drivers: pwm_nrfx: Use Device Tree label as instance name

This commit replaces Kconfig options defining PWM instance
names by device tree labels.

Signed-off-by: Piotr Zięcik <[email protected]>

Author: pizi-nordic

drivers/pwm/Kconfig.nrfx

@@ -12,43 +12,3 @@ menuconfig PWM_NRFX
 	help
 	  Enable support for nrfx Hardware PWM driver for nRF52 MCU series.
 
-if PWM_NRFX
-
-if PWM_0
-config PWM_0_NAME
-	string "PWM module 0 device name"
-	default "PWM_0"
-	help
-	  Specify the device name for the Nordic Semiconductor nRF52 series HW
-	  PWM module 0.
-
-endif # PWM_0
-
-if PWM_1
-config PWM_1_NAME
-	string "PWM module 1 device name"
-	default "PWM_1"
-	help
-	  Specify the device name for the Nordic Semiconductor nRF52 series HW
-	  PWM module 1.
-endif # PWM_1
-
-if PWM_2
-config PWM_2_NAME
-	string "PWM module 2 device name"
-	default "PWM_2"
-	help
-	  Specify the device name for the Nordic Semiconductor nRF52 series HW
-	  PWM module 2.
-endif # PWM_2
-
-if PWM_3
-config PWM_3_NAME
-	string "PWM module 3 device name"
-	default "PWM_3"
-	help
-	  Specify the device name for the Nordic Semiconductor nRF52 series HW
-	  PWM module 3.
-endif # PWM_3
-
-endif # PWM_NRFX

drivers/pwm/pwm_nrfx.c

@@ -372,7 +372,8 @@ static int pwm_nrfx_pm_control(struct device *dev,
 		.seq.length = NRF_PWM_CHANNEL_COUNT			      \
 	};								      \
 	PWM_NRFX_PM_CONTROL(idx)					      \
-	DEVICE_DEFINE(pwm_nrfx_##idx, CONFIG_PWM_##idx##_NAME,		      \
+	DEVICE_DEFINE(pwm_nrfx_##idx,					      \
+		      DT_NORDIC_NRF_PWM_PWM_##idx##_LABEL,		      \
 		      pwm_nrfx_init, pwm_##idx##_nrfx_pm_control,	      \
 		      &pwm_nrfx_##idx##_data,				      \
 		      &pwm_nrfx_##idx##_config,				      \