arch/arm/mach-shmobile/board-marzen.c

   1 /*
   2  * marzen board support
   3  *
   4  * Copyright (C) 2011, 2013  Renesas Solutions Corp.
   5  * Copyright (C) 2011  Magnus Damm
   6  * Copyright (C) 2013  Cogent Embedded, Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/irq.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/delay.h>
  28 #include <linux/io.h>
  29 #include <linux/leds.h>
  30 #include <linux/dma-mapping.h>
  31 #include <linux/pinctrl/machine.h>
  32 #include <linux/platform_data/gpio-rcar.h>
  33 #include <linux/platform_data/usb-rcar-phy.h>
  34 #include <linux/regulator/fixed.h>
  35 #include <linux/regulator/machine.h>
  36 #include <linux/smsc911x.h>
  37 #include <linux/spi/spi.h>
  38 #include <linux/spi/sh_hspi.h>
  39 #include <linux/mmc/host.h>
  40 #include <linux/mmc/sh_mobile_sdhi.h>
  41 #include <linux/mfd/tmio.h>
  42 #include <media/soc_camera.h>
  43 #include <mach/r8a7779.h>
  44 #include <mach/common.h>
  45 #include <mach/irqs.h>
  46 #include <asm/mach-types.h>
  47 #include <asm/mach/arch.h>
  48 #include <asm/traps.h>
  49
  50 /* Fixed 3.3V regulator to be used by SDHI0 */
  51 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
  52         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
  53         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
  54 };
  55
  56 /* Dummy supplies, where voltage doesn't matter */
  57 static struct regulator_consumer_supply dummy_supplies[] = {
  58         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  59         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  60 };
  61
  62 /* USB PHY */
  63 static struct resource usb_phy_resources[] = {
  64         [0] = {
  65                 .start          = 0xffe70800,
  66                 .end            = 0xffe70900 - 1,
  67                 .flags          = IORESOURCE_MEM,
  68         },
  69 };
  70
  71 static struct rcar_phy_platform_data usb_phy_platform_data;
  72
  73 static struct platform_device usb_phy = {
  74         .name           = "rcar_usb_phy",
  75         .id             = -1,
  76         .dev  = {
  77                 .platform_data = &usb_phy_platform_data,
  78         },
  79         .resource       = usb_phy_resources,
  80         .num_resources  = ARRAY_SIZE(usb_phy_resources),
  81 };
  82
  83 /* SMSC LAN89218 */
  84 static struct resource smsc911x_resources[] = {
  85         [0] = {
  86                 .start          = 0x18000000, /* ExCS0 */
  87                 .end            = 0x180000ff, /* A1->A7 */
  88                 .flags          = IORESOURCE_MEM,
  89         },
  90         [1] = {
  91                 .start          = irq_pin(1), /* IRQ 1 */
  92                 .flags          = IORESOURCE_IRQ,
  93         },
  94 };
  95
  96 static struct smsc911x_platform_config smsc911x_platdata = {
  97         .flags          = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
  98         .phy_interface  = PHY_INTERFACE_MODE_MII,
  99         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 100         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 101 };
 102
 103 static struct platform_device eth_device = {
 104         .name           = "smsc911x",
 105         .id             = -1,
 106         .dev  = {
 107                 .platform_data = &smsc911x_platdata,
 108         },
 109         .resource       = smsc911x_resources,
 110         .num_resources  = ARRAY_SIZE(smsc911x_resources),
 111 };
 112
 113 static struct resource sdhi0_resources[] = {
 114         [0] = {
 115                 .name   = "sdhi0",
 116                 .start  = 0xffe4c000,
 117                 .end    = 0xffe4c0ff,
 118                 .flags  = IORESOURCE_MEM,
 119         },
 120         [1] = {
 121                 .start  = gic_iid(0x88),
 122                 .flags  = IORESOURCE_IRQ,
 123         },
 124 };
 125
 126 static struct sh_mobile_sdhi_info sdhi0_platform_data = {
 127         .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
 128         .tmio_caps = MMC_CAP_SD_HIGHSPEED,
 129 };
 130
 131 static struct platform_device sdhi0_device = {
 132         .name = "sh_mobile_sdhi",
 133         .num_resources = ARRAY_SIZE(sdhi0_resources),
 134         .resource = sdhi0_resources,
 135         .id = 0,
 136         .dev = {
 137                 .platform_data = &sdhi0_platform_data,
 138         }
 139 };
 140
 141 /* Thermal */
 142 static struct resource thermal_resources[] = {
 143         [0] = {
 144                 .start          = 0xFFC48000,
 145                 .end            = 0xFFC48038 - 1,
 146                 .flags          = IORESOURCE_MEM,
 147         },
 148 };
 149
 150 static struct platform_device thermal_device = {
 151         .name           = "rcar_thermal",
 152         .resource       = thermal_resources,
 153         .num_resources  = ARRAY_SIZE(thermal_resources),
 154 };
 155
 156 /* HSPI */
 157 static struct resource hspi_resources[] = {
 158         [0] = {
 159                 .start          = 0xFFFC7000,
 160                 .end            = 0xFFFC7018 - 1,
 161                 .flags          = IORESOURCE_MEM,
 162         },
 163 };
 164
 165 static struct platform_device hspi_device = {
 166         .name   = "sh-hspi",
 167         .id     = 0,
 168         .resource       = hspi_resources,
 169         .num_resources  = ARRAY_SIZE(hspi_resources),
 170 };
 171
 172 /* LEDS */
 173 static struct gpio_led marzen_leds[] = {
 174         {
 175                 .name           = "led2",
 176                 .gpio           = RCAR_GP_PIN(4, 29),
 177                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 178         }, {
 179                 .name           = "led3",
 180                 .gpio           = RCAR_GP_PIN(4, 30),
 181                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 182         }, {
 183                 .name           = "led4",
 184                 .gpio           = RCAR_GP_PIN(4, 31),
