Quelle  pinctrl-sun55i-a523-r.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 * Allwinner A523 SoC r-pinctrl driver.
 *
 * Copyright (C) 2024 Arm Ltd.
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-sunxi.h"

static const u8 a523_r_nr_bank_pins[SUNXI_PINCTRL_MAX_BANKS] =
/*   PL  PM */
 { 14,  6 };

static const unsigned int a523_r_irq_bank_map[] = { 0, 1 };

static const u8 a523_r_irq_bank_muxes[SUNXI_PINCTRL_MAX_BANKS] =
/*   PL  PM */
 { 14, 14 };

static struct sunxi_pinctrl_desc a523_r_pinctrl_data = {
 .irq_banks = ARRAY_SIZE(a523_r_irq_bank_map),
 .irq_bank_map = a523_r_irq_bank_map,
 .irq_read_needs_mux = true,
 .io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_SEL,
 .pin_base = PL_BASE,
};

static int a523_r_pinctrl_probe(struct platform_device *pdev)
{
 return sunxi_pinctrl_dt_table_init(pdev, a523_r_nr_bank_pins,
        a523_r_irq_bank_muxes,
        &a523_r_pinctrl_data,
        SUNXI_PINCTRL_NEW_REG_LAYOUT);
}

static const struct of_device_id a523_r_pinctrl_match[] = {
 { .compatible = "allwinner,sun55i-a523-r-pinctrl", },
 {}
};

static struct platform_driver a523_r_pinctrl_driver = {
 .probe = a523_r_pinctrl_probe,
 .driver = {
  .name  = "sun55i-a523-r-pinctrl",
  .of_match_table = a523_r_pinctrl_match,
 },
};
builtin_platform_driver(a523_r_pinctrl_driver);