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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Marvell Armada ap806 pinctrl driver based on mvebu pinctrl core4 *5 * Copyright (C) 2017 Marvell6 *7 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>8 * Hanna Hawa <hannah@marvell.com>9 */10 11#include <linux/err.h>12#include <linux/init.h>13#include <linux/io.h>14#include <linux/platform_device.h>15#include <linux/of.h>16#include <linux/pinctrl/pinctrl.h>17 18#include "pinctrl-mvebu.h"19 20static struct mvebu_mpp_mode armada_ap806_mpp_modes[] = {21 MPP_MODE(0,22 MPP_FUNCTION(0, "gpio", NULL),23 MPP_FUNCTION(1, "sdio", "clk"),24 MPP_FUNCTION(3, "spi0", "clk")),25 MPP_MODE(1,26 MPP_FUNCTION(0, "gpio", NULL),27 MPP_FUNCTION(1, "sdio", "cmd"),28 MPP_FUNCTION(3, "spi0", "miso")),29 MPP_MODE(2,30 MPP_FUNCTION(0, "gpio", NULL),31 MPP_FUNCTION(1, "sdio", "d0"),32 MPP_FUNCTION(3, "spi0", "mosi")),33 MPP_MODE(3,34 MPP_FUNCTION(0, "gpio", NULL),35 MPP_FUNCTION(1, "sdio", "d1"),36 MPP_FUNCTION(3, "spi0", "cs0n")),37 MPP_MODE(4,38 MPP_FUNCTION(0, "gpio", NULL),39 MPP_FUNCTION(1, "sdio", "d2"),40 MPP_FUNCTION(3, "i2c0", "sda")),41 MPP_MODE(5,42 MPP_FUNCTION(0, "gpio", NULL),43 MPP_FUNCTION(1, "sdio", "d3"),44 MPP_FUNCTION(3, "i2c0", "sdk")),45 MPP_MODE(6,46 MPP_FUNCTION(0, "gpio", NULL),47 MPP_FUNCTION(1, "sdio", "ds")),48 MPP_MODE(7,49 MPP_FUNCTION(0, "gpio", NULL),50 MPP_FUNCTION(1, "sdio", "d4"),51 MPP_FUNCTION(3, "uart1", "rxd")),52 MPP_MODE(8,53 MPP_FUNCTION(0, "gpio", NULL),54 MPP_FUNCTION(1, "sdio", "d5"),55 MPP_FUNCTION(3, "uart1", "txd")),56 MPP_MODE(9,57 MPP_FUNCTION(0, "gpio", NULL),58 MPP_FUNCTION(1, "sdio", "d6"),59 MPP_FUNCTION(3, "spi0", "cs1n")),60 MPP_MODE(10,61 MPP_FUNCTION(0, "gpio", NULL),62 MPP_FUNCTION(1, "sdio", "d7")),63 MPP_MODE(11,64 MPP_FUNCTION(0, "gpio", NULL),65 MPP_FUNCTION(3, "uart0", "txd")),66 MPP_MODE(12,67 MPP_FUNCTION(0, "gpio", NULL),68 MPP_FUNCTION(1, "sdio", "pw_off"),69 MPP_FUNCTION(2, "sdio", "hw_rst")),70 MPP_MODE(13,71 MPP_FUNCTION(0, "gpio", NULL)),72 MPP_MODE(14,73 MPP_FUNCTION(0, "gpio", NULL)),74 MPP_MODE(15,75 MPP_FUNCTION(0, "gpio", NULL)),76 MPP_MODE(16,77 MPP_FUNCTION(0, "gpio", NULL)),78 MPP_MODE(17,79 MPP_FUNCTION(0, "gpio", NULL)),80 MPP_MODE(18,81 MPP_FUNCTION(0, "gpio", NULL)),82 MPP_MODE(19,83 MPP_FUNCTION(0, "gpio", NULL),84 MPP_FUNCTION(3, "uart0", "rxd"),85 MPP_FUNCTION(4, "sdio", "pw_off")),86};87 88static struct mvebu_pinctrl_soc_info armada_ap806_pinctrl_info;89 90static const struct of_device_id armada_ap806_pinctrl_of_match[] = {91 {92 .compatible = "marvell,ap806-pinctrl",93 },94 { },95};96 97static const struct mvebu_mpp_ctrl armada_ap806_mpp_controls[] = {98 MPP_FUNC_CTRL(0, 19, NULL, mvebu_regmap_mpp_ctrl),99};100 101static struct pinctrl_gpio_range armada_ap806_mpp_gpio_ranges[] = {102 MPP_GPIO_RANGE(0, 0, 0, 20),103};104 105static int armada_ap806_pinctrl_probe(struct platform_device *pdev)106{107 struct mvebu_pinctrl_soc_info *soc = &armada_ap806_pinctrl_info;108 109 if (!pdev->dev.parent)110 return -ENODEV;111 112 soc->variant = 0; /* no variants for Armada AP806 */113 soc->controls = armada_ap806_mpp_controls;114 soc->ncontrols = ARRAY_SIZE(armada_ap806_mpp_controls);115 soc->gpioranges = armada_ap806_mpp_gpio_ranges;116 soc->ngpioranges = ARRAY_SIZE(armada_ap806_mpp_gpio_ranges);117 soc->modes = armada_ap806_mpp_modes;118 soc->nmodes = armada_ap806_mpp_controls[0].npins;119 120 pdev->dev.platform_data = soc;121 122 return mvebu_pinctrl_simple_regmap_probe(pdev, pdev->dev.parent, 0);123}124 125static struct platform_driver armada_ap806_pinctrl_driver = {126 .driver = {127 .name = "armada-ap806-pinctrl",128 .of_match_table = of_match_ptr(armada_ap806_pinctrl_of_match),129 },130 .probe = armada_ap806_pinctrl_probe,131};132 133builtin_platform_driver(armada_ap806_pinctrl_driver);134