Signed-off-by: JairGudino <ramonjair.gudino@nxp.com>

drivers: actuator: dac_mcux_gau: Add PM3 support

PM3 support to the rw61x in the dac driver added

Author: JairGudino

drivers/dac/dac_mcux_gau.c

@@ -1,13 +1,12 @@
 /*
- * Copyright 2023 NXP
+ * Copyright 2023, 2025 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 #define DT_DRV_COMPAT nxp_gau_dac
 
 #include <zephyr/drivers/dac.h>
- 
 #include <fsl_dac.h>
 #include "fsl_clock.h"
 #define LOG_LEVEL CONFIG_DAC_LOG_LEVEL
@@ -51,10 +50,8 @@ static int nxp_gau_dac_channel_setup(const struct device *dev,
 	dac_channel_config_t dac_channel_config = {0};
 	bool use_internal = true;
 
-	pm_policy_state_lock_get(PM_STATE_STANDBY, PM_ALL_SUBSTATES); 		  //Lock the PM MODE 3	
-	pm_policy_state_lock_get(PM_STATE_SUSPEND_TO_IDLE, PM_ALL_SUBSTATES); //Lock the PM MODE 2	
-	pm_policy_state_lock_get(PM_STATE_RUNTIME_IDLE, PM_ALL_SUBSTATES);    //Lock the PM MODE 1
- 
+	pm_policy_device_power_lock_get(dev);/*Lock the PM states*/ 
+
 	if (channel_cfg->resolution != 10) {
 		LOG_ERR("DAC only support 10 bit resolution");
 		return -EINVAL;
@@ -143,29 +140,20 @@ static int nxp_gau_dac_init_common(const struct device *dev)
 int nxp_gau_deinit(const struct device *dev){
 	const struct nxp_gau_dac_config *config = dev->config;
 	DAC_Deinit(config->base);
- 
-	pm_policy_state_lock_put(PM_STATE_STANDBY, PM_ALL_SUBSTATES); 		  //Lock the PM MODE 3	
-	pm_policy_state_lock_put(PM_STATE_SUSPEND_TO_IDLE, PM_ALL_SUBSTATES); //Lock the PM MODE 2	
-	pm_policy_state_lock_put(PM_STATE_RUNTIME_IDLE, PM_ALL_SUBSTATES);    //Lock the PM MODE 1
+   
+	pm_policy_device_power_lock_put(dev); /*Free the PM states*/ 
 	return 0;
 }
 
 static int dac_mcux_pm_action(const struct device *dev, enum pm_device_action action)
-{	static const struct dac_channel_cfg dac_ch_cfg_pm = {
-		.channel_id  = DAC_CHANNEL_ID_RESTORE,
-		.resolution  = DAC_RESOLUTION_RESTORE,
-		.buffered = true
-		};
-		 
+{			
 	switch (action) {
 	case PM_DEVICE_ACTION_RESUME:
-		break;
 	case PM_DEVICE_ACTION_SUSPEND:
-		break;
 	case PM_DEVICE_ACTION_TURN_OFF:
 		break;
 	case PM_DEVICE_ACTION_TURN_ON:
-	nxp_gau_dac_init_common(dev);
+		nxp_gau_dac_init_common(dev);
 		break;
 	default:
 		return -ENOTSUP;

dts/arm/nxp/nxp_rw6xx_common.dtsi

@@ -565,6 +565,7 @@
 			interrupts = <108 0>;
 			status = "disabled";
 			#io-channel-cells = <0>;
+			zephyr,disabling-power-states = <&suspend &standby>;
 			power-domains = <&power_mode3_domain>;
 		};
 	};