drivers/pinctrl/pinctrl-imx28.c

   1 /*
   2  * Copyright 2012 Freescale Semiconductor, Inc.
   3  *
   4  * The code contained herein is licensed under the GNU General Public
   5  * License. You may obtain a copy of the GNU General Public License
   6  * Version 2 or later at the following locations:
   7  *
   8  * http://www.opensource.org/licenses/gpl-license.html
   9  * http://www.gnu.org/copyleft/gpl.html
  10  */
  11
  12 #include <linux/init.h>
  13 #include <linux/module.h>
  14 #include <linux/of_device.h>
  15 #include <linux/pinctrl/pinctrl.h>
  16 #include "pinctrl-mxs.h"
  17
  18 enum imx28_pin_enum {
  19         GPMI_D00        = PINID(0, 0),
  20         GPMI_D01        = PINID(0, 1),
  21         GPMI_D02        = PINID(0, 2),
  22         GPMI_D03        = PINID(0, 3),
  23         GPMI_D04        = PINID(0, 4),
  24         GPMI_D05        = PINID(0, 5),
  25         GPMI_D06        = PINID(0, 6),
  26         GPMI_D07        = PINID(0, 7),
  27         GPMI_CE0N       = PINID(0, 16),
  28         GPMI_CE1N       = PINID(0, 17),
  29         GPMI_CE2N       = PINID(0, 18),
  30         GPMI_CE3N       = PINID(0, 19),
  31         GPMI_RDY0       = PINID(0, 20),
  32         GPMI_RDY1       = PINID(0, 21),
  33         GPMI_RDY2       = PINID(0, 22),
  34         GPMI_RDY3       = PINID(0, 23),
  35         GPMI_RDN        = PINID(0, 24),
  36         GPMI_WRN        = PINID(0, 25),
  37         GPMI_ALE        = PINID(0, 26),
  38         GPMI_CLE        = PINID(0, 27),
  39         GPMI_RESETN     = PINID(0, 28),
  40         LCD_D00         = PINID(1, 0),
  41         LCD_D01         = PINID(1, 1),
  42         LCD_D02         = PINID(1, 2),
  43         LCD_D03         = PINID(1, 3),
  44         LCD_D04         = PINID(1, 4),
  45         LCD_D05         = PINID(1, 5),
  46         LCD_D06         = PINID(1, 6),
  47         LCD_D07         = PINID(1, 7),
  48         LCD_D08         = PINID(1, 8),
  49         LCD_D09         = PINID(1, 9),
  50         LCD_D10         = PINID(1, 10),
  51         LCD_D11         = PINID(1, 11),
  52         LCD_D12         = PINID(1, 12),
  53         LCD_D13         = PINID(1, 13),
  54         LCD_D14         = PINID(1, 14),
  55         LCD_D15         = PINID(1, 15),
  56         LCD_D16         = PINID(1, 16),
  57         LCD_D17         = PINID(1, 17),
  58         LCD_D18         = PINID(1, 18),
  59         LCD_D19         = PINID(1, 19),
  60         LCD_D20         = PINID(1, 20),
  61         LCD_D21         = PINID(1, 21),
  62         LCD_D22         = PINID(1, 22),
  63         LCD_D23         = PINID(1, 23),
  64         LCD_RD_E        = PINID(1, 24),
  65         LCD_WR_RWN      = PINID(1, 25),
  66         LCD_RS          = PINID(1, 26),
  67         LCD_CS          = PINID(1, 27),
  68         LCD_VSYNC       = PINID(1, 28),
