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