pinctrl-armada-ap806.c (3958B)
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Marvell Armada ap806 pinctrl driver based on mvebu pinctrl core 4 * 5 * Copyright (C) 2017 Marvell 6 * 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/of_device.h> 17#include <linux/pinctrl/pinctrl.h> 18 19#include "pinctrl-mvebu.h" 20 21static struct mvebu_mpp_mode armada_ap806_mpp_modes[] = { 22 MPP_MODE(0, 23 MPP_FUNCTION(0, "gpio", NULL), 24 MPP_FUNCTION(1, "sdio", "clk"), 25 MPP_FUNCTION(3, "spi0", "clk")), 26 MPP_MODE(1, 27 MPP_FUNCTION(0, "gpio", NULL), 28 MPP_FUNCTION(1, "sdio", "cmd"), 29 MPP_FUNCTION(3, "spi0", "miso")), 30 MPP_MODE(2, 31 MPP_FUNCTION(0, "gpio", NULL), 32 MPP_FUNCTION(1, "sdio", "d0"), 33 MPP_FUNCTION(3, "spi0", "mosi")), 34 MPP_MODE(3, 35 MPP_FUNCTION(0, "gpio", NULL), 36 MPP_FUNCTION(1, "sdio", "d1"), 37 MPP_FUNCTION(3, "spi0", "cs0n")), 38 MPP_MODE(4, 39 MPP_FUNCTION(0, "gpio", NULL), 40 MPP_FUNCTION(1, "sdio", "d2"), 41 MPP_FUNCTION(3, "i2c0", "sda")), 42 MPP_MODE(5, 43 MPP_FUNCTION(0, "gpio", NULL), 44 MPP_FUNCTION(1, "sdio", "d3"), 45 MPP_FUNCTION(3, "i2c0", "sdk")), 46 MPP_MODE(6, 47 MPP_FUNCTION(0, "gpio", NULL), 48 MPP_FUNCTION(1, "sdio", "ds")), 49 MPP_MODE(7, 50 MPP_FUNCTION(0, "gpio", NULL), 51 MPP_FUNCTION(1, "sdio", "d4"), 52 MPP_FUNCTION(3, "uart1", "rxd")), 53 MPP_MODE(8, 54 MPP_FUNCTION(0, "gpio", NULL), 55 MPP_FUNCTION(1, "sdio", "d5"), 56 MPP_FUNCTION(3, "uart1", "txd")), 57 MPP_MODE(9, 58 MPP_FUNCTION(0, "gpio", NULL), 59 MPP_FUNCTION(1, "sdio", "d6"), 60 MPP_FUNCTION(3, "spi0", "cs1n")), 61 MPP_MODE(10, 62 MPP_FUNCTION(0, "gpio", NULL), 63 MPP_FUNCTION(1, "sdio", "d7")), 64 MPP_MODE(11, 65 MPP_FUNCTION(0, "gpio", NULL), 66 MPP_FUNCTION(3, "uart0", "txd")), 67 MPP_MODE(12, 68 MPP_FUNCTION(0, "gpio", NULL), 69 MPP_FUNCTION(1, "sdio", "pw_off"), 70 MPP_FUNCTION(2, "sdio", "hw_rst")), 71 MPP_MODE(13, 72 MPP_FUNCTION(0, "gpio", NULL)), 73 MPP_MODE(14, 74 MPP_FUNCTION(0, "gpio", NULL)), 75 MPP_MODE(15, 76 MPP_FUNCTION(0, "gpio", NULL)), 77 MPP_MODE(16, 78 MPP_FUNCTION(0, "gpio", NULL)), 79 MPP_MODE(17, 80 MPP_FUNCTION(0, "gpio", NULL)), 81 MPP_MODE(18, 82 MPP_FUNCTION(0, "gpio", NULL)), 83 MPP_MODE(19, 84 MPP_FUNCTION(0, "gpio", NULL), 85 MPP_FUNCTION(3, "uart0", "rxd"), 86 MPP_FUNCTION(4, "sdio", "pw_off")), 87}; 88 89static struct mvebu_pinctrl_soc_info armada_ap806_pinctrl_info; 90 91static const struct of_device_id armada_ap806_pinctrl_of_match[] = { 92 { 93 .compatible = "marvell,ap806-pinctrl", 94 }, 95 { }, 96}; 97 98static const struct mvebu_mpp_ctrl armada_ap806_mpp_controls[] = { 99 MPP_FUNC_CTRL(0, 19, NULL, mvebu_regmap_mpp_ctrl), 100}; 101 102static struct pinctrl_gpio_range armada_ap806_mpp_gpio_ranges[] = { 103 MPP_GPIO_RANGE(0, 0, 0, 20), 104}; 105 106static int armada_ap806_pinctrl_probe(struct platform_device *pdev) 107{ 108 struct mvebu_pinctrl_soc_info *soc = &armada_ap806_pinctrl_info; 109 const struct of_device_id *match = 110 of_match_device(armada_ap806_pinctrl_of_match, &pdev->dev); 111 112 if (!match || !pdev->dev.parent) 113 return -ENODEV; 114 115 soc->variant = 0; /* no variants for Armada AP806 */ 116 soc->controls = armada_ap806_mpp_controls; 117 soc->ncontrols = ARRAY_SIZE(armada_ap806_mpp_controls); 118 soc->gpioranges = armada_ap806_mpp_gpio_ranges; 119 soc->ngpioranges = ARRAY_SIZE(armada_ap806_mpp_gpio_ranges); 120 soc->modes = armada_ap806_mpp_modes; 121 soc->nmodes = armada_ap806_mpp_controls[0].npins; 122 123 pdev->dev.platform_data = soc; 124 125 return mvebu_pinctrl_simple_regmap_probe(pdev, pdev->dev.parent, 0); 126} 127 128static struct platform_driver armada_ap806_pinctrl_driver = { 129 .driver = { 130 .name = "armada-ap806-pinctrl", 131 .of_match_table = of_match_ptr(armada_ap806_pinctrl_of_match), 132 }, 133 .probe = armada_ap806_pinctrl_probe, 134}; 135 136builtin_platform_driver(armada_ap806_pinctrl_driver);