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/*
* Marvell Armada ap806 pinctrl driver based on mvebu pinctrl core
*
* Copyright (C) 2017 Marvell
*
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* Hanna Hawa <hannah@marvell.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>
#include "pinctrl-mvebu.h"
static struct mvebu_mpp_mode armada_ap806_mpp_modes[] = {
MPP_MODE(0,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "clk"),
MPP_FUNCTION(3, "spi0", "clk")),
MPP_MODE(1,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "cmd"),
MPP_FUNCTION(3, "spi0", "miso")),
MPP_MODE(2,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d0"),
MPP_FUNCTION(3, "spi0", "mosi")),
MPP_MODE(3,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d1"),
MPP_FUNCTION(3, "spi0", "cs0n")),
MPP_MODE(4,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d2"),
MPP_FUNCTION(3, "i2c0", "sda")),
MPP_MODE(5,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d3"),
MPP_FUNCTION(3, "i2c0", "sdk")),
MPP_MODE(6,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "ds")),
MPP_MODE(7,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d4"),
MPP_FUNCTION(3, "uart1", "rxd")),
MPP_MODE(8,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d5"),
MPP_FUNCTION(3, "uart1", "txd")),
MPP_MODE(9,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d6"),
MPP_FUNCTION(3, "spi0", "cs1n")),
MPP_MODE(10,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "d7")),
MPP_MODE(11,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(3, "uart0", "txd")),
MPP_MODE(12,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(1, "sdio", "pw_off"),
MPP_FUNCTION(2, "sdio", "hw_rst")),
MPP_MODE(13,
MPP_FUNCTION(0, "gpio", NULL)),
MPP_MODE(14,
MPP_FUNCTION(0, "gpio", NULL)),
MPP_MODE(15,
MPP_FUNCTION(0, "gpio", NULL)),
MPP_MODE(16,
MPP_FUNCTION(0, "gpio", NULL)),
MPP_MODE(17,
MPP_FUNCTION(0, "gpio", NULL)),
MPP_MODE(18,
MPP_FUNCTION(0, "gpio", NULL)),
MPP_MODE(19,
MPP_FUNCTION(0, "gpio", NULL),
MPP_FUNCTION(3, "uart0", "rxd"),
MPP_FUNCTION(4, "sdio", "pw_off")),
};
static struct mvebu_pinctrl_soc_info armada_ap806_pinctrl_info;
static const struct of_device_id armada_ap806_pinctrl_of_match[] = {
{
.compatible = "marvell,ap806-pinctrl",
},
{ },
};
static const struct mvebu_mpp_ctrl armada_ap806_mpp_controls[] = {
MPP_FUNC_CTRL(0, 19, NULL, mvebu_regmap_mpp_ctrl),
};
static struct pinctrl_gpio_range armada_ap806_mpp_gpio_ranges[] = {
MPP_GPIO_RANGE(0, 0, 0, 20),
};
static int armada_ap806_pinctrl_probe(struct platform_device *pdev)
{
struct mvebu_pinctrl_soc_info *soc = &armada_ap806_pinctrl_info;
const struct of_device_id *match =
of_match_device(armada_ap806_pinctrl_of_match, &pdev->dev);
if (!match || !pdev->dev.parent)
return -ENODEV;
soc->variant = 0; /* no variants for Armada AP806 */
soc->controls = armada_ap806_mpp_controls;
soc->ncontrols = ARRAY_SIZE(armada_ap806_mpp_controls);
soc->gpioranges = armada_ap806_mpp_gpio_ranges;
soc->ngpioranges = ARRAY_SIZE(armada_ap806_mpp_gpio_ranges);
soc->modes = armada_ap806_mpp_modes;
soc->nmodes = armada_ap806_mpp_controls[0].npins;
pdev->dev.platform_data = soc;
return mvebu_pinctrl_simple_regmap_probe(pdev, pdev->dev.parent, 0);
}
static struct platform_driver armada_ap806_pinctrl_driver = {
.driver = {
.name = "armada-ap806-pinctrl",
.of_match_table = of_match_ptr(armada_ap806_pinctrl_of_match),
},
.probe = armada_ap806_pinctrl_probe,
};
builtin_platform_driver(armada_ap806_pinctrl_driver);
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