diff --git a/bsp/lpc55sxx/Libraries/drivers/drv_hwtimer.c b/bsp/lpc55sxx/Libraries/drivers/drv_hwtimer.c
index 98393fd619..a13283e0e2 100644
--- a/bsp/lpc55sxx/Libraries/drivers/drv_hwtimer.c
+++ b/bsp/lpc55sxx/Libraries/drivers/drv_hwtimer.c
@@ -59,11 +59,11 @@ static rt_err_t lpc_ctimer_control(rt_hwtimer_t *timer, rt_uint32_t cmd, void *a
     {
         uint32_t clk;
         uint32_t pre;
-        if(hwtimer_dev == CTIMER0) clk = CLOCK_GetFreq(kCLOCK_CTimer0);
-        if(hwtimer_dev == CTIMER1) clk = CLOCK_GetFreq(kCLOCK_CTimer1);
-        if(hwtimer_dev == CTIMER2) clk = CLOCK_GetFreq(kCLOCK_CTimer2);
-        if(hwtimer_dev == CTIMER3) clk = CLOCK_GetFreq(kCLOCK_CTimer3);
-        if(hwtimer_dev == CTIMER4) clk = CLOCK_GetFreq(kCLOCK_CTimer4);
+        if(hwtimer_dev == CTIMER0) clk = CLOCK_GetFreq(kCLOCK_Timer0);
+        if(hwtimer_dev == CTIMER1) clk = CLOCK_GetFreq(kCLOCK_Timer1);
+        if(hwtimer_dev == CTIMER2) clk = CLOCK_GetFreq(kCLOCK_Timer2);
+        if(hwtimer_dev == CTIMER3) clk = CLOCK_GetFreq(kCLOCK_Timer3);
+        if(hwtimer_dev == CTIMER4) clk = CLOCK_GetFreq(kCLOCK_Timer4);
 
         pre = clk / *((uint32_t *)args) - 1;
 
diff --git a/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c b/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c
index 701d1349ee..4abb65b1d0 100644
--- a/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c
+++ b/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c
@@ -153,7 +153,7 @@ int rt_hw_pwm_init(void)
 
 #ifdef BSP_USING_CTIMER2
 
-    static struct rt_device_pwm pwm1_device;
+    static struct rt_device_pwm pwm2_device;
     ctimer_config_t config;
     uint32_t pwmPeriod, pulsePeriod;
 
@@ -186,11 +186,11 @@ int rt_hw_pwm_init(void)
     CTIMER_SetupPwmPeriod(CTIMER2, kCTIMER_Match_3 , kCTIMER_Match_1, pwmPeriod, pulsePeriod, false);
 #endif
 
-    ret = rt_device_pwm_register(&pwm1_device, "pwm1", &lpc_drv_ops, CTIMER2);
+    ret = rt_device_pwm_register(&pwm2_device, "pwm2", &lpc_drv_ops, CTIMER2);
 
     if (ret != RT_EOK)
     {
-        LOG_E("%s register failed", "pwm1");
+        LOG_E("%s register failed", "pwm2");
     }
 
 #endif /* BSP_USING_CTIMER2 */
diff --git a/bsp/lpc55sxx/lpc55s69_nxp_evk/applications/arduino_pinout/pins_arduino.c b/bsp/lpc55sxx/lpc55s69_nxp_evk/applications/arduino_pinout/pins_arduino.c
index 0c02e3ac29..a43917a52d 100644
--- a/bsp/lpc55sxx/lpc55s69_nxp_evk/applications/arduino_pinout/pins_arduino.c
+++ b/bsp/lpc55sxx/lpc55s69_nxp_evk/applications/arduino_pinout/pins_arduino.c
@@ -35,7 +35,7 @@ const pin_map_t pin_map_table[]=
     {D9, GET_PINS(1,5)},
     {D10, GET_PINS(1,1)},
     {D11, GET_PINS(0,26)},
-    {D12, GET_PINS(1,3), "pwm0", 3},    /* PWM */
+    {D12, GET_PINS(1,3)},
     {D13, GET_PINS(1,2)},
     {D14, GET_PINS(1,21), "i2c4"},      /* I2C-SDA (Wire) */
     {D15, GET_PINS(1,20), "i2c4"},      /* I2C-SCL (Wire) */