soc: nordic: nrf54h: gpd: add API to set/clear pin retention (77fc1832) · Commits · Wenxi XU / zephyr

soc/nordic/nrf54h/gpd/gpd.c

+29 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@
		#include <zephyr/spinlock.h>
		#include <zephyr/sys/util.h>

		#include <hal/nrf_gpio.h>
		#include <nrf/gpd.h>
		#include <nrfs_gdpwr.h>
		#include <nrfs_backend_ipc_service.h>
		@@ -207,6 +208,34 @@ int nrf_gpd_release(uint8_t id)
		return onoff_release(&gpd_mgr->mgr);
		}

		int nrf_gpd_retain_pins_set(const struct pinctrl_dev_config *pcfg, bool retain)
		{
		const struct pinctrl_state *state;
		int ret;

		ret = pinctrl_lookup_state(pcfg, PINCTRL_STATE_DEFAULT, &state);
		if (ret < 0) {
		return ret;
		}

		for (uint8_t i = 0U; i < state->pin_cnt; i++) {
		uint32_t pin = NRF_GET_PIN(state->pins[i]);
		NRF_GPIO_Type *reg = nrf_gpio_pin_port_decode(&pin);

		if (pin == NRF_PIN_DISCONNECTED) {
		continue;
		}

		if (retain) {
		reg->RETAINSET = BIT(pin);
		} else {
		reg->RETAINCLR = BIT(pin);
		}
		}

		return 0;
		}

		static int nrf_gpd_pre_init(void)
		{
		int ret;

+12 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@
		#include <stdint.h>

		#include <zephyr/dt-bindings/power/nordic-nrf-gpd.h>
		#include <zephyr/drivers/pinctrl.h>

		/**
		* @brief Request a global power domain.
		@@ -30,4 +31,15 @@ int nrf_gpd_request(uint8_t id);
		*/
		int nrf_gpd_release(uint8_t id);

		/**
		* @brief Retain set/clear a set of pins.
		*
		* @param pcfg Device pin configuration.
		* @param retain Retain or not.
		*
		* @retval 0 If the request was successful.
		* @retval -errno If the request was not successful.
		*/
		int nrf_gpd_retain_pins_set(const struct pinctrl_dev_config *pcfg, bool retain);

		#endif /* ZEPHYR_SOC_NORDIC_NRF54H_GPD_INCLUDE_NRF_GPD_H_ */