root/drivers/pinctrl/mvebu/pinctrl-armada-370.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Marvell Armada 370 pinctrl driver based on mvebu pinctrl core
 *
 * Copyright (C) 2012 Marvell
 *
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 */

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

#include "pinctrl-mvebu.h"

static struct mvebu_mpp_mode mv88f6710_mpp_modes[] = {
        MPP_MODE(0,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "uart0", "rxd")),
        MPP_MODE(1,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "uart0", "txd")),
        MPP_MODE(2,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "i2c0", "sck"),
           MPP_FUNCTION(0x2, "uart0", "txd")),
        MPP_MODE(3,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "i2c0", "sda"),
           MPP_FUNCTION(0x2, "uart0", "rxd")),
        MPP_MODE(4,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "vdd", "cpu-pd")),
        MPP_MODE(5,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge0", "txclkout"),
           MPP_FUNCTION(0x2, "uart1", "txd"),
           MPP_FUNCTION(0x4, "spi1", "sck"),
           MPP_FUNCTION(0x5, "audio", "mclk")),
        MPP_MODE(6,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd0"),
           MPP_FUNCTION(0x2, "sata0", "prsnt"),
           MPP_FUNCTION(0x4, "tdm", "rst"),
           MPP_FUNCTION(0x5, "audio", "sdo")),
        MPP_MODE(7,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd1"),
           MPP_FUNCTION(0x4, "tdm", "dtx"),
           MPP_FUNCTION(0x5, "audio", "lrclk")),
        MPP_MODE(8,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd2"),
           MPP_FUNCTION(0x2, "uart0", "rts"),
           MPP_FUNCTION(0x4, "tdm", "drx"),
           MPP_FUNCTION(0x5, "audio", "bclk")),
        MPP_MODE(9,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd3"),
           MPP_FUNCTION(0x2, "uart1", "txd"),
           MPP_FUNCTION(0x3, "sd0", "clk"),
           MPP_FUNCTION(0x5, "audio", "spdifo")),
        MPP_MODE(10,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "txctl"),
           MPP_FUNCTION(0x2, "uart0", "cts"),
           MPP_FUNCTION(0x4, "tdm", "fsync"),
           MPP_FUNCTION(0x5, "audio", "sdi")),
        MPP_MODE(11,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd0"),
           MPP_FUNCTION(0x2, "uart1", "rxd"),
           MPP_FUNCTION(0x3, "sd0", "cmd"),
           MPP_FUNCTION(0x4, "spi0", "cs1"),
           MPP_FUNCTION(0x5, "sata1", "prsnt"),
           MPP_FUNCTION(0x6, "spi1", "cs1")),
        MPP_MODE(12,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd1"),
           MPP_FUNCTION(0x2, "i2c1", "sda"),
           MPP_FUNCTION(0x3, "sd0", "d0"),
           MPP_FUNCTION(0x4, "spi1", "cs0"),
           MPP_FUNCTION(0x5, "audio", "spdifi")),
        MPP_MODE(13,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd2"),
           MPP_FUNCTION(0x2, "i2c1", "sck"),
           MPP_FUNCTION(0x3, "sd0", "d1"),
           MPP_FUNCTION(0x4, "tdm", "pclk"),
           MPP_FUNCTION(0x5, "audio", "rmclk")),
        MPP_MODE(14,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd3"),
           MPP_FUNCTION(0x2, "pcie", "clkreq0"),
           MPP_FUNCTION(0x3, "sd0", "d2"),
           MPP_FUNCTION(0x4, "spi1", "mosi"),
           MPP_FUNCTION(0x5, "spi0", "cs2")),
        MPP_MODE(15,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxctl"),
           MPP_FUNCTION(0x2, "pcie", "clkreq1"),
           MPP_FUNCTION(0x3, "sd0", "d3"),
           MPP_FUNCTION(0x4, "spi1", "miso"),
           MPP_FUNCTION(0x5, "spi0", "cs3")),
        MPP_MODE(16,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxclk"),
           MPP_FUNCTION(0x2, "uart1", "rxd"),
           MPP_FUNCTION(0x4, "tdm", "int"),
           MPP_FUNCTION(0x5, "audio", "extclk")),
        MPP_MODE(17,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge", "mdc")),
        MPP_MODE(18,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge", "mdio")),
        MPP_MODE(19,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "txclk"),
           MPP_FUNCTION(0x2, "ge1", "txclkout"),
           MPP_FUNCTION(0x4, "tdm", "pclk")),
        MPP_MODE(20,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd4"),
           MPP_FUNCTION(0x2, "ge1", "txd0")),
        MPP_MODE(21,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd5"),
           MPP_FUNCTION(0x2, "ge1", "txd1"),
           MPP_FUNCTION(0x4, "uart1", "txd")),
        MPP_MODE(22,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd6"),
           MPP_FUNCTION(0x2, "ge1", "txd2"),
           MPP_FUNCTION(0x4, "uart0", "rts")),
        MPP_MODE(23,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "ge0", "txd7"),
           MPP_FUNCTION(0x2, "ge1", "txd3"),
           MPP_FUNCTION(0x4, "spi1", "mosi")),
        MPP_MODE(24,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "col"),
           MPP_FUNCTION(0x2, "ge1", "txctl"),
           MPP_FUNCTION(0x4, "spi1", "cs0")),
        MPP_MODE(25,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxerr"),
           MPP_FUNCTION(0x2, "ge1", "rxd0"),
           MPP_FUNCTION(0x4, "uart1", "rxd")),
        MPP_MODE(26,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "crs"),
           MPP_FUNCTION(0x2, "ge1", "rxd1"),
           MPP_FUNCTION(0x4, "spi1", "miso")),
        MPP_MODE(27,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd4"),
           MPP_FUNCTION(0x2, "ge1", "rxd2"),
           MPP_FUNCTION(0x4, "uart0", "cts")),
        MPP_MODE(28,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd5"),
           MPP_FUNCTION(0x2, "ge1", "rxd3")),
        MPP_MODE(29,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd6"),
           MPP_FUNCTION(0x2, "ge1", "rxctl"),
           MPP_FUNCTION(0x4, "i2c1", "sda")),
        MPP_MODE(30,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "ge0", "rxd7"),
           MPP_FUNCTION(0x2, "ge1", "rxclk"),
           MPP_FUNCTION(0x4, "i2c1", "sck")),
        MPP_MODE(31,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x3, "tclk", NULL),
           MPP_FUNCTION(0x4, "ge0", "txerr")),
        MPP_MODE(32,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "spi0", "cs0")),
