drivers/pinctrl/mvebu/pinctrl-ac5.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Marvell ac5 pinctrl driver based on mvebu pinctrl core
   4  *
   5  * Copyright (C) 2021 Marvell
   6  *
   7  * Noam Liron <lnoam@marvell.com>
   8  */
   9
  10 #include <linux/err.h>
  11 #include <linux/init.h>
  12 #include <linux/io.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/of.h>
  15 #include <linux/pinctrl/pinctrl.h>
  16
  17 #include "pinctrl-mvebu.h"
  18
  19 static struct mvebu_mpp_mode ac5_mpp_modes[] = {
  20         MPP_MODE(0,
  21                  MPP_FUNCTION(0, "gpio",  NULL),
  22                  MPP_FUNCTION(1, "sdio",  "d0"),
  23                  MPP_FUNCTION(2, "nand",  "io4")),
  24         MPP_MODE(1,
  25                  MPP_FUNCTION(0, "gpio",  NULL),
  26                  MPP_FUNCTION(1, "sdio",  "d1"),
  27                  MPP_FUNCTION(2, "nand",  "io3")),
  28         MPP_MODE(2,
  29                  MPP_FUNCTION(0, "gpio",  NULL),
  30                  MPP_FUNCTION(1, "sdio",  "d2"),
  31                  MPP_FUNCTION(2, "nand",  "io2")),
  32         MPP_MODE(3,
  33                  MPP_FUNCTION(0, "gpio",  NULL),
  34                  MPP_FUNCTION(1, "sdio",  "d3"),
  35                  MPP_FUNCTION(2, "nand",  "io7")),
  36         MPP_MODE(4,
  37                  MPP_FUNCTION(0, "gpio",  NULL),
  38                  MPP_FUNCTION(1, "sdio",  "d4"),
  39                  MPP_FUNCTION(2, "nand",  "io6"),
  40                  MPP_FUNCTION(3, "uart3", "txd"),
  41                  MPP_FUNCTION(4, "uart2", "txd")),
  42         MPP_MODE(5,
  43                  MPP_FUNCTION(0, "gpio",  NULL),
  44                  MPP_FUNCTION(1, "sdio",  "d5"),
  45                  MPP_FUNCTION(2, "nand",  "io5"),
  46                  MPP_FUNCTION(3, "uart3", "rxd"),
  47                  MPP_FUNCTION(4, "uart2", "rxd")),
  48         MPP_MODE(6,
  49                  MPP_FUNCTION(0, "gpio",  NULL),
  50                  MPP_FUNCTION(1, "sdio",  "d6"),
  51                  MPP_FUNCTION(2, "nand",  "io0"),
  52                  MPP_FUNCTION(3, "i2c1",  "sck")),
  53         MPP_MODE(7,
  54                  MPP_FUNCTION(0, "gpio",  NULL),
  55                  MPP_FUNCTION(1, "sdio",  "d7"),
  56                  MPP_FUNCTION(2, "nand",  "io1"),
  57                  MPP_FUNCTION(3, "i2c1",  "sda")),
  58         MPP_MODE(8,
  59                  MPP_FUNCTION(0, "gpio",  NULL),
  60                  MPP_FUNCTION(1, "sdio",  "clk"),
  61                  MPP_FUNCTION(2, "nand",  "wen")),
  62         MPP_MODE(9,
  63                  MPP_FUNCTION(0, "gpio",  NULL),
  64                  MPP_FUNCTION(1, "sdio",  "cmd"),
  65                  MPP_FUNCTION(2, "nand",  "ale")),
  66         MPP_MODE(10,
  67                  MPP_FUNCTION(0, "gpio",  NULL),
  68                  MPP_FUNCTION(1, "sdio",  "ds"),
  69                  MPP_FUNCTION(2, "nand",  "cle")),
  70         MPP_MODE(11,
  71                  MPP_FUNCTION(0, "gpio",  NULL),
  72                  MPP_FUNCTION(1, "sdio",  "rst"),
  73                  MPP_FUNCTION(2, "nand",  "cen")),
  74         MPP_MODE(12,
  75                  MPP_FUNCTION(0, "gpio",  NULL),
  76                  MPP_FUNCTION(1, "spi0",  "clk")),
  77         MPP_MODE(13,
  78                  MPP_FUNCTION(0, "gpio",  NULL),
  79                  MPP_FUNCTION(1, "spi0",  "csn")),
  80         MPP_MODE(14,
  81                  MPP_FUNCTION(0, "gpio",  NULL),
  82                  MPP_FUNCTION(1, "spi0",  "mosi")),
  83         MPP_MODE(15,
  84                  MPP_FUNCTION(0, "gpio",  NULL),
  85                  MPP_FUNCTION(1, "spi0",  "miso")),
  86         MPP_MODE(16,
  87                  MPP_FUNCTION(0, "gpio",  NULL),
  88                  MPP_FUNCTION(1, "spi0",  "wpn"),
  89                  MPP_FUNCTION(2, "nand",  "ren"),
