drivers: dac: add pinctrl support to dac_mcux_dac32 driver

add pinctrl support to dac_mcux_dac32 driver

Signed-off-by: Daniel DeGrasse <[email protected]>

Author: danieldegrasse

drivers/dac/Kconfig.mcux

@@ -13,6 +13,7 @@ config DAC_MCUX_DAC
 config DAC_MCUX_DAC32
 	bool "NXP Kinetis MCUX DAC32 driver"
 	depends on HAS_MCUX_DAC32
+	select PINCTRL
 	help
 	  Enable the driver for the NXP Kinetis MCUX DAC32.
 

drivers/dac/dac_mcux_dac32.c

@@ -9,6 +9,7 @@
 #include <zephyr.h>
 #include <drivers/dac.h>
 #include <logging/log.h>
+#include <drivers/pinctrl.h>
 
 #include <fsl_dac32.h>
 
@@ -19,6 +20,7 @@ struct mcux_dac32_config {
 	dac32_reference_voltage_source_t reference;
 	bool buffered;
 	bool low_power;
+	const struct pinctrl_dev_config *pincfg;
 };
 
 struct mcux_dac32_data {
@@ -89,7 +91,9 @@ static int mcux_dac32_write_value(const struct device *dev, uint8_t channel,
 
 static int mcux_dac32_init(const struct device *dev)
 {
-	return 0;
+	const struct mcux_dac32_config *config = dev->config;
+
+	return pinctrl_apply_state(config->pincfg, PINCTRL_STATE_DEFAULT);
 }
 
 static const struct dac_driver_api mcux_dac32_driver_api = {
@@ -103,12 +107,15 @@ static const struct dac_driver_api mcux_dac32_driver_api = {
 #define MCUX_DAC32_INIT(n) \
 	static struct mcux_dac32_data mcux_dac32_data_##n;		\
 									\
+	PINCTRL_DT_INST_DEFINE(n);					\
+									\
 	static const struct mcux_dac32_config mcux_dac32_config_##n = {	\
 		.base = (DAC_Type *)DT_INST_REG_ADDR(n),		\
 		.reference =						\
 		TO_DAC32_VREF_SRC(DT_INST_PROP(n, voltage_reference)),	\
 		.buffered = DT_INST_PROP(n, buffered),			\
 		.low_power = DT_INST_PROP(n, low_power_mode),		\
+		.pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n),		\
 	};								\
 									\
 	DEVICE_DT_INST_DEFINE(n, mcux_dac32_init, NULL,			\

dts/bindings/dac/nxp,kinetis-dac32.yaml

@@ -5,7 +5,7 @@ description: NXP Kinetis MCUX DAC32
 
 compatible: "nxp,kinetis-dac32"
 
-include: dac-controller.yaml
+include: [dac-controller.yaml, pinctrl-device.yaml]
 
 properties:
     reg: