diff --git a/bsp/raspberry-pi/raspi2/driver/bcm283x.h b/bsp/raspberry-pi/raspi2/driver/bcm283x.h
index 85422e2a22..8339133652 100644
--- a/bsp/raspberry-pi/raspi2/driver/bcm283x.h
+++ b/bsp/raspberry-pi/raspi2/driver/bcm283x.h
@@ -3,8 +3,8 @@
 
 #include <rthw.h>
 
-#define PER_BASE    		(0x3F000000)
-#define PER_BASE_40000000 	(0x40000000)
+#define PER_BASE            (0x3F000000)
+#define PER_BASE_40000000   (0x40000000)
 
 /*
  *  GPIO
@@ -50,17 +50,17 @@
 /*
  * ARM Timer
  */
-#define ARM_TIMER_BASE		(PER_BASE + 0xB000)
+#define ARM_TIMER_BASE      (PER_BASE + 0xB000)
 
-#define ARM_TIMER_LOAD		HWREG32(ARM_TIMER_BASE + 0x400)
-#define ARM_TIMER_VALUE		HWREG32(ARM_TIMER_BASE + 0x404)
-#define ARM_TIMER_CTRL		HWREG32(ARM_TIMER_BASE + 0x408)
-#define ARM_TIMER_IRQCLR	HWREG32(ARM_TIMER_BASE + 0x40C)
-#define ARM_TIMER_RAWIRQ	HWREG32(ARM_TIMER_BASE + 0x410)
-#define ARM_TIMER_MASKIRQ	HWREG32(ARM_TIMER_BASE + 0x414)
-#define ARM_TIMER_RELOAD	HWREG32(ARM_TIMER_BASE + 0x418)
-#define ARM_TIMER_PREDIV	HWREG32(ARM_TIMER_BASE + 0x41C)
-#define ARM_TIMER_CNTR		HWREG32(ARM_TIMER_BASE + 0x420)
+#define ARM_TIMER_LOAD      HWREG32(ARM_TIMER_BASE + 0x400)
+#define ARM_TIMER_VALUE     HWREG32(ARM_TIMER_BASE + 0x404)
+#define ARM_TIMER_CTRL      HWREG32(ARM_TIMER_BASE + 0x408)
+#define ARM_TIMER_IRQCLR    HWREG32(ARM_TIMER_BASE + 0x40C)
+#define ARM_TIMER_RAWIRQ    HWREG32(ARM_TIMER_BASE + 0x410)
+#define ARM_TIMER_MASKIRQ   HWREG32(ARM_TIMER_BASE + 0x414)
+#define ARM_TIMER_RELOAD    HWREG32(ARM_TIMER_BASE + 0x418)
+#define ARM_TIMER_PREDIV    HWREG32(ARM_TIMER_BASE + 0x41C)
+#define ARM_TIMER_CNTR      HWREG32(ARM_TIMER_BASE + 0x420)
 
 /*
  *  Core Timer
diff --git a/bsp/raspberry-pi/raspi3-32/applications/main.c b/bsp/raspberry-pi/raspi3-32/applications/main.c
index cda0e0d711..de0fe56137 100644
--- a/bsp/raspberry-pi/raspi3-32/applications/main.c
+++ b/bsp/raspberry-pi/raspi3-32/applications/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/applications/mnt.c b/bsp/raspberry-pi/raspi3-32/applications/mnt.c
index 88b714022c..44450fe9b6 100644
--- a/bsp/raspberry-pi/raspi3-32/applications/mnt.c
+++ b/bsp/raspberry-pi/raspi3-32/applications/mnt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/applications/test_device.c b/bsp/raspberry-pi/raspi3-32/applications/test_device.c
index 7efb1cfb64..ec7e480212 100644
--- a/bsp/raspberry-pi/raspi3-32/applications/test_device.c
+++ b/bsp/raspberry-pi/raspi3-32/applications/test_device.c
@@ -1,6 +1,6 @@
 /*
  * File      : test_driver.h
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -50,7 +50,7 @@ void test_hdmi()
     int i=0;
     for (; i < 20; i++)  colors[i] = COLOR_RED;
     rt_graphix_ops(hdmi) -> blit_line((char *)colors, 20, 20, 20);
-    
+
 #endif
 }
 
@@ -73,8 +73,8 @@ void test_cpusmp(void)
 {
     rt_kprintf("Hello Test SMP!\n");
 #ifdef RT_USING_SMP
-    int i;    
-    char test_name[RT_NAME_MAX]; 
+    int i;
+    char test_name[RT_NAME_MAX];
     for (i = 0; i < _CPUS_NR; i++)
     {
         rt_sprintf(test_name, "smp%d", i);
@@ -162,17 +162,17 @@ void test_i2c(void)
         rt_kprintf("can't find %s device!\n", name);
     else
     {
-    	read_regs(i2c_bus, 7, buf);
-    	buf[0] = buf[0]&0x7F; //sec
-    	buf[1] = buf[1]&0x7F; //min
-    	buf[2] = buf[2]&0x3F; //hour
-    	buf[3] = buf[3]&0x07; //week
-    	buf[4] = buf[4]&0x3F; //day
-    	buf[5] = buf[5]&0x1F; //mouth
-    	//year/month/day
-    	rt_kprintf("20%02x-%02x-%02x ",buf[6],buf[5],buf[4]);
-    	//hour:minute/second
-    	rt_kprintf("%02x:%02x:%02x \n",buf[2],buf[1],buf[0]);
+        read_regs(i2c_bus, 7, buf);
+        buf[0] = buf[0]&0x7F; //sec
+        buf[1] = buf[1]&0x7F; //min
+        buf[2] = buf[2]&0x3F; //hour
+        buf[3] = buf[3]&0x07; //week
+        buf[4] = buf[4]&0x3F; //day
+        buf[5] = buf[5]&0x1F; //mouth
+        //year/month/day
+        rt_kprintf("20%02x-%02x-%02x ",buf[6],buf[5],buf[4]);
+        //hour:minute/second
+        rt_kprintf("%02x:%02x:%02x \n",buf[2],buf[1],buf[0]);
     }
 #endif
 }
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/armv7.h b/bsp/raspberry-pi/raspi3-32/cpu/armv7.h
index 859b0371b7..a992fdebd0 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/armv7.h
+++ b/bsp/raspberry-pi/raspi3-32/cpu/armv7.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/cp15.h b/bsp/raspberry-pi/raspi3-32/cpu/cp15.h
index 14b85b7e64..d8075c84df 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/cp15.h
+++ b/bsp/raspberry-pi/raspi3-32/cpu/cp15.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -57,7 +57,7 @@ static inline void send_ipi_msg(int cpu, int ipi_vector)
 
 static inline void setup_bootstrap_addr(int cpu, int addr)
 {
-	CORE_MAILBOX3_SET(cpu) = addr;
+    CORE_MAILBOX3_SET(cpu) = addr;
 }
 
 static inline void enable_cpu_ipi_intr(int cpu)
@@ -67,7 +67,7 @@ static inline void enable_cpu_ipi_intr(int cpu)
 
 static inline void enable_cpu_timer_intr(int cpu)
 {
-	CORETIMER_INTCTL(cpu) = 0x8;
+    CORETIMER_INTCTL(cpu) = 0x8;
 }
 
 static inline void enable_cntv(void)
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/cpu.c b/bsp/raspberry-pi/raspi3-32/cpu/cpu.c
index 4d02ca35e1..b43b804597 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/cpu.c
+++ b/bsp/raspberry-pi/raspi3-32/cpu/cpu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -52,7 +52,7 @@ void rt_hw_spin_lock(rt_hw_spinlock_t *lock)
             : "r" (&lock->slock), "I" (1 << 16)
             : "cc");
 
-    while (lockval.tickets.next != lockval.tickets.owner) 
+    while (lockval.tickets.next != lockval.tickets.owner)
     {
         __WFE();
         lockval.tickets.owner = *(volatile unsigned short *)(&lock->tickets.owner);
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/interrupt.c b/bsp/raspberry-pi/raspi3-32/cpu/interrupt.c
index c9e7c17f8f..11cfdb3d25 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/interrupt.c
+++ b/bsp/raspberry-pi/raspi3-32/cpu/interrupt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -7,7 +7,7 @@
  * Date           Author       Notes
  * 2018/5/3       Bernard      first version
  * 2019-07-28     zdzn         add smp support
- * 2019-08-09     zhangjun     fixup the problem of smp startup and scheduling issues, 
+ * 2019-08-09     zhangjun     fixup the problem of smp startup and scheduling issues,
  *                             write addr to mailbox3 to startup smp, and we use mailbox0 for ipi
  */
 