  90                  MPP_FUNCTION(3, "uart1", "txd")),
  91         MPP_MODE(17,
  92                  MPP_FUNCTION(0, "gpio",  NULL),
  93                  MPP_FUNCTION(1, "spi0",  "hold"),
  94                  MPP_FUNCTION(2, "nand",  "rb"),
  95                  MPP_FUNCTION(3, "uart1", "rxd")),
  96         MPP_MODE(18,
  97                  MPP_FUNCTION(0, "gpio",  NULL),
  98                  MPP_FUNCTION(1, "tsen_int", NULL),
  99                  MPP_FUNCTION(2, "uart2", "rxd"),
 100                  MPP_FUNCTION(3, "wd_int", NULL)),
 101         MPP_MODE(19,
 102                  MPP_FUNCTION(0, "gpio",  NULL),
 103                  MPP_FUNCTION(1, "dev_init_done", NULL),
 104                  MPP_FUNCTION(2, "uart2", "txd")),
 105         MPP_MODE(20,
 106                  MPP_FUNCTION(0, "gpio",  NULL),
 107                  MPP_FUNCTION(2, "i2c1",  "sck"),
 108                  MPP_FUNCTION(3, "spi1",  "clk"),
 109                  MPP_FUNCTION(4, "uart3", "txd")),
 110         MPP_MODE(21,
 111                  MPP_FUNCTION(0, "gpio",  NULL),
 112                  MPP_FUNCTION(2, "i2c1",  "sda"),
 113                  MPP_FUNCTION(3, "spi1",  "csn"),
 114                  MPP_FUNCTION(4, "uart3", "rxd")),
 115         MPP_MODE(22,
 116                  MPP_FUNCTION(0, "gpio",  NULL),
 117                  MPP_FUNCTION(3, "spi1",  "mosi")),
 118         MPP_MODE(23,
 119                  MPP_FUNCTION(0, "gpio",  NULL),
 120                  MPP_FUNCTION(3, "spi1",  "miso")),
 121         MPP_MODE(24,
 122                  MPP_FUNCTION(0, "gpio",  NULL),
 123                  MPP_FUNCTION(1, "wd_int", NULL),
 124                  MPP_FUNCTION(2, "uart2", "txd"),
 125                  MPP_FUNCTION(3, "uartsd", "txd")),
 126         MPP_MODE(25,
 127                  MPP_FUNCTION(0, "gpio",  NULL),
 128                  MPP_FUNCTION(1, "int_out", NULL),
 129                  MPP_FUNCTION(2, "uart2", "rxd"),
 130                  MPP_FUNCTION(3, "uartsd", "rxd")),
 131         MPP_MODE(26,
 132                  MPP_FUNCTION(0, "gpio",  NULL),
 133                  MPP_FUNCTION(1, "i2c0",  "sck"),
 134                  MPP_FUNCTION(2, "ptp", "clk1"),
 135                  MPP_FUNCTION(3, "uart3", "txd")),
 136         MPP_MODE(27,
 137                  MPP_FUNCTION(0, "gpio",  NULL),
 138                  MPP_FUNCTION(1, "i2c0",  "sda"),
 139                  MPP_FUNCTION(2, "ptp", "pulse"),
 140                  MPP_FUNCTION(3, "uart3", "rxd")),
 141         MPP_MODE(28,
 142                  MPP_FUNCTION(0, "gpio",  NULL),
 143                  MPP_FUNCTION(1, "xg", "mdio"),
 144                  MPP_FUNCTION(2, "ge", "mdio"),
 145                  MPP_FUNCTION(3, "uart3", "txd")),
 146         MPP_MODE(29,
 147                  MPP_FUNCTION(0, "gpio",  NULL),
 148                  MPP_FUNCTION(1, "xg", "mdio"),
 149                  MPP_FUNCTION(2, "ge", "mdio"),
 150                  MPP_FUNCTION(3, "uart3", "rxd")),
 151         MPP_MODE(30,
 152                  MPP_FUNCTION(0, "gpio",  NULL),
 153                  MPP_FUNCTION(1, "xg", "mdio"),
 154                  MPP_FUNCTION(2, "ge", "mdio"),
 155                  MPP_FUNCTION(3, "ge", "mdio")),
 156         MPP_MODE(31,
 157                  MPP_FUNCTION(0, "gpio",  NULL),
 158                  MPP_FUNCTION(1, "xg", "mdio"),
 159                  MPP_FUNCTION(2, "ge", "mdio"),
 160                  MPP_FUNCTION(3, "ge", "mdio")),
 161         MPP_MODE(32,
 162                  MPP_FUNCTION(0, "gpio",  NULL),
 163                  MPP_FUNCTION(1, "uart0", "txd")),
 164         MPP_MODE(33,
 165                  MPP_FUNCTION(0, "gpio",  NULL),
 166                  MPP_FUNCTION(1, "uart0", "rxd"),
 167                  MPP_FUNCTION(2, "ptp", "clk1"),
 168                  MPP_FUNCTION(3, "ptp", "pulse")),
 169         MPP_MODE(34,