 185                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 186         },
 187 };
 188
 189 static struct gpio_led_platform_data marzen_leds_pdata = {
 190         .leds           = marzen_leds,
 191         .num_leds       = ARRAY_SIZE(marzen_leds),
 192 };
 193
 194 static struct platform_device leds_device = {
 195         .name   = "leds-gpio",
 196         .id     = 0,
 197         .dev    = {
 198                 .platform_data  = &marzen_leds_pdata,
 199         },
 200 };
 201
 202 static struct rcar_vin_platform_data vin_platform_data __initdata = {
 203         .flags  = RCAR_VIN_BT656,
 204 };
 205
 206 #define MARZEN_CAMERA(idx)                                      \
 207 static struct i2c_board_info camera##idx##_info = {             \
 208         I2C_BOARD_INFO("adv7180", 0x20 + (idx)),                \
 209 };                                                              \
 210                                                                 \
 211 static struct soc_camera_link iclink##idx##_adv7180 = {         \
 212         .bus_id         = 1 + 2 * (idx),                        \
 213         .i2c_adapter_id = 0,                                    \
 214         .board_info     = &camera##idx##_info,                  \
 215 };                                                              \
 216                                                                 \
 217 static struct platform_device camera##idx##_device = {          \
 218         .name   = "soc-camera-pdrv",                            \
 219         .id     = idx,                                          \
 220         .dev    = {                                             \
 221                 .platform_data  = &iclink##idx##_adv7180,       \
 222         },                                                      \
 223 };
 224
 225 MARZEN_CAMERA(0);
 226 MARZEN_CAMERA(1);
 227
 228 static struct platform_device *marzen_devices[] __initdata = {
 229         &eth_device,
 230         &sdhi0_device,
 231         &thermal_device,
 232         &hspi_device,
 233         &leds_device,
 234         &usb_phy,
 235         &camera0_device,
 236         &camera1_device,
 237 };
 238
 239 static const struct pinctrl_map marzen_pinctrl_map[] = {
 240         /* HSPI0 */
 241         PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
 242                                   "hspi0", "hspi0"),
 243         /* SCIF2 (CN18: DEBUG0) */
 244         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
 245                                   "scif2_data_c", "scif2"),
 246         /* SCIF4 (CN19: DEBUG1) */
 247         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
 248                                   "scif4_data", "scif4"),
 249         /* SDHI0 */
 250         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 251                                   "sdhi0_data4", "sdhi0"),
 252         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 253                                   "sdhi0_ctrl", "sdhi0"),
 254         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 255                                   "sdhi0_cd", "sdhi0"),
 256         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 257                                   "sdhi0_wp", "sdhi0"),
 258         /* SMSC */
 259         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
 260                                   "intc_irq1_b", "intc"),
 261         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
 262                                   "lbsc_ex_cs0", "lbsc"),
 263         /* USB0 */
 264         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
 265                                   "usb0", "usb0"),
 266         /* USB1 */
 267         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
 268                                   "usb1", "usb1"),
 269         /* USB2 */
 270         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.1", "pfc-r8a7779",
 271                                   "usb2", "usb2"),
 272         /* VIN1 */
 273         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
 274                                   "vin1_clk", "vin1"),
 275         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
 276                                   "vin1_data8", "vin1"),
 277         /* VIN3 */
 278         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
 279                                   "vin3_clk", "vin3"),
 280         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
 281                                   "vin3_data8", "vin3"),
 282 };
 283
 284 static void __init marzen_init(void)
 285 {
 286         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 287                                 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 288         regulator_register_fixed(1, dummy_supplies,
 289                                 ARRAY_SIZE(dummy_supplies));
 290
 291         pinctrl_register_mappings(marzen_pinctrl_map,
 292                                   ARRAY_SIZE(marzen_pinctrl_map));
 293         r8a7779_pinmux_init();
 294         r8a7779_init_irq_extpin(1); /* IRQ1 as individual interrupt */
 295
 296         r8a7779_add_standard_devices();
 297         r8a7779_add_vin_device(1, &vin_platform_data);
 298         r8a7779_add_vin_device(3, &vin_platform_data);
 299         platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
 300 }
 301
 302 static const char *marzen_boards_compat_dt[] __initdata = {
 303         "renesas,marzen",
 304         NULL,
 305 };
 306
 307 DT_MACHINE_START(MARZEN, "marzen")
 308         .smp            = smp_ops(r8a7779_smp_ops),
 309         .map_io         = r8a7779_map_io,
 310         .init_early     = r8a7779_add_early_devices,
 311         .init_irq       = r8a7779_init_irq_dt,
 312         .init_machine   = marzen_init,
 313         .init_late      = r8a7779_init_late,
 314         .dt_compat      = marzen_boards_compat_dt,
 315         .init_time      = r8a7779_earlytimer_init,
 316 MACHINE_END