@@ -163,15 +163,15 @@ void rt_hw_ipi_send(int ipi_vector, unsigned int cpu_mask)
     }
     if (cpu_mask & 0x2)
     {
-    	send_ipi_msg(1, ipi_vector);
+        send_ipi_msg(1, ipi_vector);
     }
     if (cpu_mask & 0x4)
     {
-    	send_ipi_msg(2, ipi_vector);
+        send_ipi_msg(2, ipi_vector);
     }
     if (cpu_mask & 0x8)
     {
-    	send_ipi_msg(3, ipi_vector);
+        send_ipi_msg(3, ipi_vector);
     }
     __DSB();
 }
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/mmu.c b/bsp/raspberry-pi/raspi3-32/cpu/mmu.c
index b3541d2ad4..f642dc235c 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/mmu.c
+++ b/bsp/raspberry-pi/raspi3-32/cpu/mmu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/mmu.h b/bsp/raspberry-pi/raspi3-32/cpu/mmu.h
index 6b0c25e990..6b994cac77 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/mmu.h
+++ b/bsp/raspberry-pi/raspi3-32/cpu/mmu.h
@@ -43,7 +43,7 @@
 /* normal memory mapping type */
 #define NORMAL_MEM     (SHARED | AP_RW | DOMAIN0 | MEMWBWA | DESC_SEC)
 #define STRONG_ORDER_MEM (SHARED | AP_RO | XN | DESC_SEC)
-#define BUS_ADDRESS(phys)	(((phys) & ~0xC0000000)  |  0xC0000000)
+#define BUS_ADDRESS(phys)   (((phys) & ~0xC0000000)  |  0xC0000000)
 
 void rt_hw_change_mmu_table(rt_uint32_t vaddrStart,
                       rt_uint32_t size,
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/stack.c b/bsp/raspberry-pi/raspi3-32/cpu/stack.c
index c2c60fbf49..4d20ad7879 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/stack.c
+++ b/bsp/raspberry-pi/raspi3-32/cpu/stack.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/cpu/trap.c b/bsp/raspberry-pi/raspi3-32/cpu/trap.c
index f83f183695..b9fa6bb1c5 100644
--- a/bsp/raspberry-pi/raspi3-32/cpu/trap.c
+++ b/bsp/raspberry-pi/raspi3-32/cpu/trap.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -7,7 +7,7 @@
  * Date           Author       Notes
  * 2013-07-20     Bernard      first version
  * 2019-07-28     zdzn         add smp support
- * 2019-08-09     zhangjun     fixup the problem of smp startup and scheduling issues, 
+ * 2019-08-09     zhangjun     fixup the problem of smp startup and scheduling issues,
  *                             write addr to mailbox3 to startup smp, and we use mailbox0 for ipi
  */
 
@@ -164,7 +164,7 @@ void rt_hw_trap_irq(void)
         if (mailbox_data & 0x1)
         {
             /* clear mailbox */
-            IPI_MAILBOX_CLEAR(cpu_id) = mailbox_data;    
+            IPI_MAILBOX_CLEAR(cpu_id) = mailbox_data;
             isr_func = isr_table[IRQ_ARM_MAILBOX].handler;
 #ifdef RT_USING_INTERRUPT_INFO
             isr_table[IRQ_ARM_MAILBOX].counter++;
@@ -175,7 +175,7 @@ void rt_hw_trap_irq(void)
                 isr_func(IRQ_ARM_MAILBOX, param);
             }
         }
-        else 
+        else
             CORE_MAILBOX3_CLEAR(cpu_id) = mailbox_data;
     }
 #endif
diff --git a/bsp/raspberry-pi/raspi3-32/driver/board.c b/bsp/raspberry-pi/raspi3-32/driver/board.c
index 9cd929662e..920d284c07 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/board.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/board.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/board.h b/bsp/raspberry-pi/raspi3-32/driver/board.h
index 8736027c06..bc5be3f9c8 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/board.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/board.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_fb.c b/bsp/raspberry-pi/raspi3-32/driver/drv_fb.c
index cc915351af..f004edad8c 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_fb.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_fb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -306,7 +306,7 @@ rt_err_t hdmi_fb_control(rt_device_t dev, int cmd, void *args)
     return RT_EOK;
 }
 
-const static struct rt_device_ops hdmi_fb_ops = 
+const static struct rt_device_ops hdmi_fb_ops =
 {
     RT_NULL,
     hdmi_fb_open,
@@ -368,7 +368,7 @@ static void hdmi_blit_line(const char* pixels, int x, int y, rt_size_t size)
     }
 }
 
-static struct rt_device_graphic_ops hdmi_ops = 
+static struct rt_device_graphic_ops hdmi_ops =
 {
     hdmi_set_pixel,
     hdmi_get_pixel,
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_fb.h b/bsp/raspberry-pi/raspi3-32/driver/drv_fb.h
index 4926fa3ab1..1d447aeab1 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_fb.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_fb.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -14,15 +14,15 @@
 
 #define COLOR_BLACK RGB(0, 0, 0)
 
-#define COLOR_GREEN RGB(0, 255, 0)  
- 
-#define COLOR_CYAN RGB(0, 255, 255) 
+#define COLOR_GREEN RGB(0, 255, 0)
 
-#define COLOR_RED RGB(255, 0, 0)  
+#define COLOR_CYAN RGB(0, 255, 255)
 
-#define COLOR_YELLOW RGB(255, 255, 0) 
+#define COLOR_RED RGB(255, 0, 0)
 
-#define COLOR_WHITE RGB(255, 255, 255)   
+#define COLOR_YELLOW RGB(255, 255, 0)
+
+#define COLOR_WHITE RGB(255, 255, 255)
 
 #define CONSOLE_WHITE COLOR_WHITE
 #define CONSOLE_BLACK COLOR_BLACK
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.c b/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.c
index 205d7f10aa..721643f515 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.h b/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.h
index ce0be096e8..18f95fecfd 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_gpio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.c b/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.c
index 35ab7c36d7..5d1080eadb 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.h b/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.h
index ff9e8ca724..2412631852 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_i2c.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.c b/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.c
index 147504bd16..3d7b97e8ac 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.h b/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.h
index d850defa68..1fd8453e6f 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_rtc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.c b/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.c
index 46df0372e9..4ab2e4c25b 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.c
@@ -1,6 +1,6 @@
 /*
  * File      : drv_sdio.c
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -125,7 +125,7 @@ rt_err_t sd_status(struct sdhci_pdata_t * pdat, unsigned int mask)
     else if (read32(pdat->virt + EMMC_INTERRUPT) & INT_ERROR_MASK)
     {
         return  -RT_ERROR;
-    }  
+    }
     return RT_EOK;
 }
 
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.h b/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.h
index 5c052de90a..917c002daf 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_sdio.h
@@ -1,6 +1,6 @@
 /*
  * File      : drv_sdio.h
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c b/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c
index eab7a08b39..c42d1cf013 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_spi.h b/bsp/raspberry-pi/raspi3-32/driver/drv_spi.h
index 9e4623b327..58ede93ef4 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_spi.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_spi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_timer.c b/bsp/raspberry-pi/raspi3-32/driver/drv_timer.c
index 36a4fd2baf..117026e91c 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_timer.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -27,24 +27,24 @@ static rt_err_t raspi_systimer_start(rt_hwtimer_t *hwtimer, rt_uint32_t cnt, rt_
     if (mode == HWTIMER_MODE_PERIOD)
         timer->cnt = cnt;
     else
-        timer->cnt = 0; 
+        timer->cnt = 0;
 
     __sync_synchronize();
     if (timer_id == 1)
     {
         rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_1);
         STIMER_C1 = STIMER_CLO + cnt;
-    } 
+    }
     else if (timer_id == 3)
     {
         rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_3);
         STIMER_C3 = STIMER_CLO + cnt;
     }
-    else    
+    else
         result = -RT_ERROR;
 
     __sync_synchronize();
-         
+
     return result;
 }
 
@@ -56,7 +56,7 @@ static void raspi_systimer_stop(rt_hwtimer_t *hwtimer)
         rt_hw_interrupt_mask(IRQ_SYSTEM_TIMER_1);
     else if (timer_id == 3)
         rt_hw_interrupt_mask(IRQ_SYSTEM_TIMER_3);
- 
+
 }
 
 static rt_err_t raspi_systimer_ctrl(rt_hwtimer_t *timer, rt_uint32_t cmd, void *arg)
@@ -75,7 +75,7 @@ static rt_err_t raspi_systimer_ctrl(rt_hwtimer_t *timer, rt_uint32_t cmd, void *
 
 void rt_device_systimer_isr(int vector, void *param)
 {
-    
+
     rt_hwtimer_t *hwtimer = (rt_hwtimer_t *) param;
     rt_systimer_t *timer = (rt_systimer_t *)hwtimer->parent.user_data;
     RT_ASSERT(timer != RT_NULL);
@@ -86,18 +86,18 @@ void rt_device_systimer_isr(int vector, void *param)
     if (timer_id == 1)
     {
         STIMER_CS = 0x2;
-        STIMER_C1 = STIMER_CLO + timer->cnt;               
-    }   
+        STIMER_C1 = STIMER_CLO + timer->cnt;
+    }
     else if (timer_id == 3)
     {
         STIMER_CS = 0x8;
-        STIMER_C3 = STIMER_CLO + timer->cnt;                 
+        STIMER_C3 = STIMER_CLO + timer->cnt;
     }
     __sync_synchronize();
 
     rt_device_hwtimer_isr(hwtimer);
 }
-    
+
 static struct rt_hwtimer_device _hwtimer1;
 static struct rt_hwtimer_device _hwtimer3;
 