 170                  MPP_FUNCTION(0, "gpio",  NULL),
 171                  MPP_FUNCTION(1, "ge", "mdio"),
 172                  MPP_FUNCTION(2, "uart3", "rxd")),
 173         MPP_MODE(35,
 174                  MPP_FUNCTION(0, "gpio",  NULL),
 175                  MPP_FUNCTION(1, "ge", "mdio"),
 176                  MPP_FUNCTION(2, "uart3", "txd"),
 177                  MPP_FUNCTION(3, "pcie", "rstoutn")),
 178         MPP_MODE(36,
 179                  MPP_FUNCTION(0, "gpio",  NULL),
 180                  MPP_FUNCTION(1, "ptp", "clk0_tp"),
 181                  MPP_FUNCTION(2, "ptp", "clk1_tp")),
 182         MPP_MODE(37,
 183                  MPP_FUNCTION(0, "gpio",  NULL),
 184                  MPP_FUNCTION(1, "ptp", "pulse_tp"),
 185                  MPP_FUNCTION(2, "wd_int", NULL)),
 186         MPP_MODE(38,
 187                  MPP_FUNCTION(0, "gpio",  NULL),
 188                  MPP_FUNCTION(1, "synce", "clk_out0")),
 189         MPP_MODE(39,
 190                  MPP_FUNCTION(0, "gpio",  NULL),
 191                  MPP_FUNCTION(1, "synce", "clk_out1")),
 192         MPP_MODE(40,
 193                  MPP_FUNCTION(0, "gpio",  NULL),
 194                  MPP_FUNCTION(1, "ptp", "pclk_out0"),
 195                  MPP_FUNCTION(2, "ptp", "pclk_out1")),
 196         MPP_MODE(41,
 197                  MPP_FUNCTION(0, "gpio",  NULL),
 198                  MPP_FUNCTION(1, "ptp", "ref_clk"),
 199                  MPP_FUNCTION(2, "ptp", "clk1"),
 200                  MPP_FUNCTION(3, "ptp", "pulse"),
 201                  MPP_FUNCTION(4, "uart2", "txd"),
 202                  MPP_FUNCTION(5, "i2c1",  "sck")),
 203         MPP_MODE(42,
 204                  MPP_FUNCTION(0, "gpio",  NULL),
 205                  MPP_FUNCTION(1, "ptp", "clk0"),
 206                  MPP_FUNCTION(2, "ptp", "clk1"),
 207                  MPP_FUNCTION(3, "ptp", "pulse"),
 208                  MPP_FUNCTION(4, "uart2", "rxd"),
 209                  MPP_FUNCTION(5, "i2c1",  "sda")),
 210         MPP_MODE(43,
 211                  MPP_FUNCTION(0, "gpio",  NULL),
 212                  MPP_FUNCTION(1, "led", "clk")),
 213         MPP_MODE(44,
 214                  MPP_FUNCTION(0, "gpio",  NULL),
 215                  MPP_FUNCTION(1, "led", "stb")),
 216         MPP_MODE(45,
 217                  MPP_FUNCTION(0, "gpio",  NULL),
 218                  MPP_FUNCTION(1, "led", "data")),
 219 };
 220
 221 static struct mvebu_pinctrl_soc_info ac5_pinctrl_info;
 222
 223 static const struct of_device_id ac5_pinctrl_of_match[] = {
 224         {
 225                 .compatible = "marvell,ac5-pinctrl",
 226         },
 227         { },
 228 };
 229
 230 static const struct mvebu_mpp_ctrl ac5_mpp_controls[] = {
 231         MPP_FUNC_CTRL(0, 45, NULL, mvebu_mmio_mpp_ctrl), };
 232
 233 static struct pinctrl_gpio_range ac5_mpp_gpio_ranges[] = {
 234         MPP_GPIO_RANGE(0,   0,  0, 46), };
 235
 236 static int ac5_pinctrl_probe(struct platform_device *pdev)
 237 {
 238         struct mvebu_pinctrl_soc_info *soc = &ac5_pinctrl_info;
 239
 240         soc->variant = 0; /* no variants for ac5 */
 241         soc->controls = ac5_mpp_controls;
 242         soc->ncontrols = ARRAY_SIZE(ac5_mpp_controls);
 243         soc->gpioranges = ac5_mpp_gpio_ranges;
 244         soc->ngpioranges = ARRAY_SIZE(ac5_mpp_gpio_ranges);
 245         soc->modes = ac5_mpp_modes;
 246         soc->nmodes = ac5_mpp_controls[0].npins;
 247
 248         pdev->dev.platform_data = soc;
 249
 250         return mvebu_pinctrl_simple_mmio_probe(pdev);
 251 }
 252
 253 static struct platform_driver ac5_pinctrl_driver = {
 254         .driver = {
 255                 .name = "ac5-pinctrl",
 256                 .of_match_table = of_match_ptr(ac5_pinctrl_of_match),
 257         },
 258         .probe = ac5_pinctrl_probe,
 259 };
 260 builtin_platform_driver(ac5_pinctrl_driver);