drivers/pinctrl/pinctrl_ti_k3.c

/*
 * Copyright (c) 2023 Enphase Energy
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#define DT_DRV_COMPAT ti_k3_pinctrl

#include <zephyr/arch/cpu.h>
#include <zephyr/drivers/pinctrl.h>

#define PINCTRL_NODE DT_NODELABEL(pinctrl)

static struct pinctrl_ti_k3_dev_data {
	DEVICE_MMIO_RAM;
} pinctrl_ti_k3_dev;

static struct pinctrl_ti_k3_cfg_data {
	DEVICE_MMIO_ROM;
} pinctrl_ti_k3_cfg = {
	DEVICE_MMIO_ROM_INIT(PINCTRL_NODE)
};

int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt, uintptr_t reg)
{
	ARG_UNUSED(reg);
	const struct device *dev = DEVICE_DT_GET(PINCTRL_NODE);
	uintptr_t virt_reg_base = DEVICE_MMIO_GET(dev);

	for (uint8_t i = 0; i < pin_cnt; i++) {
		sys_write32(pins[i].value, virt_reg_base + pins[i].offset);
	}

	return 0;
}

static int pinctrl_ti_k3_init(const struct device *dev)
{
	DEVICE_MMIO_MAP(dev, K_MEM_CACHE_NONE);
	return 0;
}

DEVICE_DT_DEFINE(PINCTRL_NODE,
		 pinctrl_ti_k3_init,
		 NULL,
		 &pinctrl_ti_k3_dev,
		 &pinctrl_ti_k3_cfg,
		 PRE_KERNEL_1,
		 CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
		 NULL);