  69         LCD_HSYNC       = PINID(1, 29),
  70         LCD_DOTCLK      = PINID(1, 30),
  71         LCD_ENABLE      = PINID(1, 31),
  72         SSP0_DATA0      = PINID(2, 0),
  73         SSP0_DATA1      = PINID(2, 1),
  74         SSP0_DATA2      = PINID(2, 2),
  75         SSP0_DATA3      = PINID(2, 3),
  76         SSP0_DATA4      = PINID(2, 4),
  77         SSP0_DATA5      = PINID(2, 5),
  78         SSP0_DATA6      = PINID(2, 6),
  79         SSP0_DATA7      = PINID(2, 7),
  80         SSP0_CMD        = PINID(2, 8),
  81         SSP0_DETECT     = PINID(2, 9),
  82         SSP0_SCK        = PINID(2, 10),
  83         SSP1_SCK        = PINID(2, 12),
  84         SSP1_CMD        = PINID(2, 13),
  85         SSP1_DATA0      = PINID(2, 14),
  86         SSP1_DATA3      = PINID(2, 15),
  87         SSP2_SCK        = PINID(2, 16),
  88         SSP2_MOSI       = PINID(2, 17),
  89         SSP2_MISO       = PINID(2, 18),
  90         SSP2_SS0        = PINID(2, 19),
  91         SSP2_SS1        = PINID(2, 20),
  92         SSP2_SS2        = PINID(2, 21),
  93         SSP3_SCK        = PINID(2, 24),
  94         SSP3_MOSI       = PINID(2, 25),
  95         SSP3_MISO       = PINID(2, 26),
  96         SSP3_SS0        = PINID(2, 27),
  97         AUART0_RX       = PINID(3, 0),
  98         AUART0_TX       = PINID(3, 1),
  99         AUART0_CTS      = PINID(3, 2),
 100         AUART0_RTS      = PINID(3, 3),
 101         AUART1_RX       = PINID(3, 4),
 102         AUART1_TX       = PINID(3, 5),
 103         AUART1_CTS      = PINID(3, 6),
 104         AUART1_RTS      = PINID(3, 7),
 105         AUART2_RX       = PINID(3, 8),
 106         AUART2_TX       = PINID(3, 9),
 107         AUART2_CTS      = PINID(3, 10),
 108         AUART2_RTS      = PINID(3, 11),
 109         AUART3_RX       = PINID(3, 12),
 110         AUART3_TX       = PINID(3, 13),
 111         AUART3_CTS      = PINID(3, 14),
 112         AUART3_RTS      = PINID(3, 15),
 113         PWM0            = PINID(3, 16),
 114         PWM1            = PINID(3, 17),
 115         PWM2            = PINID(3, 18),
 116         SAIF0_MCLK      = PINID(3, 20),
 117         SAIF0_LRCLK     = PINID(3, 21),
 118         SAIF0_BITCLK    = PINID(3, 22),
 119         SAIF0_SDATA0    = PINID(3, 23),
 120         I2C0_SCL        = PINID(3, 24),
 121         I2C0_SDA        = PINID(3, 25),
 122         SAIF1_SDATA0    = PINID(3, 26),
 123         SPDIF           = PINID(3, 27),
 124         PWM3            = PINID(3, 28),
 125         PWM4            = PINID(3, 29),
 126         LCD_RESET       = PINID(3, 30),
 127         ENET0_MDC       = PINID(4, 0),
 128         ENET0_MDIO      = PINID(4, 1),
 129         ENET0_RX_EN     = PINID(4, 2),
 130         ENET0_RXD0      = PINID(4, 3),
 131         ENET0_RXD1      = PINID(4, 4),
 132         ENET0_TX_CLK    = PINID(4, 5),
