drivers/pinctrl/berlin/berlin-bg2.c

   1 /*
   2  * Marvell Berlin BG2 pinctrl driver.
   3  *
   4  * Copyright (C) 2014 Marvell Technology Group Ltd.
   5  *
   6  * Antoine Ténart <antoine.tenart@free-electrons.com>
   7  *
   8  * This file is licensed under the terms of the GNU General Public
   9  * License version 2. This program is licensed "as is" without any
  10  * warranty of any kind, whether express or implied.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/of_device.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/regmap.h>
  17
  18 #include "berlin.h"
  19
  20 static const struct berlin_desc_group berlin2_soc_pinctrl_groups[] = {
  21         /* G */
  22         BERLIN_PINCTRL_GROUP("G0", 0x00, 0x1, 0x00,
  23                 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS0n */
  24                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  25         BERLIN_PINCTRL_GROUP("G1", 0x00, 0x2, 0x01,
  26                 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS1n */
  27                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
  28                 BERLIN_PINCTRL_FUNCTION(0x2, "usb1")),
  29         BERLIN_PINCTRL_GROUP("G2", 0x00, 0x2, 0x02,
  30                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  31                 BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS2n */
  32                 BERLIN_PINCTRL_FUNCTION(0x2, "pwm"),
  33                 BERLIN_PINCTRL_FUNCTION(0x3, "i2s0")),
  34         BERLIN_PINCTRL_GROUP("G3", 0x00, 0x2, 0x04,
  35                 BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
  36                 BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS3n */
  37                 BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
  38                 BERLIN_PINCTRL_FUNCTION(0x3, "i2s1")),
  39         BERLIN_PINCTRL_GROUP("G4", 0x00, 0x2, 0x06,
  40                 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* CLK/SDI/SDO */
  41                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
  42                 BERLIN_PINCTRL_FUNCTION(0x2, "pwm")),
  43         BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x08,
  44                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  45                 BERLIN_PINCTRL_FUNCTION(0x1, "sts1"),
  46                 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
  47                 /*
  48                  * Mode 0x3 mux i2s2 mclk *and* i2s3 mclk:
  49                  * add two functions so it can be used with other groups
  50                  * within the same subnode in the device tree
  51                  */
  52                 BERLIN_PINCTRL_FUNCTION(0x3, "i2s2"),
  53                 BERLIN_PINCTRL_FUNCTION(0x3, "i2s3")),
  54         BERLIN_PINCTRL_GROUP("G6", 0x00, 0x2, 0x0b,
  55                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  56                 BERLIN_PINCTRL_FUNCTION(0x1, "sts0"),
  57                 BERLIN_PINCTRL_FUNCTION(0x2, "et")),
  58         BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x0d,
  59                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  60                 BERLIN_PINCTRL_FUNCTION(0x1, "sts0"),
  61                 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
  62                 BERLIN_PINCTRL_FUNCTION(0x3, "vdac")),
  63         BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x10,
  64                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  65                 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
  66                 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
  67                 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
  68                 BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"),
  69                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  70         BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x13,
  71                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  72                 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
  73                 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
  74                 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
  75                 BERLIN_PINCTRL_FUNCTION(0x4, "sata_dbg"),
  76                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  77         BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x16,
  78                 BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
  79                 BERLIN_PINCTRL_FUNCTION(0x1, "twsi0"),
  80                 BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
  81                 BERLIN_PINCTRL_FUNCTION(0x3, "ptp")),
  82         BERLIN_PINCTRL_GROUP("G11", 0x00, 0x2, 0x18,
  83                 BERLIN_PINCTRL_FUNCTION(0x0, "soc"),
  84                 BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"),
  85                 BERLIN_PINCTRL_FUNCTION(0x2, "gpio"),
  86                 BERLIN_PINCTRL_FUNCTION(0x3, "eddc")),
  87         BERLIN_PINCTRL_GROUP("G12", 0x00, 0x3, 0x1a,
  88                 BERLIN_PINCTRL_FUNCTION(0x0, "sts2"),
  89                 BERLIN_PINCTRL_FUNCTION(0x1, "sata"),
  90                 BERLIN_PINCTRL_FUNCTION(0x2, "sd1"),
  91                 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
  92                 BERLIN_PINCTRL_FUNCTION(0x4, "sts1"),
  93                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  94         BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x00,
  95                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  96                 BERLIN_PINCTRL_FUNCTION(0x1, "sata"),
  97                 BERLIN_PINCTRL_FUNCTION(0x2, "sd1"),
  98                 BERLIN_PINCTRL_FUNCTION(0x3, "usb0_dbg"),
  99                 BERLIN_PINCTRL_FUNCTION(0x4, "sts1"),
 100                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
 101         BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x03,
 102                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 103         BERLIN_PINCTRL_GROUP("G15", 0x04, 0x2, 0x04,
 104                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 105                 BERLIN_PINCTRL_FUNCTION(0x2, "et"),
 106                 BERLIN_PINCTRL_FUNCTION(0x3, "osco")),
 107         BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x06,
 108                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 109                 BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
 110                 BERLIN_PINCTRL_FUNCTION(0x2, "fp")),
 111         BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x09,
 112                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 113                 BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
 114                 BERLIN_PINCTRL_FUNCTION(0x2, "fp")),
 115         BERLIN_PINCTRL_GROUP("G18", 0x04, 0x1, 0x0c,
 116                 BERLIN_PINCTRL_FUNCTION(0x0, "pll"),
 117                 BERLIN_PINCTRL_FUNCTION(0x1, "i2s0")),
 118         BERLIN_PINCTRL_GROUP("G19", 0x04, 0x1, 0x0d,
 119                 BERLIN_PINCTRL_FUNCTION(0x0, "i2s0"),
 120                 BERLIN_PINCTRL_FUNCTION(0x1, "pwm")),
 121         BERLIN_PINCTRL_GROUP("G20", 0x04, 0x1, 0x0e,
 122                 BERLIN_PINCTRL_FUNCTION(0x0, "spdif"),
 123                 BERLIN_PINCTRL_FUNCTION(0x1, "arc")),
 124         BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x0f,
 125                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 126                 BERLIN_PINCTRL_FUNCTION(0x1, "dvio"),
 127                 BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
 128                 BERLIN_PINCTRL_FUNCTION(0x3, "adac_dbg"),
 129                 BERLIN_PINCTRL_FUNCTION(0x4, "pdm_a"),  /* gpio17..19,pdm */
 130                 BERLIN_PINCTRL_FUNCTION(0x7, "pdm_b")), /* gpio12..14,pdm */
 131         BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x12,
 132                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 133                 BERLIN_PINCTRL_FUNCTION(0x1, "dv0"),
 134                 BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
 135                 BERLIN_PINCTRL_FUNCTION(0x3, "twsi0"),
 136                 BERLIN_PINCTRL_FUNCTION(0x4, "pwm")),
 137         BERLIN_PINCTRL_GROUP("G23", 0x04, 0x3, 0x15,
 138                 BERLIN_PINCTRL_FUNCTION(0x0, "vclki"),
 139                 BERLIN_PINCTRL_FUNCTION(0x1, "dv0"),
 140                 BERLIN_PINCTRL_FUNCTION(0x2, "fp"),
 141                 BERLIN_PINCTRL_FUNCTION(0x3, "i2s0"),
 142                 BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
 143                 BERLIN_PINCTRL_FUNCTION(0x7, "pdm")),
 144         BERLIN_PINCTRL_GROUP("G24", 0x04, 0x2, 0x18,
 145                 BERLIN_PINCTRL_FUNCTION(0x0, "i2s2"),
 146                 BERLIN_PINCTRL_FUNCTION(0x1, "i2s1")),
 147         BERLIN_PINCTRL_GROUP("G25", 0x04, 0x2, 0x1a,
 148                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 149                 BERLIN_PINCTRL_FUNCTION(0x1, "nand"),
 150                 BERLIN_PINCTRL_FUNCTION(0x2, "i2s2")),
 151         BERLIN_PINCTRL_GROUP("G26", 0x04, 0x1, 0x1c,
 152                 BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
 153                 BERLIN_PINCTRL_FUNCTION(0x1, "emmc")),
 154         BERLIN_PINCTRL_GROUP("G27", 0x04, 0x1, 0x1d,
 155                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 156                 BERLIN_PINCTRL_FUNCTION(0x1, "nand")),
 157         BERLIN_PINCTRL_GROUP("G28", 0x04, 0x2, 0x1e,
