arch/arm/mach-imx/mach-mx53_loco.c

   1 /*
   2  * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
   3  */
   4
   5 /*
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include <linux/init.h>
  22 #include <linux/clk.h>
  23 #include <linux/delay.h>
  24 #include <linux/gpio.h>
  25 #include <linux/i2c.h>
  26
  27 #include <mach/common.h>
  28 #include <mach/hardware.h>
  29 #include <mach/iomux-mx53.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/time.h>
  34
  35 #include "devices-imx53.h"
  36
  37 #define MX53_LOCO_POWER                 IMX_GPIO_NR(1, 8)
  38 #define MX53_LOCO_UI1                   IMX_GPIO_NR(2, 14)
  39 #define MX53_LOCO_UI2                   IMX_GPIO_NR(2, 15)
  40 #define LOCO_FEC_PHY_RST                IMX_GPIO_NR(7, 6)
  41 #define LOCO_LED                        IMX_GPIO_NR(7, 7)
  42 #define LOCO_SD3_CD                     IMX_GPIO_NR(3, 11)
  43 #define LOCO_SD3_WP                     IMX_GPIO_NR(3, 12)
  44 #define LOCO_SD1_CD                     IMX_GPIO_NR(3, 13)
  45 #define LOCO_ACCEL_EN                   IMX_GPIO_NR(6, 14)
  46
  47 static iomux_v3_cfg_t mx53_loco_pads[] = {
  48         /* FEC */
  49         MX53_PAD_FEC_MDC__FEC_MDC,
  50         MX53_PAD_FEC_MDIO__FEC_MDIO,
  51         MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
  52         MX53_PAD_FEC_RX_ER__FEC_RX_ER,
  53         MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
  54         MX53_PAD_FEC_RXD1__FEC_RDATA_1,
  55         MX53_PAD_FEC_RXD0__FEC_RDATA_0,
  56         MX53_PAD_FEC_TX_EN__FEC_TX_EN,
  57         MX53_PAD_FEC_TXD1__FEC_TDATA_1,
  58         MX53_PAD_FEC_TXD0__FEC_TDATA_0,
  59         /* FEC_nRST */
  60         MX53_PAD_PATA_DA_0__GPIO7_6,
  61         /* FEC_nINT */
  62         MX53_PAD_PATA_DATA4__GPIO2_4,
  63         /* AUDMUX5 */
  64         MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC,
  65         MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
  66         MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
  67         MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
  68         /* I2C1 */
  69         MX53_PAD_CSI0_DAT8__I2C1_SDA,
  70         MX53_PAD_CSI0_DAT9__I2C1_SCL,
  71         MX53_PAD_NANDF_CS1__GPIO6_14,   /* Accelerometer Enable */
  72         /* I2C2 */
  73         MX53_PAD_KEY_COL3__I2C2_SCL,
  74         MX53_PAD_KEY_ROW3__I2C2_SDA,
  75         /* SD1 */
  76         MX53_PAD_SD1_CMD__ESDHC1_CMD,
  77         MX53_PAD_SD1_CLK__ESDHC1_CLK,
  78         MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
  79         MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
  80         MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
  81         MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
  82         /* SD1_CD */
  83         MX53_PAD_EIM_DA13__GPIO3_13,
  84         /* SD3 */
  85         MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
  86         MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
  87         MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
  88         MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
  89         MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
  90         MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
  91         MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
  92         MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
  93         MX53_PAD_PATA_IORDY__ESDHC3_CLK,
  94         MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
  95         /* SD3_CD */
  96         MX53_PAD_EIM_DA11__GPIO3_11,
  97         /* SD3_WP */
  98         MX53_PAD_EIM_DA12__GPIO3_12,
  99         /* VGA */
 100         MX53_PAD_EIM_OE__IPU_DI1_PIN7,
 101         MX53_PAD_EIM_RW__IPU_DI1_PIN8,
 102         /* DISPLB */
 103         MX53_PAD_EIM_D20__IPU_SER_DISP0_CS,
 104         MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK,
 105         MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN,
 106         MX53_PAD_EIM_D23__IPU_DI0_D0_CS,
 107         /* DISP0_POWER_EN */
 108         MX53_PAD_EIM_D24__GPIO3_24,
 109         /* DISP0 DET INT */
 110         MX53_PAD_EIM_D31__GPIO3_31,
 111         /* LVDS */
 112         MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3,
 113         MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK,
 114         MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
 115         MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
 116         MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
 117         MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3,
 118         MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2,
 119         MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK,
 120         MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1,
 121         MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0,
 122         /* I2C1 */
 123         MX53_PAD_CSI0_DAT8__I2C1_SDA,
 124         MX53_PAD_CSI0_DAT9__I2C1_SCL,
 125         /* UART1 */
 126         MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
 127         MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
 128         /* CSI0 */
 129         MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12,
 130         MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13,
 131         MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14,
 132         MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15,
 133         MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16,
 134         MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17,
 135         MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18,
 136         MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19,
 137         MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC,
 138         MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC,
 139         MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK,
 140         /* DISPLAY */
 141         MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
 142         MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
 143         MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
 144         MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
 145         MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
 146         MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
 147         MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
 148         MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
 149         MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
 150         MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
 151         MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
 152         MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