        MPP_MODE(33,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "bootcs"),
           MPP_FUNCTION(0x2, "spi0", "cs0")),
        MPP_MODE(34,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "we0"),
           MPP_FUNCTION(0x2, "spi0", "mosi")),
        MPP_MODE(35,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "oe"),
           MPP_FUNCTION(0x2, "spi0", "sck")),
        MPP_MODE(36,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "a1"),
           MPP_FUNCTION(0x2, "spi0", "miso")),
        MPP_MODE(37,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "a0"),
           MPP_FUNCTION(0x2, "sata0", "prsnt")),
        MPP_MODE(38,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ready"),
           MPP_FUNCTION(0x2, "uart1", "cts"),
           MPP_FUNCTION(0x3, "uart0", "cts")),
        MPP_MODE(39,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad0"),
           MPP_FUNCTION(0x2, "audio", "spdifo")),
        MPP_MODE(40,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad1"),
           MPP_FUNCTION(0x2, "uart1", "rts"),
           MPP_FUNCTION(0x3, "uart0", "rts")),
        MPP_MODE(41,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad2"),
           MPP_FUNCTION(0x2, "uart1", "rxd")),
        MPP_MODE(42,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad3"),
           MPP_FUNCTION(0x2, "uart1", "txd")),
        MPP_MODE(43,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad4"),
           MPP_FUNCTION(0x2, "audio", "bclk")),
        MPP_MODE(44,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad5"),
           MPP_FUNCTION(0x2, "audio", "mclk")),
        MPP_MODE(45,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad6"),
           MPP_FUNCTION(0x2, "audio", "lrclk")),
        MPP_MODE(46,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad7"),
           MPP_FUNCTION(0x2, "audio", "sdo")),
        MPP_MODE(47,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad8"),
           MPP_FUNCTION(0x3, "sd0", "clk"),
           MPP_FUNCTION(0x5, "audio", "spdifo")),
        MPP_MODE(48,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad9"),
           MPP_FUNCTION(0x2, "uart0", "rts"),
           MPP_FUNCTION(0x3, "sd0", "cmd"),
           MPP_FUNCTION(0x4, "sata1", "prsnt"),
           MPP_FUNCTION(0x5, "spi0", "cs1")),
        MPP_MODE(49,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad10"),
           MPP_FUNCTION(0x2, "pcie", "clkreq1"),
           MPP_FUNCTION(0x3, "sd0", "d0"),
           MPP_FUNCTION(0x4, "spi1", "cs0"),
           MPP_FUNCTION(0x5, "audio", "spdifi")),
        MPP_MODE(50,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad11"),
           MPP_FUNCTION(0x2, "uart0", "cts"),
           MPP_FUNCTION(0x3, "sd0", "d1"),
           MPP_FUNCTION(0x4, "spi1", "miso"),
           MPP_FUNCTION(0x5, "audio", "rmclk")),
        MPP_MODE(51,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad12"),
           MPP_FUNCTION(0x2, "i2c1", "sda"),
           MPP_FUNCTION(0x3, "sd0", "d2"),
           MPP_FUNCTION(0x4, "spi1", "mosi")),
        MPP_MODE(52,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad13"),
           MPP_FUNCTION(0x2, "i2c1", "sck"),
           MPP_FUNCTION(0x3, "sd0", "d3"),
           MPP_FUNCTION(0x4, "spi1", "sck")),
        MPP_MODE(53,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ad14"),
           MPP_FUNCTION(0x2, "sd0", "clk"),
           MPP_FUNCTION(0x3, "tdm", "pclk"),
           MPP_FUNCTION(0x4, "spi0", "cs2"),
           MPP_FUNCTION(0x5, "pcie", "clkreq1")),
        MPP_MODE(54,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ad15"),
           MPP_FUNCTION(0x3, "tdm", "dtx")),
        MPP_MODE(55,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "cs1"),
           MPP_FUNCTION(0x2, "uart1", "txd"),
           MPP_FUNCTION(0x3, "tdm", "rst"),
           MPP_FUNCTION(0x4, "sata1", "prsnt"),
           MPP_FUNCTION(0x5, "sata0", "prsnt")),
        MPP_MODE(56,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "cs2"),
           MPP_FUNCTION(0x2, "uart1", "cts"),
           MPP_FUNCTION(0x3, "uart0", "cts"),
           MPP_FUNCTION(0x4, "spi0", "cs3"),
           MPP_FUNCTION(0x5, "pcie", "clkreq0"),
           MPP_FUNCTION(0x6, "spi1", "cs1")),
        MPP_MODE(57,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "cs3"),
           MPP_FUNCTION(0x2, "uart1", "rxd"),
           MPP_FUNCTION(0x3, "tdm", "fsync"),
           MPP_FUNCTION(0x4, "sata0", "prsnt"),
           MPP_FUNCTION(0x5, "audio", "sdo")),
        MPP_MODE(58,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "cs0"),
           MPP_FUNCTION(0x2, "uart1", "rts"),
           MPP_FUNCTION(0x3, "tdm", "int"),
           MPP_FUNCTION(0x5, "audio", "extclk"),
           MPP_FUNCTION(0x6, "uart0", "rts")),
        MPP_MODE(59,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "ale0"),
           MPP_FUNCTION(0x2, "uart1", "rts"),
           MPP_FUNCTION(0x3, "uart0", "rts"),
           MPP_FUNCTION(0x5, "audio", "bclk")),
        MPP_MODE(60,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "ale1"),
           MPP_FUNCTION(0x2, "uart1", "rxd"),
           MPP_FUNCTION(0x3, "sata0", "prsnt"),
           MPP_FUNCTION(0x4, "pcie", "rstout"),
           MPP_FUNCTION(0x5, "audio", "sdi")),
        MPP_MODE(61,
           MPP_FUNCTION(0x0, "gpo", NULL),
           MPP_FUNCTION(0x1, "dev", "we1"),
           MPP_FUNCTION(0x2, "uart1", "txd"),
           MPP_FUNCTION(0x5, "audio", "lrclk")),
        MPP_MODE(62,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "dev", "a2"),
           MPP_FUNCTION(0x2, "uart1", "cts"),
           MPP_FUNCTION(0x3, "tdm", "drx"),
           MPP_FUNCTION(0x4, "pcie", "clkreq0"),
           MPP_FUNCTION(0x5, "audio", "mclk"),
           MPP_FUNCTION(0x6, "uart0", "cts")),
        MPP_MODE(63,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "spi0", "sck"),
           MPP_FUNCTION(0x2, "tclk", NULL)),
        MPP_MODE(64,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "spi0", "miso"),
           MPP_FUNCTION(0x2, "spi0", "cs1")),
        MPP_MODE(65,
           MPP_FUNCTION(0x0, "gpio", NULL),
           MPP_FUNCTION(0x1, "spi0", "mosi"),
           MPP_FUNCTION(0x2, "spi0", "cs2")),
};

