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>

struct pinctrl_ti_k3_data {
	DEVICE_MMIO_RAM;
};

struct pinctrl_ti_k3_cfg {
	DEVICE_MMIO_ROM;
};

int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt, uintptr_t reg)
{
	ARG_UNUSED(reg);
	const struct device *dev = pins->dev;
	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;
}

#define PINCTRL_TI_K3_INIT(n)                                                                      \
	static struct pinctrl_ti_k3_data pinctrl_ti_k3_data_##n;                                   \
	static struct pinctrl_ti_k3_cfg pinctrl_ti_k3_cfg_##n = {                                  \
		DEVICE_MMIO_ROM_INIT(DT_DRV_INST(n)),                                              \
	};                                                                                         \
	DEVICE_DT_INST_DEFINE(n, &pinctrl_ti_k3_init, NULL, &pinctrl_ti_k3_data_##n,               \
			      &pinctrl_ti_k3_cfg_##n, PRE_KERNEL_1,                                \
			      CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, NULL);

DT_INST_FOREACH_STATUS_OKAY(PINCTRL_TI_K3_INIT)