drivers/pinctrl/berlin/berlin-bg2cd.c

   1 /*
   2  * Marvell Berlin BG2CD 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/init.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 berlin2cd_soc_pinctrl_groups[] = {
  21         /* G */
  22         BERLIN_PINCTRL_GROUP("G0", 0x00, 0x3, 0x00,
  23                 BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
  24                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio"),
  25                 BERLIN_PINCTRL_FUNCTION(0x2, "led"),
  26                 BERLIN_PINCTRL_FUNCTION(0x3, "pwm")),
  27         BERLIN_PINCTRL_GROUP("G1", 0x00, 0x3, 0x03,
  28                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  29                 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
  30                 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
  31                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  32         BERLIN_PINCTRL_GROUP("G2", 0x00, 0x3, 0x06,
  33                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  34                 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
  35                 BERLIN_PINCTRL_FUNCTION(0x2, "fe"),
  36                 BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
  37                 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
  38                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  39         BERLIN_PINCTRL_GROUP("G3", 0x00, 0x3, 0x09,
  40                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  41                 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
  42                 BERLIN_PINCTRL_FUNCTION(0x2, "twsi2"),
  43                 BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
  44                 BERLIN_PINCTRL_FUNCTION(0x4, "fe"),
  45                 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
  46                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  47         BERLIN_PINCTRL_GROUP("G4", 0x00, 0x3, 0x0c,
  48                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  49                 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
  50                 BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
  51                 BERLIN_PINCTRL_FUNCTION(0x3, "pll"),
  52                 BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
  53                 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
  54                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  55         BERLIN_PINCTRL_GROUP("G5", 0x00, 0x3, 0x0f,
  56                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  57                 BERLIN_PINCTRL_FUNCTION(0x1, "sd0"),
  58                 BERLIN_PINCTRL_FUNCTION(0x2, "twsi3"),
  59                 BERLIN_PINCTRL_FUNCTION(0x3, "arc"),
  60                 BERLIN_PINCTRL_FUNCTION(0x4, "pwm"),
  61                 BERLIN_PINCTRL_FUNCTION(0x6, "usb0_dbg"),
  62                 BERLIN_PINCTRL_FUNCTION(0x7, "usb1_dbg")),
  63         BERLIN_PINCTRL_GROUP("G6", 0x00, 0x3, 0x12,
  64                 BERLIN_PINCTRL_FUNCTION(0x0, "uart0"),  /* RX/TX */
  65                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  66         BERLIN_PINCTRL_GROUP("G7", 0x00, 0x3, 0x15,
  67                 BERLIN_PINCTRL_FUNCTION(0x0, "eddc"),
  68                 BERLIN_PINCTRL_FUNCTION(0x1, "twsi1"),
  69                 BERLIN_PINCTRL_FUNCTION(0x2, "gpio")),
  70         BERLIN_PINCTRL_GROUP("G8", 0x00, 0x3, 0x18,
  71                 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SS0n */
  72                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  73         BERLIN_PINCTRL_GROUP("G9", 0x00, 0x3, 0x1b,
  74                 BERLIN_PINCTRL_FUNCTION(0x0, "gpio"),
  75                 BERLIN_PINCTRL_FUNCTION(0x1, "spi1"), /* SS1n/SS2n */
  76                 BERLIN_PINCTRL_FUNCTION(0x3, "twsi0")),
  77         BERLIN_PINCTRL_GROUP("G10", 0x00, 0x2, 0x1e,
  78                 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* CLK */
  79                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  80         BERLIN_PINCTRL_GROUP("G11", 0x04, 0x2, 0x00,
  81                 BERLIN_PINCTRL_FUNCTION(0x0, "spi1"), /* SDI/SDO */
  82                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  83         BERLIN_PINCTRL_GROUP("G12", 0x04, 0x3, 0x02,
  84                 BERLIN_PINCTRL_FUNCTION(0x0, "usb1"),
  85                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  86         BERLIN_PINCTRL_GROUP("G13", 0x04, 0x3, 0x05,
  87                 BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
  88                 BERLIN_PINCTRL_FUNCTION(0x1, "usb0_dbg"),
  89                 BERLIN_PINCTRL_FUNCTION(0x2, "usb1_dbg")),
  90         BERLIN_PINCTRL_GROUP("G14", 0x04, 0x1, 0x08,
  91                 BERLIN_PINCTRL_FUNCTION(0x0, "nand"),
  92                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  93         BERLIN_PINCTRL_GROUP("G15", 0x04, 0x3, 0x09,
  94                 BERLIN_PINCTRL_FUNCTION(0x0, "jtag"),