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_timer.h b/bsp/raspberry-pi/raspi3-32/driver/drv_timer.h
index c85d4c9d1f..7fca63f6b7 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_timer.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_uart.c b/bsp/raspberry-pi/raspi3-32/driver/drv_uart.c
index 18501b7849..293570e7ab 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_uart.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -125,7 +125,7 @@ static const struct rt_uart_ops _uart_ops =
 
 static void rt_hw_uart_isr(int irqno, void *param)
 {
-    struct rt_serial_device *serial = (struct rt_serial_device*)param; 
+    struct rt_serial_device *serial = (struct rt_serial_device*)param;
     rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
 }
 
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_uart.h b/bsp/raspberry-pi/raspi3-32/driver/drv_uart.h
index 5211c19989..4f0a31bf52 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_uart.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_uart.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.c b/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.c
index ad511913cb..b748a7b472 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -129,9 +129,9 @@ int reboot(void)
     PM_RSTS = PM_PASSWORD | r;   // boot from partition 0
     PM_WDOG = PM_PASSWORD | 10;
     PM_RSTC = PM_PASSWORD | PM_RSTC_WRCFG_FULL_RESET;
-    
+
     while (1);
-    
+
     return 0;
 }
 MSH_CMD_EXPORT(reboot,reboot system...);
diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.h b/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.h
index 0b59ab79f3..ffb07ff5da 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/drv_wdt.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/mbox.c b/bsp/raspberry-pi/raspi3-32/driver/mbox.c
index bbd5183aa8..041017e471 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/mbox.c
+++ b/bsp/raspberry-pi/raspi3-32/driver/mbox.c
@@ -1,6 +1,6 @@
 /*
  * File      : mbox.c
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -41,7 +41,7 @@ int mbox_call(unsigned char ch, int mmu_enable)
         do
         {
             asm volatile("nop");
-        } 
+        }
         while (*MBOX_STATUS & MBOX_EMPTY);
         /* is it a response to our message? */
         if (r == *MBOX_READ)
diff --git a/bsp/raspberry-pi/raspi3-32/driver/mbox.h b/bsp/raspberry-pi/raspi3-32/driver/mbox.h
index 5c59fd608c..3190603e8f 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/mbox.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/mbox.h
@@ -1,6 +1,6 @@
 /*
  * File      : mbox.h
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-32/driver/raspi.h b/bsp/raspberry-pi/raspi3-32/driver/raspi.h
index 19daa3541d..fedf4bcff8 100644
--- a/bsp/raspberry-pi/raspi3-32/driver/raspi.h
+++ b/bsp/raspberry-pi/raspi3-32/driver/raspi.h
@@ -1,6 +1,6 @@
 /*
  * File      : rsapi.h
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/applications/main.c b/bsp/raspberry-pi/raspi3-64/applications/main.c
index 397f40126b..bd7c917e64 100644
--- a/bsp/raspberry-pi/raspi3-64/applications/main.c
+++ b/bsp/raspberry-pi/raspi3-64/applications/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -16,10 +16,10 @@
 void set_led(int state) //set state LED nyala atau mati
 {
     if (state==1)                       //LED nyala
-    { 
+    {
         mbox[0] = 8*4;                  // length of the message
         mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
         mbox[2] = 0x00038041;   // get serial number command
         mbox[3] = 8;                    // buffer size
         mbox[4] = 0;
@@ -29,10 +29,10 @@ void set_led(int state) //set state LED nyala atau mati
         mbox_call(8, MMU_DISABLE);
     }
     else if (state==0)                  //LED mati
-    { 
+    {
         mbox[0] = 8*4;                  // length of the message
         mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
         mbox[2] = 0x00038041;   // get serial number command
         mbox[3] = 8;                    // buffer size
         mbox[4] = 0;
diff --git a/bsp/raspberry-pi/raspi3-64/applications/mnt.c b/bsp/raspberry-pi/raspi3-64/applications/mnt.c
index 33b466434c..01e97b325b 100644
--- a/bsp/raspberry-pi/raspi3-64/applications/mnt.c
+++ b/bsp/raspberry-pi/raspi3-64/applications/mnt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/board.c b/bsp/raspberry-pi/raspi3-64/driver/board.c
index 5d15dda987..531a0a0dfa 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/board.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/board.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -62,7 +62,7 @@ void rt_hw_timer_init(void)
     timerStep = rt_hw_get_gtimer_frq();
     __DSB();
     timerStep /= RT_TICK_PER_SECOND;
-    
+
     rt_hw_gtimer_enable();
     rt_hw_set_gtimer_val(timerStep);
     core0_timer_enable_interrupt_controller();
@@ -90,7 +90,7 @@ void idle_wfi(void)
 }
 
 /**
- *  Initialize the Hardware related stuffs. Called from rtthread_startup() 
+ *  Initialize the Hardware related stuffs. Called from rtthread_startup()
  *  after interrupt disabled.
  */
 void rt_hw_board_init(void)
@@ -105,7 +105,7 @@ void rt_hw_board_init(void)
     armv8_map(0x3f804000, 0x3f804000, 0x1000, MEM_ATTR_IO);//i2c0
     armv8_map(0x3f205000, 0x3f205000, 0x1000, MEM_ATTR_IO);//i2c1
     mmu_enable();
-    
+
     /* initialize hardware interrupt */
     rt_hw_interrupt_init(); // in libcpu/interrupt.c. Set some data structures, no operation on device
     rt_hw_vector_init();    // in libcpu/interrupt.c. == rt_cpu_vector_set_base((rt_ubase_t)&system_vectors);
diff --git a/bsp/raspberry-pi/raspi3-64/driver/board.h b/bsp/raspberry-pi/raspi3-64/driver/board.h
index b44c245a17..6b51f0408e 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/board.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/board.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c b/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c
index cabaded5fd..204fa0c868 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -116,7 +116,7 @@ rt_err_t hdmi_fb_control(rt_device_t dev, int cmd, void *args)
     return RT_EOK;
 }
 
-const static struct rt_device_ops hdmi_fb_ops = 
+const static struct rt_device_ops hdmi_fb_ops =
 {
     RT_NULL,
     hdmi_fb_open,
@@ -157,7 +157,7 @@ rt_uint32_t bcm283x_mbox_fb_get_gpiovirt(void)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_GET_GPIOVIRT;
     mbox[3] = 4;                        // buffer size
     mbox[4] = 0;                        // len
@@ -174,7 +174,7 @@ rt_uint32_t bcm283x_mbox_fb_get_pitch(void)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_GET_PITCH;
     mbox[3] = 4;                    // buffer size
     mbox[4] = 0;                    // len
@@ -191,7 +191,7 @@ void bcm283x_mbox_fb_set_porder(int rgb)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_SET_PIXEL_ORDER;
     mbox[3] = 4;                        // buffer size
     mbox[4] = 4;                        // len
@@ -207,7 +207,7 @@ void bcm283x_mbox_fb_setoffset(int xoffset, int yoffset)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_SET_VIRT_OFFSET;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
@@ -225,7 +225,7 @@ void bcm283x_mbox_fb_setalpha(int alpha)
 
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_SET_ALPHA_MODE;
     mbox[3] = 4;                        // buffer size
     mbox[4] = 4;                        // len
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_fb.h b/bsp/raspberry-pi/raspi3-64/driver/drv_fb.h
index 9fdac754cd..1074dc79c7 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_fb.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_fb.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.c b/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.c
index 0cd6abb84e..04b5cdf162 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.h b/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.h
index f51817b035..009f4e3edc 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_gpio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.c b/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.c
index ce0fd7ae74..b7c6067ae4 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -130,7 +130,7 @@ static rt_size_t raspi_i2c_mst_xfer(struct rt_i2c_bus_device *bus,
     volatile rt_base_t base = (volatile rt_base_t)(bus->parent.user_data);
 
     if (bus->addr == 0)
-        base = BCM283X_BSC0_BASE; 
+        base = BCM283X_BSC0_BASE;
     else
         base = BCM283X_BSC1_BASE;
 
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.h b/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.h
index 9b652b746f..2412631852 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_i2c.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.c b/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.c
index 18fd6474a2..5d43c39073 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.h b/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.h
index 82306068ca..4af28efa17 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_rtc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.c b/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.c
index 785f335ebb..a46115804a 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.c
@@ -1,6 +1,6 @@
 /*
  * File      : drv_sdio.c
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -128,7 +128,7 @@ rt_err_t sd_status(struct sdhci_pdata_t * pdat, unsigned int mask)
     else if (read32(pdat->virt + EMMC_INTERRUPT) & INT_ERROR_MASK)
     {
         return  -RT_ERROR;
-    } 
+    }
 
     return RT_EOK;
 }
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.h b/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.h
index 5c052de90a..917c002daf 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_sdio.h
@@ -1,6 +1,6 @@
 /*
  * File      : drv_sdio.h
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_spi.c b/bsp/raspberry-pi/raspi3-64/driver/drv_spi.c
index 0b0c8881a8..4c63fe9aae 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_spi.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_spi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_spi.h b/bsp/raspberry-pi/raspi3-64/driver/drv_spi.h
index 9e4623b327..58ede93ef4 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_spi.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_spi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_timer.c b/bsp/raspberry-pi/raspi3-64/driver/drv_timer.c
index 00b31897d8..a8cb5149d4 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_timer.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -29,24 +29,24 @@ static rt_err_t raspi_systimer_start(rt_hwtimer_t *hwtimer, rt_uint32_t cnt, rt_
     if (mode == HWTIMER_MODE_PERIOD)
         timer->cnt = cnt;
     else
-        timer->cnt = 0; 
+        timer->cnt = 0;
 