 133         ENET0_TX_EN     = PINID(4, 6),
 134         ENET0_TXD0      = PINID(4, 7),
 135         ENET0_TXD1      = PINID(4, 8),
 136         ENET0_RXD2      = PINID(4, 9),
 137         ENET0_RXD3      = PINID(4, 10),
 138         ENET0_TXD2      = PINID(4, 11),
 139         ENET0_TXD3      = PINID(4, 12),
 140         ENET0_RX_CLK    = PINID(4, 13),
 141         ENET0_COL       = PINID(4, 14),
 142         ENET0_CRS       = PINID(4, 15),
 143         ENET_CLK        = PINID(4, 16),
 144         JTAG_RTCK       = PINID(4, 20),
 145         EMI_D00         = PINID(5, 0),
 146         EMI_D01         = PINID(5, 1),
 147         EMI_D02         = PINID(5, 2),
 148         EMI_D03         = PINID(5, 3),
 149         EMI_D04         = PINID(5, 4),
 150         EMI_D05         = PINID(5, 5),
 151         EMI_D06         = PINID(5, 6),
 152         EMI_D07         = PINID(5, 7),
 153         EMI_D08         = PINID(5, 8),
 154         EMI_D09         = PINID(5, 9),
 155         EMI_D10         = PINID(5, 10),
 156         EMI_D11         = PINID(5, 11),
 157         EMI_D12         = PINID(5, 12),
 158         EMI_D13         = PINID(5, 13),
 159         EMI_D14         = PINID(5, 14),
 160         EMI_D15         = PINID(5, 15),
 161         EMI_ODT0        = PINID(5, 16),
 162         EMI_DQM0        = PINID(5, 17),
 163         EMI_ODT1        = PINID(5, 18),
 164         EMI_DQM1        = PINID(5, 19),
 165         EMI_DDR_OPEN_FB = PINID(5, 20),
 166         EMI_CLK         = PINID(5, 21),
 167         EMI_DQS0        = PINID(5, 22),
 168         EMI_DQS1        = PINID(5, 23),
 169         EMI_DDR_OPEN    = PINID(5, 26),
 170         EMI_A00         = PINID(6, 0),
 171         EMI_A01         = PINID(6, 1),
 172         EMI_A02         = PINID(6, 2),
 173         EMI_A03         = PINID(6, 3),
 174         EMI_A04         = PINID(6, 4),
 175         EMI_A05         = PINID(6, 5),
 176         EMI_A06         = PINID(6, 6),
 177         EMI_A07         = PINID(6, 7),
 178         EMI_A08         = PINID(6, 8),
 179         EMI_A09         = PINID(6, 9),
 180         EMI_A10         = PINID(6, 10),
 181         EMI_A11         = PINID(6, 11),
 182         EMI_A12         = PINID(6, 12),
 183         EMI_A13         = PINID(6, 13),
 184         EMI_A14         = PINID(6, 14),
 185         EMI_BA0         = PINID(6, 16),
 186         EMI_BA1         = PINID(6, 17),
 187         EMI_BA2         = PINID(6, 18),
 188         EMI_CASN        = PINID(6, 19),
 189         EMI_RASN        = PINID(6, 20),
 190         EMI_WEN         = PINID(6, 21),
 191         EMI_CE0N        = PINID(6, 22),
 192         EMI_CE1N        = PINID(6, 23),
 193         EMI_CKE         = PINID(6, 24),
 194 };
 195
 196 static const struct pinctrl_pin_desc imx28_pins[] = {
 197         MXS_PINCTRL_PIN(GPMI_D00),
 198         MXS_PINCTRL_PIN(GPMI_D01),