  95                 BERLIN_PINCTRL_FUNCTION(0x1, "gpio")),
  96         BERLIN_PINCTRL_GROUP("G16", 0x04, 0x3, 0x0c,
  97                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
  98         BERLIN_PINCTRL_GROUP("G17", 0x04, 0x3, 0x0f,
  99                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 100         BERLIN_PINCTRL_GROUP("G18", 0x04, 0x2, 0x12,
 101                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 102         BERLIN_PINCTRL_GROUP("G19", 0x04, 0x2, 0x14,
 103                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 104         BERLIN_PINCTRL_GROUP("G20", 0x04, 0x2, 0x16,
 105                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 106         BERLIN_PINCTRL_GROUP("G21", 0x04, 0x3, 0x18,
 107                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 108         BERLIN_PINCTRL_GROUP("G22", 0x04, 0x3, 0x1b,
 109                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 110         BERLIN_PINCTRL_GROUP("G23", 0x08, 0x3, 0x00,
 111                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 112         BERLIN_PINCTRL_GROUP("G24", 0x08, 0x2, 0x03,
 113                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 114         BERLIN_PINCTRL_GROUP("G25", 0x08, 0x2, 0x05,
 115                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 116         BERLIN_PINCTRL_GROUP("G26", 0x08, 0x1, 0x07,
 117                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 118         BERLIN_PINCTRL_GROUP("G27", 0x08, 0x2, 0x08,
 119                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 120         BERLIN_PINCTRL_GROUP("G28", 0x08, 0x3, 0x0a,
 121                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 122         BERLIN_PINCTRL_GROUP("G29", 0x08, 0x3, 0x0d,
 123                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 124 };
 125
 126 static const struct berlin_desc_group berlin2cd_sysmgr_pinctrl_groups[] = {
 127         /* GSM */
 128         BERLIN_PINCTRL_GROUP("GSM0", 0x40, 0x2, 0x00,
 129                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 130         BERLIN_PINCTRL_GROUP("GSM1", 0x40, 0x2, 0x02,
 131                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 132         BERLIN_PINCTRL_GROUP("GSM2", 0x40, 0x2, 0x04,
 133                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 134         BERLIN_PINCTRL_GROUP("GSM3", 0x40, 0x2, 0x06,
 135                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 136         BERLIN_PINCTRL_GROUP("GSM4", 0x40, 0x2, 0x08,
 137                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 138         BERLIN_PINCTRL_GROUP("GSM5", 0x40, 0x2, 0x0a,
 139                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 140         BERLIN_PINCTRL_GROUP("GSM6", 0x40, 0x2, 0x0c,
 141                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 142         BERLIN_PINCTRL_GROUP("GSM7", 0x40, 0x1, 0x0e,
 143                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 144         BERLIN_PINCTRL_GROUP("GSM8", 0x40, 0x1, 0x0f,
 145                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 146         BERLIN_PINCTRL_GROUP("GSM9", 0x40, 0x1, 0x10,
 147                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 148         BERLIN_PINCTRL_GROUP("GSM10", 0x40, 0x1, 0x11,
 149                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 150         BERLIN_PINCTRL_GROUP("GSM11", 0x40, 0x1, 0x12,
 151                 BERLIN_PINCTRL_FUNCTION_UNKNOWN),
 152 };
 153
 154 static const struct berlin_pinctrl_desc berlin2cd_soc_pinctrl_data = {
 155         .groups = berlin2cd_soc_pinctrl_groups,
 156         .ngroups = ARRAY_SIZE(berlin2cd_soc_pinctrl_groups),
 157 };
 158
 159 static const struct berlin_pinctrl_desc berlin2cd_sysmgr_pinctrl_data = {
 160         .groups = berlin2cd_sysmgr_pinctrl_groups,
 161         .ngroups = ARRAY_SIZE(berlin2cd_sysmgr_pinctrl_groups),
 162 };
 163
 164 static const struct of_device_id berlin2cd_pinctrl_match[] = {
 165         {
 166                 .compatible = "marvell,berlin2cd-soc-pinctrl",
 167                 .data = &berlin2cd_soc_pinctrl_data
 168         },
 169         {
 170                 .compatible = "marvell,berlin2cd-system-pinctrl",
 171                 .data = &berlin2cd_sysmgr_pinctrl_data
 172         },
 173         {}
 174 };
 175
 176 static int berlin2cd_pinctrl_probe(struct platform_device *pdev)
 177 {
 178         const struct of_device_id *match =
 179                 of_match_device(berlin2cd_pinctrl_match, &pdev->dev);
 180
 181         return berlin_pinctrl_probe(pdev, match->data);
 182 }
 183
 184 static struct platform_driver berlin2cd_pinctrl_driver = {
 185         .probe  = berlin2cd_pinctrl_probe,
 186         .driver = {
 187                 .name = "berlin-bg2cd-pinctrl",
 188                 .of_match_table = berlin2cd_pinctrl_match,
 189         },
 190 };
 191 builtin_platform_driver(berlin2cd_pinctrl_driver);