root/drivers/pinctrl/mvebu/pinctrl-ac5.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Marvell ac5 pinctrl driver based on mvebu pinctrl core
 *
 * Copyright (C) 2021 Marvell
 *
 * Noam Liron <lnoam@marvell.com>
 */

#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-mvebu.h"

static struct mvebu_mpp_mode ac5_mpp_modes[] = {
        MPP_MODE(0,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d0"),
                 MPP_FUNCTION(2, "nand",  "io4")),
        MPP_MODE(1,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d1"),
                 MPP_FUNCTION(2, "nand",  "io3")),
        MPP_MODE(2,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d2"),
                 MPP_FUNCTION(2, "nand",  "io2")),
        MPP_MODE(3,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d3"),
                 MPP_FUNCTION(2, "nand",  "io7")),
        MPP_MODE(4,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d4"),
                 MPP_FUNCTION(2, "nand",  "io6"),
                 MPP_FUNCTION(3, "uart3", "txd"),
                 MPP_FUNCTION(4, "uart2", "txd")),
        MPP_MODE(5,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d5"),
                 MPP_FUNCTION(2, "nand",  "io5"),
                 MPP_FUNCTION(3, "uart3", "rxd"),
                 MPP_FUNCTION(4, "uart2", "rxd")),
        MPP_MODE(6,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d6"),
                 MPP_FUNCTION(2, "nand",  "io0"),
                 MPP_FUNCTION(3, "i2c1",  "sck")),
        MPP_MODE(7,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "d7"),
                 MPP_FUNCTION(2, "nand",  "io1"),
                 MPP_FUNCTION(3, "i2c1",  "sda")),
        MPP_MODE(8,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "clk"),
                 MPP_FUNCTION(2, "nand",  "wen")),
        MPP_MODE(9,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "cmd"),
                 MPP_FUNCTION(2, "nand",  "ale")),
        MPP_MODE(10,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "ds"),
                 MPP_FUNCTION(2, "nand",  "cle")),
        MPP_MODE(11,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "sdio",  "rst"),
                 MPP_FUNCTION(2, "nand",  "cen")),
        MPP_MODE(12,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "spi0",  "clk")),
        MPP_MODE(13,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "spi0",  "csn")),
        MPP_MODE(14,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "spi0",  "mosi")),
        MPP_MODE(15,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "spi0",  "miso")),
        MPP_MODE(16,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "spi0",  "wpn"),
                 MPP_FUNCTION(2, "nand",  "ren"),
                 MPP_FUNCTION(3, "uart1", "txd")),
        MPP_MODE(17,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "spi0",  "hold"),
                 MPP_FUNCTION(2, "nand",  "rb"),
                 MPP_FUNCTION(3, "uart1", "rxd")),
        MPP_MODE(18,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "tsen_int", NULL),
                 MPP_FUNCTION(2, "uart2", "rxd"),
                 MPP_FUNCTION(3, "wd_int", NULL)),
        MPP_MODE(19,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "dev_init_done", NULL),
                 MPP_FUNCTION(2, "uart2", "txd")),
        MPP_MODE(20,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(2, "i2c1",  "sck"),
                 MPP_FUNCTION(3, "spi1",  "clk"),
                 MPP_FUNCTION(4, "uart3", "txd")),
        MPP_MODE(21,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(2, "i2c1",  "sda"),
                 MPP_FUNCTION(3, "spi1",  "csn"),
                 MPP_FUNCTION(4, "uart3", "rxd")),
        MPP_MODE(22,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(3, "spi1",  "mosi")),
        MPP_MODE(23,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(3, "spi1",  "miso")),
        MPP_MODE(24,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "wd_int", NULL),
                 MPP_FUNCTION(2, "uart2", "txd"),
                 MPP_FUNCTION(3, "uartsd", "txd")),
        MPP_MODE(25,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "int_out", NULL),
                 MPP_FUNCTION(2, "uart2", "rxd"),
                 MPP_FUNCTION(3, "uartsd", "rxd")),
        MPP_MODE(26,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "i2c0",  "sck"),
                 MPP_FUNCTION(2, "ptp", "clk1"),
                 MPP_FUNCTION(3, "uart3", "txd")),
        MPP_MODE(27,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "i2c0",  "sda"),
                 MPP_FUNCTION(2, "ptp", "pulse"),
                 MPP_FUNCTION(3, "uart3", "rxd")),
        MPP_MODE(28,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "xg", "mdio"),
                 MPP_FUNCTION(2, "ge", "mdio"),
                 MPP_FUNCTION(3, "uart3", "txd")),
        MPP_MODE(29,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "xg", "mdio"),
                 MPP_FUNCTION(2, "ge", "mdio"),
                 MPP_FUNCTION(3, "uart3", "rxd")),
        MPP_MODE(30,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "xg", "mdio"),
                 MPP_FUNCTION(2, "ge", "mdio"),
                 MPP_FUNCTION(3, "ge", "mdio")),
        MPP_MODE(31,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "xg", "mdio"),
                 MPP_FUNCTION(2, "ge", "mdio"),
                 MPP_FUNCTION(3, "ge", "mdio")),
        MPP_MODE(32,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "uart0", "txd")),
        MPP_MODE(33,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "uart0", "rxd"),
                 MPP_FUNCTION(2, "ptp", "clk1"),
                 MPP_FUNCTION(3, "ptp", "pulse")),
        MPP_MODE(34,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "ge", "mdio"),
                 MPP_FUNCTION(2, "uart3", "rxd")),
        MPP_MODE(35,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "ge", "mdio"),
                 MPP_FUNCTION(2, "uart3", "txd"),
                 MPP_FUNCTION(3, "pcie", "rstoutn")),
        MPP_MODE(36,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "ptp", "clk0_tp"),
                 MPP_FUNCTION(2, "ptp", "clk1_tp")),
        MPP_MODE(37,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "ptp", "pulse_tp"),
                 MPP_FUNCTION(2, "wd_int", NULL)),
        MPP_MODE(38,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "synce", "clk_out0")),
        MPP_MODE(39,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "synce", "clk_out1")),
        MPP_MODE(40,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "ptp", "pclk_out0"),
                 MPP_FUNCTION(2, "ptp", "pclk_out1")),
        MPP_MODE(41,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "ptp", "ref_clk"),
                 MPP_FUNCTION(2, "ptp", "clk1"),
                 MPP_FUNCTION(3, "ptp", "pulse"),
                 MPP_FUNCTION(4, "uart2", "txd"),
                 MPP_FUNCTION(5, "i2c1",  "sck")),
        MPP_MODE(42,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "ptp", "clk0"),
                 MPP_FUNCTION(2, "ptp", "clk1"),
                 MPP_FUNCTION(3, "ptp", "pulse"),
                 MPP_FUNCTION(4, "uart2", "rxd"),
                 MPP_FUNCTION(5, "i2c1",  "sda")),
        MPP_MODE(43,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "led", "clk")),
        MPP_MODE(44,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "led", "stb")),
        MPP_MODE(45,
                 MPP_FUNCTION(0, "gpio",  NULL),
                 MPP_FUNCTION(1, "led", "data")),
};