 158                 BERLIN_PINCTRL_FUNCTION(0x0, "dvo"),
 159                 BERLIN_PINCTRL_FUNCTION(0x2, "sp")),
 160 };
 161
 162 static const struct berlin_desc_group berlin2_sysmgr_pinctrl_groups[] = {
 163         /* GSM */
 164         BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
 165                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 166                 BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), /* SS0n */
 167                 BERLIN_PINCTRL_FUNCTION(0x2, "eth1")),
 168         BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
 169                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 170                 BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), /* SS1n */
 171                 BERLIN_PINCTRL_FUNCTION(0x2, "eth1")),
 172         BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
 173                 BERLIN_PINCTRL_FUNCTION(0x0, "twsi2"),
 174                 BERLIN_PINCTRL_FUNCTION(0x1, "spi2")), /* SS2n/SS3n */
 175         BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
 176                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 177                 BERLIN_PINCTRL_FUNCTION(0x1, "uart0"),  /* CTS/RTS */
 178                 BERLIN_PINCTRL_FUNCTION(0x2, "uart2"),  /* RX/TX */
 179                 BERLIN_PINCTRL_FUNCTION(0x3, "twsi2")),
 180         BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
 181                 BERLIN_PINCTRL_FUNCTION(0x0, "uart0"),  /* RX/TX */
 182                 BERLIN_PINCTRL_FUNCTION(0x1, "irda0")),
 183         BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
 184                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 185                 BERLIN_PINCTRL_FUNCTION(0x1, "uart1"),  /* RX/TX */
 186                 BERLIN_PINCTRL_FUNCTION(0x2, "irda1"),
 187                 BERLIN_PINCTRL_FUNCTION(0x3, "twsi3")),
 188         BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
 189                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 190                 BERLIN_PINCTRL_FUNCTION(0x1, "spi2"), /* CLK/SDO */
 191                 BERLIN_PINCTRL_FUNCTION(0x1, "clki")),
 192         BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
 193                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 194                 BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")),
 195         BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
 196                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 197                 BERLIN_PINCTRL_FUNCTION(0x1, "hdmi")),
 198         BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
 199                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 200                 BERLIN_PINCTRL_FUNCTION(0x1, "led")),
 201         BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
 202                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 203                 BERLIN_PINCTRL_FUNCTION(0x1, "led")),
 204         BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
 205                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
 206                 BERLIN_PINCTRL_FUNCTION(0x1, "led")),
 207 };
 208
 209 static const struct berlin_pinctrl_desc berlin2_soc_pinctrl_data = {
 210         .groups = berlin2_soc_pinctrl_groups,
 211         .ngroups = ARRAY_SIZE(berlin2_soc_pinctrl_groups),
 212 };
 213
 214 static const struct berlin_pinctrl_desc berlin2_sysmgr_pinctrl_data = {
 215         .groups = berlin2_sysmgr_pinctrl_groups,
 216         .ngroups = ARRAY_SIZE(berlin2_sysmgr_pinctrl_groups),
 217 };
 218
 219 static const struct of_device_id berlin2_pinctrl_match[] = {
 220         {
 221                 .compatible = "marvell,berlin2-soc-pinctrl",
 222                 .data = &berlin2_soc_pinctrl_data
 223         },
 224         {
 225                 .compatible = "marvell,berlin2-system-pinctrl",
 226                 .data = &berlin2_sysmgr_pinctrl_data
 227         },
 228         {}
 229 };
 230 MODULE_DEVICE_TABLE(of, berlin2_pinctrl_match);
 231
 232 static int berlin2_pinctrl_probe(struct platform_device *pdev)
 233 {
 234         const struct of_device_id *match =
 235                 of_match_device(berlin2_pinctrl_match, &pdev->dev);
 236
 237         return berlin_pinctrl_probe(pdev, match->data);
 238 }
 239
 240 static struct platform_driver berlin2_pinctrl_driver = {
 241         .probe  = berlin2_pinctrl_probe,
 242         .driver = {
 243                 .name = "berlin-bg2-pinctrl",
 244                 .of_match_table = berlin2_pinctrl_match,
 245         },
 246 };
 247 module_platform_driver(berlin2_pinctrl_driver);
 248
 249 MODULE_AUTHOR("Antoine Ténart <antoine.tenart@free-electrons.com>");
 250 MODULE_DESCRIPTION("Marvell Berlin BG2 pinctrl driver");
 251 MODULE_LICENSE("GPL");