     __sync_synchronize();
     if (timer_id == 1)
     {
         rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_1);
         STIMER_C1 = STIMER_CLO + cnt;
-    } 
+    }
     else if (timer_id == 3)
     {
         rt_hw_interrupt_umask(IRQ_SYSTEM_TIMER_3);
         STIMER_C3 = STIMER_CLO + cnt;
     }
-    else    
+    else
         result = -RT_ERROR;
 
     __sync_synchronize();
-         
+
     return result;
 }
 
@@ -58,7 +58,7 @@ static void raspi_systimer_stop(rt_hwtimer_t *hwtimer)
         rt_hw_interrupt_mask(IRQ_SYSTEM_TIMER_1);
     else if (timer_id == 3)
         rt_hw_interrupt_mask(IRQ_SYSTEM_TIMER_3);
- 
+
 }
 
 static rt_err_t raspi_systimer_ctrl(rt_hwtimer_t *timer, rt_uint32_t cmd, void *arg)
@@ -77,7 +77,7 @@ static rt_err_t raspi_systimer_ctrl(rt_hwtimer_t *timer, rt_uint32_t cmd, void *
 
 void rt_device_systimer_isr(int vector, void *param)
 {
-    
+
     rt_hwtimer_t *hwtimer = (rt_hwtimer_t *) param;
     rt_systimer_t *timer = (rt_systimer_t *)hwtimer->parent.user_data;
     RT_ASSERT(timer != RT_NULL);
@@ -88,12 +88,12 @@ void rt_device_systimer_isr(int vector, void *param)
     if (timer_id == 1)
     {
         STIMER_CS = 0x2;
-        STIMER_C1 = STIMER_CLO + timer->cnt;               
-    }   
+        STIMER_C1 = STIMER_CLO + timer->cnt;
+    }
     else if (timer_id == 3)
     {
         STIMER_CS = 0x8;
-        STIMER_C3 = STIMER_CLO + timer->cnt;                 
+        STIMER_C3 = STIMER_CLO + timer->cnt;
     }
     __sync_synchronize();
 
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_timer.h b/bsp/raspberry-pi/raspi3-64/driver/drv_timer.h
index c18e3d893c..ebe5536fa5 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_timer.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_uart.c b/bsp/raspberry-pi/raspi3-64/driver/drv_uart.c
index 62fcb966b4..6eb7a46f10 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_uart.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -124,7 +124,7 @@ static const struct rt_uart_ops _uart_ops =
 
 static void rt_hw_uart_isr(int irqno, void *param)
 {
-    struct rt_serial_device *serial = (struct rt_serial_device*)param; 
+    struct rt_serial_device *serial = (struct rt_serial_device*)param;
     rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
 }
 
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_uart.h b/bsp/raspberry-pi/raspi3-64/driver/drv_uart.h
index 894c6098db..76072f938e 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_uart.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_uart.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.c b/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.c
index 245f4df197..f90a251ad0 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -130,9 +130,9 @@ int reboot(void)
     PM_RSTS = PM_PASSWORD | r;   // boot from partition 0
     PM_WDOG = PM_PASSWORD | 10;
     PM_RSTC = PM_PASSWORD | PM_RSTC_WRCFG_FULL_RESET;
-    
+
     while (1);
-    
+
     return 0;
 }
 MSH_CMD_EXPORT(reboot,reboot system...);
diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.h b/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.h
index 0b59ab79f3..ffb07ff5da 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/drv_wdt.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi3-64/driver/mbox.c b/bsp/raspberry-pi/raspi3-64/driver/mbox.c
index dc09ecab4b..fbfc456b4d 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/mbox.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/mbox.c
@@ -1,6 +1,6 @@
 /*
  * File      : mbox.c
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -41,7 +41,7 @@ int mbox_call(unsigned char ch, int mmu_enable)
         /* is it a response to our message? */
         if (r == *MBOX_READ){
             /* is it a valid successful response? */
-        //	rt_kprintf("mbox: %x, %x, %x, %x, %x, %x, %x, %x\n", mbox[0], mbox[1], mbox[2], mbox[3], mbox[4], mbox[5], mbox[6], mbox[7]);
+        //  rt_kprintf("mbox: %x, %x, %x, %x, %x, %x, %x, %x\n", mbox[0], mbox[1], mbox[2], mbox[3], mbox[4], mbox[5], mbox[6], mbox[7]);
             return mbox[1] == MBOX_RESPONSE;
         }
     }
@@ -52,12 +52,12 @@ int bcm283x_mbox_hardware_get_model(void)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
+
     mbox[2] = MBOX_TAG_HARDWARE_GET_MODEL;
     mbox[3] = 4;                            // buffer size
     mbox[4] = 0;                            // len
 
-    mbox[5] = 0;                            
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -70,12 +70,12 @@ int bcm283x_mbox_hardware_get_revison(void)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_REV;   
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_REV;
     mbox[3] = 4;                            // buffer size
     mbox[4] = 0;                            // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -88,12 +88,12 @@ int bcm283x_mbox_hardware_get_mac_address(uint8_t * mac)
 {
     mbox[0] = 8*4;                                 // length of the message
     mbox[1] = MBOX_REQUEST;                        // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_MAC_ADDRESS;   
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_MAC_ADDRESS;
     mbox[3] = 6;                                   // buffer size
     mbox[4] = 0;                                   // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -114,12 +114,12 @@ int bcm283x_mbox_hardware_get_serial(rt_uint64_t* sn)
 {
     mbox[0] = 8*4;                              // length of the message
     mbox[1] = MBOX_REQUEST;                     // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_SERIAL;    
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_SERIAL;
     mbox[3] = 8;                                // buffer size
     mbox[4] = 0;                                // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -134,12 +134,12 @@ int bcm283x_mbox_hardware_get_arm_memory(rt_uint32_t * base, rt_uint32_t * size)
 {
     mbox[0] = 8*4;                                  // length of the message
     mbox[1] = MBOX_REQUEST;                         // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_ARM_MEMORY;   
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_ARM_MEMORY;
     mbox[3] = 8;                                    // buffer size
     mbox[4] = 0;                                    // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -147,7 +147,7 @@ int bcm283x_mbox_hardware_get_arm_memory(rt_uint32_t * base, rt_uint32_t * size)
 
     *base = mbox[5];
     *size = mbox[6];
-    
+
     return 0;
 
 }
@@ -156,12 +156,12 @@ int bcm283x_mbox_hardware_get_vc_memory(rt_uint32_t * base, rt_uint32_t * size)
 {
     mbox[0] = 8*4;                               // length of the message
     mbox[1] = MBOX_REQUEST;                      // this is a request message
-    
+
     mbox[2] = MBOX_TAG_HARDWARE_GET_VC_MEMORY;
     mbox[3] = 8;                                 // buffer size
     mbox[4] = 0;                                 // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -169,7 +169,7 @@ int bcm283x_mbox_hardware_get_vc_memory(rt_uint32_t * base, rt_uint32_t * size)
 
     *base = mbox[5];
     *size = mbox[6];
-    
+
     return 0;
 }
 
@@ -177,8 +177,8 @@ int bcm283x_mbox_clock_get_turbo(void)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_GET_TURBO; 
+
+    mbox[2] = MBOX_TAG_CLOCK_GET_TURBO;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 4;                        // len
 
@@ -200,8 +200,8 @@ int bcm283x_mbox_clock_set_turbo(int level)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_SET_TURBO;  
+
+    mbox[2] = MBOX_TAG_CLOCK_SET_TURBO;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
 
@@ -223,7 +223,7 @@ int bcm283x_mbox_clock_get_state(int id)
 {
     mbox[0] = 8*4;                       // length of the message
     mbox[1] = MBOX_REQUEST;              // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_GET_STATE;
     mbox[3] = 8;                         // buffer size
     mbox[4] = 4;                         // len
@@ -246,7 +246,7 @@ int bcm283x_mbox_clock_set_state(int id, int state)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_SET_STATE;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
@@ -269,8 +269,8 @@ int bcm283x_mbox_clock_get_rate(int id)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_GET_RATE; 
+
+    mbox[2] = MBOX_TAG_CLOCK_GET_RATE;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 4;                        // len
 