 199         MXS_PINCTRL_PIN(GPMI_D02),
 200         MXS_PINCTRL_PIN(GPMI_D03),
 201         MXS_PINCTRL_PIN(GPMI_D04),
 202         MXS_PINCTRL_PIN(GPMI_D05),
 203         MXS_PINCTRL_PIN(GPMI_D06),
 204         MXS_PINCTRL_PIN(GPMI_D07),
 205         MXS_PINCTRL_PIN(GPMI_CE0N),
 206         MXS_PINCTRL_PIN(GPMI_CE1N),
 207         MXS_PINCTRL_PIN(GPMI_CE2N),
 208         MXS_PINCTRL_PIN(GPMI_CE3N),
 209         MXS_PINCTRL_PIN(GPMI_RDY0),
 210         MXS_PINCTRL_PIN(GPMI_RDY1),
 211         MXS_PINCTRL_PIN(GPMI_RDY2),
 212         MXS_PINCTRL_PIN(GPMI_RDY3),
 213         MXS_PINCTRL_PIN(GPMI_RDN),
 214         MXS_PINCTRL_PIN(GPMI_WRN),
 215         MXS_PINCTRL_PIN(GPMI_ALE),
 216         MXS_PINCTRL_PIN(GPMI_CLE),
 217         MXS_PINCTRL_PIN(GPMI_RESETN),
 218         MXS_PINCTRL_PIN(LCD_D00),
 219         MXS_PINCTRL_PIN(LCD_D01),
 220         MXS_PINCTRL_PIN(LCD_D02),
 221         MXS_PINCTRL_PIN(LCD_D03),
 222         MXS_PINCTRL_PIN(LCD_D04),
 223         MXS_PINCTRL_PIN(LCD_D05),
 224         MXS_PINCTRL_PIN(LCD_D06),
 225         MXS_PINCTRL_PIN(LCD_D07),
 226         MXS_PINCTRL_PIN(LCD_D08),
 227         MXS_PINCTRL_PIN(LCD_D09),
 228         MXS_PINCTRL_PIN(LCD_D10),
 229         MXS_PINCTRL_PIN(LCD_D11),
 230         MXS_PINCTRL_PIN(LCD_D12),
 231         MXS_PINCTRL_PIN(LCD_D13),
 232         MXS_PINCTRL_PIN(LCD_D14),
 233         MXS_PINCTRL_PIN(LCD_D15),
 234         MXS_PINCTRL_PIN(LCD_D16),
 235         MXS_PINCTRL_PIN(LCD_D17),
 236         MXS_PINCTRL_PIN(LCD_D18),
 237         MXS_PINCTRL_PIN(LCD_D19),
 238         MXS_PINCTRL_PIN(LCD_D20),
 239         MXS_PINCTRL_PIN(LCD_D21),
 240         MXS_PINCTRL_PIN(LCD_D22),
 241         MXS_PINCTRL_PIN(LCD_D23),
 242         MXS_PINCTRL_PIN(LCD_RD_E),
 243         MXS_PINCTRL_PIN(LCD_WR_RWN),
 244         MXS_PINCTRL_PIN(LCD_RS),
 245         MXS_PINCTRL_PIN(LCD_CS),
 246         MXS_PINCTRL_PIN(LCD_VSYNC),
 247         MXS_PINCTRL_PIN(LCD_HSYNC),
 248         MXS_PINCTRL_PIN(LCD_DOTCLK),
 249         MXS_PINCTRL_PIN(LCD_ENABLE),
 250         MXS_PINCTRL_PIN(SSP0_DATA0),
 251         MXS_PINCTRL_PIN(SSP0_DATA1),
 252         MXS_PINCTRL_PIN(SSP0_DATA2),
 253         MXS_PINCTRL_PIN(SSP0_DATA3),
 254         MXS_PINCTRL_PIN(SSP0_DATA4),
 255         MXS_PINCTRL_PIN(SSP0_DATA5),
 256         MXS_PINCTRL_PIN(SSP0_DATA6),
 257         MXS_PINCTRL_PIN(SSP0_DATA7),
 258         MXS_PINCTRL_PIN(SSP0_CMD),
 259         MXS_PINCTRL_PIN(SSP0_DETECT),
 260         MXS_PINCTRL_PIN(SSP0_SCK),
 261         MXS_PINCTRL_PIN(SSP1_SCK),
 262         MXS_PINCTRL_PIN(SSP1_CMD),
 263         MXS_PINCTRL_PIN(SSP1_DATA0),
 264         MXS_PINCTRL_PIN(SSP1_DATA3),
 265         MXS_PINCTRL_PIN(SSP2_SCK),
 266         MXS_PINCTRL_PIN(SSP2_MOSI),
 267         MXS_PINCTRL_PIN(SSP2_MISO),
 268         MXS_PINCTRL_PIN(SSP2_SS0),
 269         MXS_PINCTRL_PIN(SSP2_SS1),