static struct mvebu_pinctrl_soc_info ac5_pinctrl_info;

static const struct of_device_id ac5_pinctrl_of_match[] = {
        {
                .compatible = "marvell,ac5-pinctrl",
        },
        { },
};

static const struct mvebu_mpp_ctrl ac5_mpp_controls[] = {
        MPP_FUNC_CTRL(0, 45, NULL, mvebu_mmio_mpp_ctrl), };

static struct pinctrl_gpio_range ac5_mpp_gpio_ranges[] = {
        MPP_GPIO_RANGE(0,   0,  0, 46), };

static int ac5_pinctrl_probe(struct platform_device *pdev)
{
        struct mvebu_pinctrl_soc_info *soc = &ac5_pinctrl_info;

        soc->variant = 0; /* no variants for ac5 */
        soc->controls = ac5_mpp_controls;
        soc->ncontrols = ARRAY_SIZE(ac5_mpp_controls);
        soc->gpioranges = ac5_mpp_gpio_ranges;
        soc->ngpioranges = ARRAY_SIZE(ac5_mpp_gpio_ranges);
        soc->modes = ac5_mpp_modes;
        soc->nmodes = ac5_mpp_controls[0].npins;

        pdev->dev.platform_data = soc;

        return mvebu_pinctrl_simple_mmio_probe(pdev);
}

static struct platform_driver ac5_pinctrl_driver = {
        .driver = {
                .name = "ac5-pinctrl",
                .of_match_table = of_match_ptr(ac5_pinctrl_of_match),
        },
        .probe = ac5_pinctrl_probe,
};
builtin_platform_driver(ac5_pinctrl_driver);