@@ -292,7 +292,7 @@ int bcm283x_mbox_clock_set_rate(int id, int rate)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_SET_RATE;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
@@ -315,7 +315,7 @@ int bcm283x_mbox_clock_get_max_rate(int id)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_GET_MAX_RATE;
     mbox[3] = 8;                            // buffer size
     mbox[4] = 4;                            // len
@@ -338,8 +338,8 @@ int bcm283x_mbox_clock_get_min_rate(int id)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_GET_MIN_RATE; 
+
+    mbox[2] = MBOX_TAG_CLOCK_GET_MIN_RATE;
     mbox[3] = 8;                            // buffer size
     mbox[4] = 4;                            // len
 
@@ -361,7 +361,7 @@ int bcm283x_mbox_power_get_state(int id)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_POWER_GET_STATE;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 4;                    // len
@@ -384,7 +384,7 @@ int bcm283x_mbox_power_set_state(int id, int state)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_POWER_SET_STATE;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 8;                    // len
@@ -407,7 +407,7 @@ int bcm283x_mbox_temp_get(void)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_TEMP_GET;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 4;                    // len
@@ -430,7 +430,7 @@ int bcm283x_mbox_temp_get_max(void)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_TEMP_GET_MAX;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 4;                    // len
diff --git a/bsp/raspberry-pi/raspi3-64/driver/mbox.h b/bsp/raspberry-pi/raspi3-64/driver/mbox.h
index f235691d7b..b7aa2e95c9 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/mbox.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/mbox.h
@@ -1,6 +1,6 @@
 /*
  * File      : mbox.h
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -32,7 +32,7 @@ extern volatile unsigned int* mbox;
 /* tags */
 #define MBOX_TAG_SETPOWER       0x28001
 #define MBOX_TAG_SETCLKRATE     0x38002
-#define MBOX_GET_MAC_ADDRESS	0x10003
+#define MBOX_GET_MAC_ADDRESS    0x10003
 #define MBOX_TAG_LAST           0
 
 #define MMIO_BASE       0x3F000000
@@ -47,12 +47,12 @@ extern volatile unsigned int* mbox;
 #define MBOX_FULL       0x80000000
 #define MBOX_EMPTY      0x40000000
 
-#define DEVICE_ID_SD_CARD	0
-#define DEVICE_ID_USB_HCD	3
-#define POWER_STATE_OFF		(0 << 0)
-#define POWER_STATE_ON		(1 << 0)
-#define POWER_STATE_WAIT	(1 << 1)
-#define POWER_STATE_NO_DEVICE	(1 << 1)	// in response
+#define DEVICE_ID_SD_CARD   0
+#define DEVICE_ID_USB_HCD   3
+#define POWER_STATE_OFF     (0 << 0)
+#define POWER_STATE_ON      (1 << 0)
+#define POWER_STATE_WAIT    (1 << 1)
+#define POWER_STATE_NO_DEVICE   (1 << 1)    // in response
 #define MMU_ENABLE 1
 #define MMU_DISABLE 0
 
diff --git a/bsp/raspberry-pi/raspi3-64/driver/raspi.h b/bsp/raspberry-pi/raspi3-64/driver/raspi.h
index 9a5de2af02..a24640d07d 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/raspi.h
+++ b/bsp/raspberry-pi/raspi3-64/driver/raspi.h
@@ -1,6 +1,6 @@
 /*
  * File      : rsapi.h
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/applications/main.c b/bsp/raspberry-pi/raspi4-32/applications/main.c
index 15dc74dc58..f2248e1660 100644
--- a/bsp/raspberry-pi/raspi4-32/applications/main.c
+++ b/bsp/raspberry-pi/raspi4-32/applications/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -17,7 +17,7 @@
 int main(int argc, char** argv)
 {
     rt_kprintf("Hi, this is RT-Thread!!\n");
-    
+
     rt_pin_mode(ACTLED, PIN_MODE_OUTPUT);
 
     while(1)
diff --git a/bsp/raspberry-pi/raspi4-32/applications/mnt.c b/bsp/raspberry-pi/raspi4-32/applications/mnt.c
index ae224e8e89..ea67a4a46a 100644
--- a/bsp/raspberry-pi/raspi4-32/applications/mnt.c
+++ b/bsp/raspberry-pi/raspi4-32/applications/mnt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/board.c b/bsp/raspberry-pi/raspi4-32/driver/board.c
index 455bd28ee2..c9571316d1 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/board.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/board.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -22,7 +22,7 @@ struct mem_desc platform_mem_desc[] = {
     {0x0, 0x6400000, 0x0, NORMAL_MEM},
     {0x8000000, 0x8800000, 0x8000000, DEVICE_MEM},    //mbox msg
     {0x0E000000, 0x0EE00000, 0x0E000000, DEVICE_MEM}, //framebuffer
-    {0x0F400000, 0x0FA00000, 0x0F400000, DEVICE_MEM}, //dsi_touch 
+    {0x0F400000, 0x0FA00000, 0x0F400000, DEVICE_MEM}, //dsi_touch
     {0xFD500000, 0xFDA00000, 0xFD500000, DEVICE_MEM}, //gmac
     {0xFE000000, 0xFF000000, 0xFE000000, DEVICE_MEM}, //peripheral
     {0xFF800000, 0xFFA00000, 0xFF800000, DEVICE_MEM}  //gic
@@ -65,7 +65,7 @@ void idle_wfi(void)
 }
 
 /**
- *  Initialize the Hardware related stuffs. Called from rtthread_startup() 
+ *  Initialize the Hardware related stuffs. Called from rtthread_startup()
  *  after interrupt disabled.
  */
 void rt_hw_board_init(void)
diff --git a/bsp/raspberry-pi/raspi4-32/driver/board.h b/bsp/raspberry-pi/raspi4-32/driver/board.h
index d675cc658e..29019514b9 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/board.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/board.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.c b/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.c
index 6b839f5e23..cdf809cc77 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.h b/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.h
index 9de47bf191..0e7453ca3d 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_bluetooth.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_dma.c b/bsp/raspberry-pi/raspi4-32/driver/drv_dma.c
index 4ec94896c1..a258dd41e4 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_dma.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_dma.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_dma.h b/bsp/raspberry-pi/raspi4-32/driver/drv_dma.h
index 1b79eb1c95..83fbcbdd0e 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_dma.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_dma.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c b/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c
index a2f78ffd61..58683b422d 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c
@@ -1,6 +1,6 @@
 
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -670,7 +670,7 @@ struct pbuf *rt_eth_rx(rt_device_t device)
 int rt_hw_eth_init(void)
 {
     rt_uint8_t mac_addr[6];
-    
+
     rt_sem_init(&sem_lock, "eth_lock", 1, RT_IPC_FLAG_FIFO);
     rt_sem_init(&link_ack, "link_ack", 0, RT_IPC_FLAG_FIFO);
 
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_eth.h b/bsp/raspberry-pi/raspi4-32/driver/drv_eth.h
index f7916ee5e1..39bfc87913 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_eth.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_eth.h
@@ -1,6 +1,6 @@
 
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c
index b2d2ed79c4..7a3d2604a1 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -102,7 +102,7 @@ static void gpio_set_pud(GPIO_PIN pin, GPIO_PUPD_FUNC mode)
     case 3:
         reg_value = GPIO_PUP_PDN_CNTRL_REG3(GPIO_BASE);
         GPIO_PUP_PDN_CNTRL_REG3(GPIO_BASE) = (reg_value | (mode << (fselrest*2)));
-        break;    
+        break;
     default:
         break;
     }
@@ -194,7 +194,7 @@ static int raspi_pin_read(struct rt_device *device, rt_base_t pin)
         else
         {
             pin_level = 0;
-        }  
+        }
 
     }
     else
@@ -422,7 +422,7 @@ int rt_hw_gpio_init(void)
 
     GPIO_REG_GPAFEN0(GPIO_BASE) = 0x0;
     GPIO_REG_GPAFEN0(GPIO_BASE) = 0x0;
-    
+
     rt_hw_interrupt_install(IRQ_GPIO0, gpio_irq_handler, &_g_gpio_irq_tbl[0], "gpio0_irq");
     rt_hw_interrupt_umask(IRQ_GPIO0);
 
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h
index 7594759f97..78c1709965 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.c b/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.c
index f596eccc89..3a7503a04d 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -16,7 +16,7 @@
 /*
 * (3.3v)          -1   2-
 * (SDA1/SDA3)     -3   4-
-* (SCL1/SCL3)     -5   6-  
+* (SCL1/SCL3)     -5   6-
 * (SDA3)          -7   8-
 *                 -9  10-
 *                 -11 12-
@@ -268,7 +268,7 @@ static struct raspi_i2c_hw_config hw_device4 =
     .scl_pin = GPIO_PIN_7,
 #else
     .sda_pin = GPIO_PIN_8,
-    .scl_pin = GPIO_PIN_9, 
+    .scl_pin = GPIO_PIN_9,
 #endif
     .sda_mode = ALT5,
     .scl_mode = ALT5,
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.h b/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.h
index e02c8887f0..bfb724ad93 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_i2c.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.c b/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.c
index 4d88668eee..d0f63cfce0 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -128,7 +128,7 @@ rt_err_t sd_status(struct sdhci_pdata_t * pdat, unsigned int mask)
     else if (read32(pdat->virt + EMMC_INTERRUPT) & INT_ERROR_MASK)
     {
         return  -RT_ERROR;
-    } 
+    }
 
     return RT_EOK;
 }
@@ -450,7 +450,7 @@ static rt_err_t sdhci_setclock(struct sdhci_t * sdhci, rt_uint32_t clock)
     sdHostVer = (temp & HOST_SPEC_NUM) >> HOST_SPEC_NUM_SHIFT;
     int cdiv = sd_get_clock_divider(sdHostVer, mmc_base_clock, clock);
     temp = read32((pdat->virt + EMMC_CONTROL1));
-    temp |= 1;    
+    temp |= 1;
     temp |= cdiv;
     temp |= (7 << 16);
 