 270         MXS_PINCTRL_PIN(SSP2_SS2),
 271         MXS_PINCTRL_PIN(SSP3_SCK),
 272         MXS_PINCTRL_PIN(SSP3_MOSI),
 273         MXS_PINCTRL_PIN(SSP3_MISO),
 274         MXS_PINCTRL_PIN(SSP3_SS0),
 275         MXS_PINCTRL_PIN(AUART0_RX),
 276         MXS_PINCTRL_PIN(AUART0_TX),
 277         MXS_PINCTRL_PIN(AUART0_CTS),
 278         MXS_PINCTRL_PIN(AUART0_RTS),
 279         MXS_PINCTRL_PIN(AUART1_RX),
 280         MXS_PINCTRL_PIN(AUART1_TX),
 281         MXS_PINCTRL_PIN(AUART1_CTS),
 282         MXS_PINCTRL_PIN(AUART1_RTS),
 283         MXS_PINCTRL_PIN(AUART2_RX),
 284         MXS_PINCTRL_PIN(AUART2_TX),
 285         MXS_PINCTRL_PIN(AUART2_CTS),
 286         MXS_PINCTRL_PIN(AUART2_RTS),
 287         MXS_PINCTRL_PIN(AUART3_RX),
 288         MXS_PINCTRL_PIN(AUART3_TX),
 289         MXS_PINCTRL_PIN(AUART3_CTS),
 290         MXS_PINCTRL_PIN(AUART3_RTS),
 291         MXS_PINCTRL_PIN(PWM0),
 292         MXS_PINCTRL_PIN(PWM1),
 293         MXS_PINCTRL_PIN(PWM2),
 294         MXS_PINCTRL_PIN(SAIF0_MCLK),
 295         MXS_PINCTRL_PIN(SAIF0_LRCLK),
 296         MXS_PINCTRL_PIN(SAIF0_BITCLK),
 297         MXS_PINCTRL_PIN(SAIF0_SDATA0),
 298         MXS_PINCTRL_PIN(I2C0_SCL),
 299         MXS_PINCTRL_PIN(I2C0_SDA),
 300         MXS_PINCTRL_PIN(SAIF1_SDATA0),
 301         MXS_PINCTRL_PIN(SPDIF),
 302         MXS_PINCTRL_PIN(PWM3),
 303         MXS_PINCTRL_PIN(PWM4),
 304         MXS_PINCTRL_PIN(LCD_RESET),
 305         MXS_PINCTRL_PIN(ENET0_MDC),
 306         MXS_PINCTRL_PIN(ENET0_MDIO),
 307         MXS_PINCTRL_PIN(ENET0_RX_EN),
 308         MXS_PINCTRL_PIN(ENET0_RXD0),
 309         MXS_PINCTRL_PIN(ENET0_RXD1),
 310         MXS_PINCTRL_PIN(ENET0_TX_CLK),
 311         MXS_PINCTRL_PIN(ENET0_TX_EN),
 312         MXS_PINCTRL_PIN(ENET0_TXD0),
 313         MXS_PINCTRL_PIN(ENET0_TXD1),
 314         MXS_PINCTRL_PIN(ENET0_RXD2),
 315         MXS_PINCTRL_PIN(ENET0_RXD3),
 316         MXS_PINCTRL_PIN(ENET0_TXD2),
 317         MXS_PINCTRL_PIN(ENET0_TXD3),
 318         MXS_PINCTRL_PIN(ENET0_RX_CLK),
 319         MXS_PINCTRL_PIN(ENET0_COL),
 320         MXS_PINCTRL_PIN(ENET0_CRS),
 321         MXS_PINCTRL_PIN(ENET_CLK),
 322         MXS_PINCTRL_PIN(JTAG_RTCK),
 323         MXS_PINCTRL_PIN(EMI_D00),
 324         MXS_PINCTRL_PIN(EMI_D01),
 325         MXS_PINCTRL_PIN(EMI_D02),
 326         MXS_PINCTRL_PIN(EMI_D03),
 327         MXS_PINCTRL_PIN(EMI_D04),
 328         MXS_PINCTRL_PIN(EMI_D05),
 329         MXS_PINCTRL_PIN(EMI_D06),
 330         MXS_PINCTRL_PIN(EMI_D07),
 331         MXS_PINCTRL_PIN(EMI_D08),
 332         MXS_PINCTRL_PIN(EMI_D09),
 333         MXS_PINCTRL_PIN(EMI_D10),
 334         MXS_PINCTRL_PIN(EMI_D11),
 335         MXS_PINCTRL_PIN(EMI_D12),
 336         MXS_PINCTRL_PIN(EMI_D13),
 337         MXS_PINCTRL_PIN(EMI_D14),
 338         MXS_PINCTRL_PIN(EMI_D15),
 339         MXS_PINCTRL_PIN(EMI_ODT0),