static struct mvebu_pinctrl_soc_info armada_370_pinctrl_info;

static const struct of_device_id armada_370_pinctrl_of_match[] = {
        { .compatible = "marvell,mv88f6710-pinctrl" },
        { },
};

static const struct mvebu_mpp_ctrl mv88f6710_mpp_controls[] = {
        MPP_FUNC_CTRL(0, 65, NULL, mvebu_mmio_mpp_ctrl),
};

static struct pinctrl_gpio_range mv88f6710_mpp_gpio_ranges[] = {
        MPP_GPIO_RANGE(0,   0,  0, 32),
        MPP_GPIO_RANGE(1,  32, 32, 32),
        MPP_GPIO_RANGE(2,  64, 64,  2),
};

static int armada_370_pinctrl_probe(struct platform_device *pdev)
{
        struct mvebu_pinctrl_soc_info *soc = &armada_370_pinctrl_info;

        soc->variant = 0; /* no variants for Armada 370 */
        soc->controls = mv88f6710_mpp_controls;
        soc->ncontrols = ARRAY_SIZE(mv88f6710_mpp_controls);
        soc->modes = mv88f6710_mpp_modes;
        soc->nmodes = ARRAY_SIZE(mv88f6710_mpp_modes);
        soc->gpioranges = mv88f6710_mpp_gpio_ranges;
        soc->ngpioranges = ARRAY_SIZE(mv88f6710_mpp_gpio_ranges);

        pdev->dev.platform_data = soc;

        return mvebu_pinctrl_simple_mmio_probe(pdev);
}

static struct platform_driver armada_370_pinctrl_driver = {
        .driver = {
                .name = "armada-370-pinctrl",
                .of_match_table = armada_370_pinctrl_of_match,
        },
        .probe = armada_370_pinctrl_probe,
};
builtin_platform_driver(armada_370_pinctrl_driver);