@@ -639,7 +639,7 @@ int raspi_sdmmc_init(void)
 #endif
     mmcsd_change(host);
 #endif
-    return RT_EOK;   
+    return RT_EOK;
 err:
     if (host)  rt_free(host);
     if (sdhci) rt_free(sdhci);
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.h b/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.h
index 5919bd64d3..0481a82e6d 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_sdio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -85,7 +85,7 @@ struct sdhci_t
     rt_uint32_t width;
     rt_uint32_t clock;
     rt_err_t removeable;
-    void * sdcard; 
+    void * sdcard;
 
     rt_err_t (*detect)(struct sdhci_t * sdhci);
     rt_err_t (*setwidth)(struct sdhci_t * sdhci, rt_uint32_t width);
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_spi.c b/bsp/raspberry-pi/raspi4-32/driver/drv_spi.c
index f0c6351d7f..9c188a8fa9 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_spi.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_spi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -98,11 +98,11 @@ static rt_err_t raspi_spi_configure(struct rt_spi_device *device, struct rt_spi_
 
     if(cfg->mode & RT_SPI_CS_HIGH)
     {
-        SPI_REG_CS(hwcfg->hw_base) |= SPI_CS_CSPOL_HIGH;   
+        SPI_REG_CS(hwcfg->hw_base) |= SPI_CS_CSPOL_HIGH;
     }
     else
     {
-        SPI_REG_CS(hwcfg->hw_base) &= ~SPI_CS_CSPOL_HIGH;   
+        SPI_REG_CS(hwcfg->hw_base) &= ~SPI_CS_CSPOL_HIGH;
     }
     return RT_EOK;
 }
@@ -157,7 +157,7 @@ static rt_uint32_t raspi_spi_xfer(struct rt_spi_device *device, struct rt_spi_me
     if (config.mode & RT_SPI_MSB)
     {
         flag = 1;
-    }   
+    }
     else
     {
         flag = 0;
@@ -172,7 +172,7 @@ static rt_uint32_t raspi_spi_xfer(struct rt_spi_device *device, struct rt_spi_me
     {
         SPI_REG_CLK(hwcfg->hw_base) = (RPI_CORE_CLK_HZ / (config.max_hz));
     }
-    
+
     //cs_pin spi0.0
     if(cs_pin == GPIO_PIN_8)
     {
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_spi.h b/bsp/raspberry-pi/raspi4-32/driver/drv_spi.h
index 9cd8e031e4..8fa8baabe0 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_spi.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_spi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -70,7 +70,7 @@ struct raspi_spi_hw_config
     GPIO_FUNC  ce2_mode;
 #endif
     rt_ubase_t hw_base;
-    
+
 };
 
 struct raspi_spi_device
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c
index 34b9e1d945..1a3100c745 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -211,7 +211,7 @@ static const struct rt_uart_ops _uart_ops =
 #ifdef RT_USING_UART1
 static void rt_hw_aux_uart_isr(int irqno, void *param)
 {
-    struct rt_serial_device *serial = (struct rt_serial_device*)param; 
+    struct rt_serial_device *serial = (struct rt_serial_device*)param;
     rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
 }
 #endif
@@ -220,7 +220,7 @@ static void rt_hw_uart_isr(int irqno, void *param)
 {
 #ifdef RT_USING_UART0
     if((PACTL_CS & IRQ_UART0) == IRQ_UART0)
-    {   
+    {
         PACTL_CS &=  ~(IRQ_UART0);
         rt_hw_serial_isr(&_serial0, RT_SERIAL_EVENT_RX_IND);
         PL011_REG_ICR(UART0_BASE) = PL011_INTERRUPT_RECEIVE;
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h
index d57f4e52f4..b2a4552872 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_uart.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.c b/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.c
index 3c091354bb..a9b2e8fc0c 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -128,7 +128,7 @@ void reboot(void)
     PM_RSTS |= (PM_PASSWORD | r);   // boot from partition 0
     PM_WDOG |= (PM_PASSWORD | 0x0A);
     PM_RSTC |= (PM_PASSWORD | PM_RSTC_WRCFG_FULL_RESET);
-    
+
     while (1);
 }
 MSH_CMD_EXPORT(reboot,reboot system...);
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.h b/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.h
index 4c9454ed91..6998792e0d 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_wdt.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.c b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.c
index 955e55bcf5..175c6cd907 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -123,7 +123,7 @@ rt_err_t hdmi_fb_control(rt_device_t dev, int cmd, void *args)
 }
 
 #ifdef RT_USING_DEVICE_OPS
-const static struct rt_device_ops hdmi_fb_ops = 
+const static struct rt_device_ops hdmi_fb_ops =
 {
     RT_NULL,
     hdmi_fb_open,
@@ -165,7 +165,7 @@ rt_uint32_t bcm271x_mbox_fb_get_gpiovirt(void)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_GET_GPIOVIRT;
     mbox[3] = 4;                        // buffer size
     mbox[4] = 0;                        // len
@@ -182,7 +182,7 @@ rt_uint32_t bcm271x_mbox_fb_get_pitch(void)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_GET_PITCH;
     mbox[3] = 4;                    // buffer size
     mbox[4] = 0;                    // len
@@ -199,7 +199,7 @@ void bcm271x_mbox_fb_set_porder(int rgb)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_SET_PIXEL_ORDER;
     mbox[3] = 4;                        // buffer size
     mbox[4] = 4;                        // len
@@ -215,7 +215,7 @@ void bcm271x_mbox_fb_setoffset(int xoffset, int yoffset)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_SET_VIRT_OFFSET;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
@@ -233,7 +233,7 @@ void bcm271x_mbox_fb_setalpha(int alpha)
 
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_FB_SET_ALPHA_MODE;
     mbox[3] = 4;                        // buffer size
     mbox[4] = 4;                        // len
diff --git a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.h b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.h
index c9a06358d0..b9901e204b 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_hdmi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.c b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.c
index c2317bd112..7db4940c97 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -89,7 +89,7 @@ void lcd_write_data(rt_uint8_t data)
 }
 
 /*Ser rotation of the screen - changes x0 and y0*/
-static inline void lcd_set_rotation(uint8_t rotation) 
+static inline void lcd_set_rotation(uint8_t rotation)
 {
     writeCommand(lcd_dev, 0x36);
     rt_thread_mdelay(100);
@@ -134,7 +134,7 @@ static inline void lcd_set_rotation(uint8_t rotation)
         lcd_write_data(0x01);
         lcd_write_data(0xE0);
     }
-    
+
     if((rotation == SCREEN_HORIZONTAL_1) || (rotation == SCREEN_HORIZONTAL_2))
     {
         lcd_write_commmand(0x2B);
@@ -177,7 +177,7 @@ static inline void fast_send_data(void)
     rt_sem_release(&lcd_spi_lock);
 }
 
-static inline void lcd_show(void) 
+static inline void lcd_show(void)
 {
 
     lcd_write_commmand(0x2C); // Memory write?
@@ -188,11 +188,11 @@ static inline void lcd_show(void)
     fast_send_data();
 #else
     int i, j;
-    for (i = 0 ; i < 30  ; i ++) 
+    for (i = 0 ; i < 30  ; i ++)
     {
         uint16_t *tx_data = (uint16_t*)&send_buffer[5120* i];
         int32_t data_sz = 5120;
-        for( j=0; j<data_sz; j++)  
+        for( j=0; j<data_sz; j++)
         {
             writeData16(tx_data[j]);
         }
@@ -331,7 +331,7 @@ rt_err_t ili9486_control(rt_device_t dev, int cmd, void *args)
 }
 
 #ifdef RT_USING_DEVICE_OPS
-const static struct rt_device_ops ili9486_ops = 
+const static struct rt_device_ops ili9486_ops =
 {
     RT_NULL,
     ili9486_open,
diff --git a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.h b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.h
index b9f2658d0f..7b5a1b087a 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/lcd/drv_ili9486.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.c b/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.c
index b362f80c05..0904a8de79 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.c
@@ -1,6 +1,6 @@
 
