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

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