 340         MXS_PINCTRL_PIN(EMI_DQM0),
 341         MXS_PINCTRL_PIN(EMI_ODT1),
 342         MXS_PINCTRL_PIN(EMI_DQM1),
 343         MXS_PINCTRL_PIN(EMI_DDR_OPEN_FB),
 344         MXS_PINCTRL_PIN(EMI_CLK),
 345         MXS_PINCTRL_PIN(EMI_DQS0),
 346         MXS_PINCTRL_PIN(EMI_DQS1),
 347         MXS_PINCTRL_PIN(EMI_DDR_OPEN),
 348         MXS_PINCTRL_PIN(EMI_A00),
 349         MXS_PINCTRL_PIN(EMI_A01),
 350         MXS_PINCTRL_PIN(EMI_A02),
 351         MXS_PINCTRL_PIN(EMI_A03),
 352         MXS_PINCTRL_PIN(EMI_A04),
 353         MXS_PINCTRL_PIN(EMI_A05),
 354         MXS_PINCTRL_PIN(EMI_A06),
 355         MXS_PINCTRL_PIN(EMI_A07),
 356         MXS_PINCTRL_PIN(EMI_A08),
 357         MXS_PINCTRL_PIN(EMI_A09),
 358         MXS_PINCTRL_PIN(EMI_A10),
 359         MXS_PINCTRL_PIN(EMI_A11),
 360         MXS_PINCTRL_PIN(EMI_A12),
 361         MXS_PINCTRL_PIN(EMI_A13),
 362         MXS_PINCTRL_PIN(EMI_A14),
 363         MXS_PINCTRL_PIN(EMI_BA0),
 364         MXS_PINCTRL_PIN(EMI_BA1),
 365         MXS_PINCTRL_PIN(EMI_BA2),
 366         MXS_PINCTRL_PIN(EMI_CASN),
 367         MXS_PINCTRL_PIN(EMI_RASN),
 368         MXS_PINCTRL_PIN(EMI_WEN),
 369         MXS_PINCTRL_PIN(EMI_CE0N),
 370         MXS_PINCTRL_PIN(EMI_CE1N),
 371         MXS_PINCTRL_PIN(EMI_CKE),
 372 };
 373
 374 static struct mxs_regs imx28_regs = {
 375         .muxsel = 0x100,
 376         .drive = 0x300,
 377         .pull = 0x600,
 378 };
 379
 380 static struct mxs_pinctrl_soc_data imx28_pinctrl_data = {
 381         .regs = &imx28_regs,
 382         .pins = imx28_pins,
 383         .npins = ARRAY_SIZE(imx28_pins),
 384 };
 385
 386 static int __devinit imx28_pinctrl_probe(struct platform_device *pdev)
 387 {
 388         return mxs_pinctrl_probe(pdev, &imx28_pinctrl_data);
 389 }
 390
 391 static struct of_device_id imx28_pinctrl_of_match[] __devinitdata = {
 392         { .compatible = "fsl,imx28-pinctrl", },
 393         { /* sentinel */ }
 394 };
 395 MODULE_DEVICE_TABLE(of, imx28_pinctrl_of_match);
 396
 397 static struct platform_driver imx28_pinctrl_driver = {
 398         .driver = {
 399                 .name = "imx28-pinctrl",
 400                 .owner = THIS_MODULE,
 401                 .of_match_table = imx28_pinctrl_of_match,
 402         },
 403         .probe = imx28_pinctrl_probe,
 404         .remove = __devexit_p(mxs_pinctrl_remove),
 405 };
 406
 407 static int __init imx28_pinctrl_init(void)
 408 {
 409         return platform_driver_register(&imx28_pinctrl_driver);
 410 }
 411 arch_initcall(imx28_pinctrl_init);
 412
 413 static void __exit imx28_pinctrl_exit(void)
 414 {
 415         platform_driver_unregister(&imx28_pinctrl_driver);
 416 }
 417 module_exit(imx28_pinctrl_exit);
 418
 419 MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
 420 MODULE_DESCRIPTION("Freescale i.MX28 pinctrl driver");
 421 MODULE_LICENSE("GPL v2");