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -55,7 +55,7 @@ static void newline(fb_t* fb)
 
         if(fb->depth >= 3)
         {
-            uint32_t *addr_32bit = (uint32_t*) (fb->vaddr) + (fb->height - CHAR_H) * fb->width;        
+            uint32_t *addr_32bit = (uint32_t*) (fb->vaddr) + (fb->height - CHAR_H) * fb->width;
 
             for (i = 0; i < (CHAR_H * fb->width); i++)
             {
@@ -64,7 +64,7 @@ static void newline(fb_t* fb)
         }
         else
         {
-            uint16_t *addr_16bit = (uint16_t*) (fb->vaddr) + (fb->height - CHAR_H) * fb->width;        
+            uint16_t *addr_16bit = (uint16_t*) (fb->vaddr) + (fb->height - CHAR_H) * fb->width;
 
             for (i = 0; i < (CHAR_H * fb->width); i++)
             {
@@ -107,7 +107,7 @@ static void fb_draw_char(fb_t *fb, char s)
             {
                 *((unsigned short*) (addr + line)) = ((int) *(glyph + ((i)/8)) * 1) & mask ? fb->fore : fb->back;
             }
-            
+
             mask >>= 1;
             if(mask == 0)
             {
@@ -170,12 +170,12 @@ void fb_print(char *s)
     {
         rt_device_control(console_dev,RTGRAPHIC_CTRL_RECT_UPDATE, RT_NULL);
     }
-#endif 
+#endif
 }
 
 #ifndef LCD_CONSOLE_FLUSH_NOW
 void lcd_console_task_entry(void *param)
-{   
+{
     fb_t *fb = (fb_t *)param;
     while (1)
     {
@@ -186,7 +186,7 @@ void lcd_console_task_entry(void *param)
         }
         rt_thread_mdelay(LCD_CONSOLE_DELAY);
     }
-    
+
 }
 #endif
 
@@ -199,7 +199,7 @@ int lcd_console_init(void)
         rt_kprintf("no console dev!\n");
         return 0;
     }
-    
+
     if(console_dev->ref_count >= 1)
     {
         rt_kprintf("lcd console has open!\n");
@@ -209,7 +209,7 @@ int lcd_console_init(void)
     rt_device_open(console_dev,RT_DEVICE_OFLAG_RDWR);
 
     rt_device_control(console_dev, RTGRAPHIC_CTRL_GET_INFO, &info);
-        
+
     virt_buffer = (rt_uint8_t* )rt_malloc(info.width * info.height * (info.bits_per_pixel/8));
     rt_memset(virt_buffer, 0 , info.width * info.height * (info.bits_per_pixel/8));
     console_fb.width = info.width;
@@ -246,7 +246,7 @@ int lcd_console_init(void)
     * #ifdef USING_LCD_CONSOLE
     *     fb_print((char*)rt_log_buf);
     * #endif
-    * 
+    *
     * remove rt_console_set_device(CONSOLE_NAME);
     */
     rt_console_set_device(CONSOLE_NAME);
diff --git a/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.h b/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.h
index ebe6afa068..2bc7a1ceb1 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_console.h
@@ -1,6 +1,6 @@
 
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -15,10 +15,10 @@
 
 #define RGB(r, g, b) ((((r))<<16) | (((g))<<8) | ((b)))
 #define COLOR_BLACK RGB(0, 0, 0)
-#define COLOR_GREEN RGB(0, 255, 0)  
-#define COLOR_CYAN RGB(0, 255, 255) 
-#define COLOR_RED RGB(255, 0, 0)  
-#define COLOR_YELLOW RGB(255, 255, 0) 
+#define COLOR_GREEN RGB(0, 255, 0)
+#define COLOR_CYAN RGB(0, 255, 255)
+#define COLOR_RED RGB(255, 0, 0)
+#define COLOR_YELLOW RGB(255, 255, 0)
 #define COLOR_WHITE RGB(255, 255, 255)
 
 #define CONSOLE_WHITE_32 COLOR_WHITE
diff --git a/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_font_20.h b/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_font_20.h
index 7ef56d7e3c..55610713d9 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_font_20.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/lcd/lcd_font_20.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/mbox.c b/bsp/raspberry-pi/raspi4-32/driver/mbox.c
index 0f993f945a..ecb357c82d 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/mbox.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/mbox.c
@@ -1,6 +1,6 @@
 /*
  * File      : mbox.c
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -15,7 +15,7 @@
 #include "mmu.h"
 //volatile unsigned int  __attribute__((aligned(16))) mbox[36];
 volatile unsigned int *mbox = (volatile unsigned int *) MBOX_ADDR;
-#define BUS_ADDRESS(phys)	(((phys) & ~0xC0000000)  |  0xC0000000)
+#define BUS_ADDRESS(phys)   (((phys) & ~0xC0000000)  |  0xC0000000)
 
 /**
  * Make a mailbox call. Returns 0 on failure, non-zero on success
@@ -53,8 +53,8 @@ int bcm271x_mbox_get_touch(void)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
-    mbox[2] = MBOX_TAG_GET_TOUCHBUF; 
+
+    mbox[2] = MBOX_TAG_GET_TOUCHBUF;
     mbox[3] = 4;                        // buffer size
     mbox[4] = 0;                        // len
 
@@ -76,7 +76,7 @@ int bcm271x_notify_reboot(void)
     mbox[4] = 0x00000000;                   // size of the data
     mbox[5] = 0x00000000;                   // request
 
-    mbox[6] = MBOX_TAG_LAST; 
+    mbox[6] = MBOX_TAG_LAST;
     mbox_call(8, MMU_DISABLE);
     return 0;
 }
@@ -89,7 +89,7 @@ int bcm271x_notify_xhci_reset(void)
     mbox[3] = 0x00000004;                   // length + 4
     mbox[4] = 0x00000004;                   // size of the data
     mbox[5] = 0x00100000;                   // request
-    mbox[6] = MBOX_TAG_LAST; 
+    mbox[6] = MBOX_TAG_LAST;
     mbox_call(8, MMU_DISABLE);
     return 0;
 }
@@ -98,7 +98,7 @@ int bcm271x_gpu_enable(void)
 {
     mbox[0] = 12*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                  // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_SET_RATE;
     mbox[3] = 0x00000008;                   // (the tag id)
     mbox[4] = 0x00000008;                   // (the tag id)
@@ -117,12 +117,12 @@ int bcm271x_mbox_hardware_get_model(void)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
+
     mbox[2] = MBOX_TAG_HARDWARE_GET_MODEL;
     mbox[3] = 4;                            // buffer size
     mbox[4] = 0;                            // len
 
-    mbox[5] = 0;                            
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -135,12 +135,12 @@ int bcm271x_mbox_hardware_get_revison(void)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_REV;   
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_REV;
     mbox[3] = 4;                            // buffer size
     mbox[4] = 0;                            // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -153,12 +153,12 @@ int bcm271x_mbox_hardware_get_mac_address(uint8_t * mac)
 {
     mbox[0] = 8*4;                                 // length of the message
     mbox[1] = MBOX_REQUEST;                        // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_MAC_ADDRESS;   
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_MAC_ADDRESS;
     mbox[3] = 6;                                   // buffer size
     mbox[4] = 0;                                   // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -179,12 +179,12 @@ int bcm271x_mbox_hardware_get_serial(rt_uint64_t* sn)
 {
     mbox[0] = 8*4;                              // length of the message
     mbox[1] = MBOX_REQUEST;                     // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_SERIAL;    
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_SERIAL;
     mbox[3] = 8;                                // buffer size
     mbox[4] = 0;                                // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -199,12 +199,12 @@ int bcm271x_mbox_hardware_get_arm_memory(rt_uint32_t * base, rt_uint32_t * size)
 {
     mbox[0] = 8*4;                                  // length of the message
     mbox[1] = MBOX_REQUEST;                         // this is a request message
-    
-    mbox[2] = MBOX_TAG_HARDWARE_GET_ARM_MEMORY;   
+
+    mbox[2] = MBOX_TAG_HARDWARE_GET_ARM_MEMORY;
     mbox[3] = 8;                                    // buffer size
     mbox[4] = 0;                                    // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -212,7 +212,7 @@ int bcm271x_mbox_hardware_get_arm_memory(rt_uint32_t * base, rt_uint32_t * size)
 
     *base = mbox[5];
     *size = mbox[6];
-    
+
     return 0;
 
 }
@@ -221,12 +221,12 @@ int bcm271x_mbox_hardware_get_vc_memory(rt_uint32_t * base, rt_uint32_t * size)
 {
     mbox[0] = 8*4;                               // length of the message
     mbox[1] = MBOX_REQUEST;                      // this is a request message
-    
+
     mbox[2] = MBOX_TAG_HARDWARE_GET_VC_MEMORY;
     mbox[3] = 8;                                 // buffer size
     mbox[4] = 0;                                 // len
 
-    mbox[5] = 0;                    
+    mbox[5] = 0;
     mbox[6] = 0;
 
     mbox[7] = MBOX_TAG_LAST;
@@ -234,7 +234,7 @@ int bcm271x_mbox_hardware_get_vc_memory(rt_uint32_t * base, rt_uint32_t * size)
 