 153         MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
 154         MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
 155         MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
 156         MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
 157         MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
 158         MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
 159         MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
 160         MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
 161         MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
 162         MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
 163         MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
 164         MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
 165         MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
 166         MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
 167         MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
 168         MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
 169         /* Audio CLK*/
 170         MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK,
 171         /* PWM */
 172         MX53_PAD_GPIO_1__PWM2_PWMO,
 173         /* SPDIF */
 174         MX53_PAD_GPIO_7__SPDIF_PLOCK,
 175         MX53_PAD_GPIO_17__SPDIF_OUT1,
 176         /* GPIO */
 177         MX53_PAD_PATA_DA_1__GPIO7_7,            /* LED */
 178         MX53_PAD_PATA_DA_2__GPIO7_8,
 179         MX53_PAD_PATA_DATA5__GPIO2_5,
 180         MX53_PAD_PATA_DATA6__GPIO2_6,
 181         MX53_PAD_PATA_DATA14__GPIO2_14,
 182         MX53_PAD_PATA_DATA15__GPIO2_15,
 183         MX53_PAD_PATA_INTRQ__GPIO7_2,
 184         MX53_PAD_EIM_WAIT__GPIO5_0,
 185         MX53_PAD_NANDF_WP_B__GPIO6_9,
 186         MX53_PAD_NANDF_RB0__GPIO6_10,
 187         MX53_PAD_NANDF_CS1__GPIO6_14,
 188         MX53_PAD_NANDF_CS2__GPIO6_15,
 189         MX53_PAD_NANDF_CS3__GPIO6_16,
 190         MX53_PAD_GPIO_5__GPIO1_5,
 191         MX53_PAD_GPIO_16__GPIO7_11,
 192         MX53_PAD_GPIO_8__GPIO1_8,
 193 };
 194
 195 #define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake)    \
 196 {                                                               \
 197         .gpio           = gpio_num,                             \
 198         .type           = EV_KEY,                               \
 199         .code           = ev_code,                              \
 200         .active_low     = act_low,                              \
 201         .desc           = "btn " descr,                         \
 202         .wakeup         = wake,                                 \
 203 }
 204
 205 static struct gpio_keys_button loco_buttons[] = {
 206         GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
 207         GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
 208         GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
 209 };
 210
 211 static const struct gpio_keys_platform_data loco_button_data __initconst = {
 212         .buttons        = loco_buttons,
 213         .nbuttons       = ARRAY_SIZE(loco_buttons),
 214 };
 215
 216 static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
 217         .cd_gpio = LOCO_SD1_CD,
 218         .cd_type = ESDHC_CD_GPIO,
 219         .wp_type = ESDHC_WP_NONE,
 220 };
 221
 222 static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
 223         .cd_gpio = LOCO_SD3_CD,
 224         .wp_gpio = LOCO_SD3_WP,
 225         .cd_type = ESDHC_CD_GPIO,
 226         .wp_type = ESDHC_WP_GPIO,
 227 };
 228
 229 static inline void mx53_loco_fec_reset(void)
 230 {
 231         int ret;
 232
 233         /* reset FEC PHY */
 234         ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset");
 235         if (ret) {
 236                 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
 237                 return;
 238         }
 239         gpio_direction_output(LOCO_FEC_PHY_RST, 0);
 240         msleep(1);
 241         gpio_set_value(LOCO_FEC_PHY_RST, 1);
 242 }
 243
 244 static const struct fec_platform_data mx53_loco_fec_data __initconst = {
 245         .phy = PHY_INTERFACE_MODE_RMII,
 246 };
 247
 248 static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
 249         .bitrate = 100000,
 250 };
 251
 252 static const struct gpio_led mx53loco_leds[] __initconst = {
 253         {
 254                 .name                   = "green",
 255                 .default_trigger        = "heartbeat",
 256                 .gpio                   = LOCO_LED,
 257         },
 258 };
 259
 260 static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
 261         .leds           = mx53loco_leds,
 262         .num_leds       = ARRAY_SIZE(mx53loco_leds),
 263 };
 264
 265 void __init imx53_qsb_common_init(void)
 266 {
 267         mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
 268                                          ARRAY_SIZE(mx53_loco_pads));
 269 }
 270
 271 static struct i2c_board_info mx53loco_i2c_devices[] = {
 272         {
 273                 I2C_BOARD_INFO("mma8450", 0x1C),
 274         },
 275 };
 276
 277 static void __init mx53_loco_board_init(void)
 278 {
 279         int ret;
 280         imx53_soc_init();
 281         imx53_qsb_common_init();
 282
 283         imx53_add_imx_uart(0, NULL);
 284         mx53_loco_fec_reset();
 285         imx53_add_fec(&mx53_loco_fec_data);
 286         imx53_add_imx2_wdt(0);
 287
 288         ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
 289         if (ret)
 290                 pr_err("Cannot request ACCEL_EN pin: %d\n", ret);
 291
 292         i2c_register_board_info(0, mx53loco_i2c_devices,
 293                                 ARRAY_SIZE(mx53loco_i2c_devices));
 294         imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
 295         imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
 296         imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
 297         imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
 298         imx_add_gpio_keys(&loco_button_data);
 299         gpio_led_register_device(-1, &mx53loco_leds_data);
 300         imx53_add_ahci_imx();
 301 }
 302
 303 static void __init mx53_loco_timer_init(void)
 304 {
 305         mx53_clocks_init(32768, 24000000, 0, 0);
 306 }
 307
 308 static struct sys_timer mx53_loco_timer = {
 309         .init   = mx53_loco_timer_init,
 310 };
 311
 312 MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
 313         .map_io = mx53_map_io,
 314         .init_early = imx53_init_early,
 315         .init_irq = mx53_init_irq,
 316         .handle_irq = imx53_handle_irq,
 317         .timer = &mx53_loco_timer,
 318         .init_machine = mx53_loco_board_init,
 319         .init_late      = imx53_init_late,
 320         .restart        = mxc_restart,
 321 MACHINE_END