     *base = mbox[5];
     *size = mbox[6];
-    
+
     return 0;
 }
 
@@ -242,8 +242,8 @@ int bcm271x_mbox_clock_get_turbo(void)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_GET_TURBO; 
+
+    mbox[2] = MBOX_TAG_CLOCK_GET_TURBO;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 4;                        // len
 
@@ -265,8 +265,8 @@ int bcm271x_mbox_clock_set_turbo(int level)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_SET_TURBO;  
+
+    mbox[2] = MBOX_TAG_CLOCK_SET_TURBO;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
 
@@ -288,7 +288,7 @@ int bcm271x_mbox_clock_get_state(int id)
 {
     mbox[0] = 8*4;                       // length of the message
     mbox[1] = MBOX_REQUEST;              // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_GET_STATE;
     mbox[3] = 8;                         // buffer size
     mbox[4] = 4;                         // len
@@ -311,7 +311,7 @@ int bcm271x_mbox_clock_set_state(int id, int state)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_SET_STATE;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
@@ -334,8 +334,8 @@ int bcm271x_mbox_clock_get_rate(int id)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_GET_RATE; 
+
+    mbox[2] = MBOX_TAG_CLOCK_GET_RATE;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 4;                        // len
 
@@ -357,7 +357,7 @@ int bcm271x_mbox_clock_set_rate(int id, int rate)
 {
     mbox[0] = 8*4;                      // length of the message
     mbox[1] = MBOX_REQUEST;             // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_SET_RATE;
     mbox[3] = 8;                        // buffer size
     mbox[4] = 8;                        // len
@@ -380,7 +380,7 @@ int bcm271x_mbox_clock_get_max_rate(int id)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
+
     mbox[2] = MBOX_TAG_CLOCK_GET_MAX_RATE;
     mbox[3] = 8;                            // buffer size
     mbox[4] = 4;                            // len
@@ -403,8 +403,8 @@ int bcm271x_mbox_clock_get_min_rate(int id)
 {
     mbox[0] = 8*4;                          // length of the message
     mbox[1] = MBOX_REQUEST;                 // this is a request message
-    
-    mbox[2] = MBOX_TAG_CLOCK_GET_MIN_RATE; 
+
+    mbox[2] = MBOX_TAG_CLOCK_GET_MIN_RATE;
     mbox[3] = 8;                            // buffer size
     mbox[4] = 4;                            // len
 
@@ -426,7 +426,7 @@ int bcm271x_mbox_power_get_state(int id)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_POWER_GET_STATE;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 4;                    // len
@@ -449,7 +449,7 @@ int bcm271x_mbox_power_set_state(int id, int state)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_POWER_SET_STATE;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 8;                    // len
@@ -472,7 +472,7 @@ int bcm271x_mbox_temp_get(void)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_TEMP_GET;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 4;                    // len
@@ -495,7 +495,7 @@ int bcm271x_mbox_temp_get_max(void)
 {
     mbox[0] = 8*4;                  // length of the message
     mbox[1] = MBOX_REQUEST;         // this is a request message
-    
+
     mbox[2] = MBOX_TAG_TEMP_GET_MAX;
     mbox[3] = 8;                    // buffer size
     mbox[4] = 4;                    // len
diff --git a/bsp/raspberry-pi/raspi4-32/driver/mbox.h b/bsp/raspberry-pi/raspi4-32/driver/mbox.h
index 7a05597de4..2c69bcf55a 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/mbox.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/mbox.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/raspi4.h b/bsp/raspberry-pi/raspi4-32/driver/raspi4.h
index 72e212ff85..bba81ea311 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/raspi4.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/raspi4.h
@@ -149,8 +149,8 @@ typedef enum {
     } while (0) \
 
 //External Mass Media Controller (SD Card)
-#define MMC0_BASE_ADDR		(PER_BASE+0x300000)   
-#define MMC2_BASE_ADDR		(PER_BASE+0x340000)
+#define MMC0_BASE_ADDR      (PER_BASE+0x300000)
+#define MMC2_BASE_ADDR      (PER_BASE+0x340000)
 
 #define ETH_IRQ                 (160+29)
 
@@ -162,7 +162,7 @@ typedef enum {
 #define BSC5_BASE_OFFSET            (0x205A80)
 #define BSC6_BASE_OFFSET            (0x205C00)
 
-//BSC2 and BSC7 masters are dedicated for use by the 
+//BSC2 and BSC7 masters are dedicated for use by the
 //HDMI interfaces and should not be accessed byuser programs.
 #define BSC0_BASE                   (PER_BASE + BSC0_BASE_OFFSET)
 #define BSC1_BASE                   (PER_BASE + BSC1_BASE_OFFSET)
diff --git a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.c b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.c
index 894ef1f25c..3f9dbb83ad 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -58,7 +58,7 @@ static void dsi_touch_thread_entry(void *param)
         rt_kprintf("init dsi touch err!\n");
         return;
     }
-    
+
     while (1)
     {
         struct touch_regs *regs = (struct touch_regs *)touchbuf;
@@ -73,7 +73,7 @@ static void dsi_touch_thread_entry(void *param)
         {
             touch_state = 0;
         }
-        rt_thread_mdelay(50); 
+        rt_thread_mdelay(50);
     }
 }
 
diff --git a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.h b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.h
index 6d6439f199..ea70191dde 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_dsi_touch.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.c b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.c
index 489701f079..5911b5b6e3 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -104,7 +104,7 @@ no pressed:(0x800,0xfff)
 ------------------------------------
 */
 #define XMIN 0x800
-#define YMAX 0xfff 
+#define YMAX 0xfff
 void read_tp(void *dev, rt_uint16_t *x, rt_uint16_t *y)
 {
     struct rt_spi_device *touch_dev = (struct rt_spi_device *)dev;
diff --git a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.h b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.h
index 5b28c0a7dd..0a88546250 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/touch/drv_xpt2046.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-64/applications/main.c b/bsp/raspberry-pi/raspi4-64/applications/main.c
index 9664e67d01..9400e2a598 100644
--- a/bsp/raspberry-pi/raspi4-64/applications/main.c
+++ b/bsp/raspberry-pi/raspi4-64/applications/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-64/driver/board.c b/bsp/raspberry-pi/raspi4-64/driver/board.c
index 79a24d184f..0fbd4921f8 100644
--- a/bsp/raspberry-pi/raspi4-64/driver/board.c
+++ b/bsp/raspberry-pi/raspi4-64/driver/board.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -44,7 +44,7 @@ void rt_hw_timer_init(void)
     timerStep = rt_hw_get_gtimer_frq();
     __DSB();
     timerStep /= RT_TICK_PER_SECOND;
-    
+
     rt_hw_gtimer_enable();
     rt_hw_set_gtimer_val(timerStep);
     core0_timer_enable_interrupt_controller();
@@ -56,7 +56,7 @@ void idle_wfi(void)
 }
 
 /**
- *  Initialize the Hardware related stuffs. Called from rtthread_startup() 
+ *  Initialize the Hardware related stuffs. Called from rtthread_startup()
  *  after interrupt disabled.
  */
 void rt_hw_board_init(void)
diff --git a/bsp/raspberry-pi/raspi4-64/driver/board.h b/bsp/raspberry-pi/raspi4-64/driver/board.h
index d675cc658e..29019514b9 100644
--- a/bsp/raspberry-pi/raspi4-64/driver/board.h
+++ b/bsp/raspberry-pi/raspi4-64/driver/board.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.c b/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.c
index bba20a86a4..f526ff99e6 100644
--- a/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.c
+++ b/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -71,7 +71,7 @@ static void raspi_pin_write(struct rt_device *dev, rt_base_t pin, rt_base_t valu
         {
             GPIO_REG_GPCLR1(GPIO_BASE) = 1 << (pin % 32);
         }
-        
+
     }
 }
 
diff --git a/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.h b/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.h
index c4658fcebb..3627b51593 100644
--- a/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.h
+++ b/bsp/raspberry-pi/raspi4-64/driver/drv_gpio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/raspberry-pi/raspi4-64/driver/drv_uart.c b/bsp/raspberry-pi/raspi4-64/driver/drv_uart.c
index 6a70cdfb3a..597682df34 100644
--- a/bsp/raspberry-pi/raspi4-64/driver/drv_uart.c
+++ b/bsp/raspberry-pi/raspi4-64/driver/drv_uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -117,7 +117,7 @@ static const struct rt_uart_ops _uart_ops =
 
 static void rt_hw_uart_isr(int irqno, void *param)
 {
-    struct rt_serial_device *serial = (struct rt_serial_device*)param; 
+    struct rt_serial_device *serial = (struct rt_serial_device*)param;
     rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
     PL011_REG_ICR(UART0_BASE) = PL011_INTERRUPT_RECEIVE;
 }
diff --git a/bsp/raspberry-pi/raspi4-64/driver/drv_uart.h b/bsp/raspberry-pi/raspi4-64/driver/drv_uart.h
index 714043efd3..1dfb9b7e04 100644
--- a/bsp/raspberry-pi/raspi4-64/driver/drv_uart.h
+++ b/bsp/raspberry-pi/raspi4-64/driver/drv_uart.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *