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

   1 /*
   2  * Lager board support
   3  *
   4  * Copyright (C) 2013  Renesas Solutions Corp.
   5  * Copyright (C) 2013  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/gpio.h>
  22 #include <linux/gpio_keys.h>
  23 #include <linux/input.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/kernel.h>
  26 #include <linux/leds.h>
  27 #include <linux/mmc/host.h>
  28 #include <linux/mmc/sh_mmcif.h>
  29 #include <linux/pinctrl/machine.h>
  30 #include <linux/platform_data/gpio-rcar.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/regulator/fixed.h>
  33 #include <linux/regulator/machine.h>
  34 #include <linux/sh_eth.h>
  35 #include <mach/common.h>
  36 #include <mach/irqs.h>
  37 #include <mach/r8a7790.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40
  41 /* LEDS */
  42 static struct gpio_led lager_leds[] = {
  43         {
  44                 .name           = "led8",
  45                 .gpio           = RCAR_GP_PIN(5, 17),
  46                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
  47         }, {
  48                 .name           = "led7",
  49                 .gpio           = RCAR_GP_PIN(4, 23),
  50                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
  51         }, {
  52                 .name           = "led6",
  53                 .gpio           = RCAR_GP_PIN(4, 22),
  54                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
  55         },
  56 };
  57
  58 static __initdata struct gpio_led_platform_data lager_leds_pdata = {
  59         .leds           = lager_leds,
  60         .num_leds       = ARRAY_SIZE(lager_leds),
  61 };
  62
  63 /* GPIO KEY */
  64 #define GPIO_KEY(c, g, d, ...) \
  65         { .code = c, .gpio = g, .desc = d, .active_low = 1 }
  66
  67 static struct gpio_keys_button gpio_buttons[] = {
  68         GPIO_KEY(KEY_4,         RCAR_GP_PIN(1, 28),     "SW2-pin4"),
  69         GPIO_KEY(KEY_3,         RCAR_GP_PIN(1, 26),     "SW2-pin3"),
  70         GPIO_KEY(KEY_2,         RCAR_GP_PIN(1, 24),     "SW2-pin2"),
  71         GPIO_KEY(KEY_1,         RCAR_GP_PIN(1, 14),     "SW2-pin1"),
  72 };
  73
  74 static __initdata struct gpio_keys_platform_data lager_keys_pdata = {
  75         .buttons        = gpio_buttons,
  76         .nbuttons       = ARRAY_SIZE(gpio_buttons),
  77 };
  78
  79 /* Fixed 3.3V regulator to be used by MMCIF */
  80 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
  81 {
  82         REGULATOR_SUPPLY("vmmc", "sh_mmcif.1"),
  83 };
  84
  85 /* MMCIF */
  86 static struct sh_mmcif_plat_data mmcif1_pdata __initdata = {
  87         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
  88 };
  89
  90 static struct resource mmcif1_resources[] __initdata = {
  91         DEFINE_RES_MEM_NAMED(0xee220000, 0x80, "MMCIF1"),
  92         DEFINE_RES_IRQ(gic_spi(170)),
  93 };
  94
  95 /* Ether */
  96 static struct sh_eth_plat_data ether_pdata __initdata = {
  97         .phy                    = 0x1,
  98         .edmac_endian           = EDMAC_LITTLE_ENDIAN,
  99         .phy_interface          = PHY_INTERFACE_MODE_RMII,
 100         .ether_link_active_low  = 1,
 101 };
 102
 103 static struct resource ether_resources[] __initdata = {
 104         DEFINE_RES_MEM(0xee700000, 0x400),
 105         DEFINE_RES_IRQ(gic_spi(162)),
 106 };
 107
 108 static const struct pinctrl_map lager_pinctrl_map[] = {
 109         /* SCIF0 (CN19: DEBUG SERIAL0) */
 110         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790",
 111                                   "scif0_data", "scif0"),
 112         /* SCIF1 (CN20: DEBUG SERIAL1) */
 113         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7790",
 114                                   "scif1_data", "scif1"),
 115         /* MMCIF1 */
 116         PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790",
 117                                   "mmc1_data8", "mmc1"),
 118         PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790",
 119                                   "mmc1_ctrl", "mmc1"),
 120         /* Ether */
 121         PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
 122                                   "eth_link", "eth"),
 123         PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
 124                                   "eth_mdio", "eth"),
 125         PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
 126                                   "eth_rmii", "eth"),
 127         PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
 128                                   "intc_irq0", "intc"),
 129 };
 130
 131 static void __init lager_add_standard_devices(void)
 132 {
 133         r8a7790_clock_init();
 134
 135         pinctrl_register_mappings(lager_pinctrl_map,
 136                                   ARRAY_SIZE(lager_pinctrl_map));
 137         r8a7790_pinmux_init();
 138
 139         r8a7790_add_standard_devices();
 140         platform_device_register_data(&platform_bus, "leds-gpio", -1,
 141                                       &lager_leds_pdata,
 142                                       sizeof(lager_leds_pdata));
 143         platform_device_register_data(&platform_bus, "gpio-keys", -1,
 144                                       &lager_keys_pdata,
 145                                       sizeof(lager_keys_pdata));
 146         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 147                                      ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 148         platform_device_register_resndata(&platform_bus, "sh_mmcif", 1,
 149                                           mmcif1_resources, ARRAY_SIZE(mmcif1_resources),
 150                                           &mmcif1_pdata, sizeof(mmcif1_pdata));
 151
 152         platform_device_register_resndata(&platform_bus, "r8a7790-ether", -1,
 153                                           ether_resources,
 154                                           ARRAY_SIZE(ether_resources),
 155                                           &ether_pdata, sizeof(ether_pdata));
 156 }
 157
 158 static const char *lager_boards_compat_dt[] __initdata = {
 159         "renesas,lager",
 160         NULL,
 161 };
 162
 163 DT_MACHINE_START(LAGER_DT, "lager")
 164         .init_early     = r8a7790_init_delay,
 165         .init_time      = r8a7790_timer_init,
 166         .init_machine   = lager_add_standard_devices,
 167         .dt_compat      = lager_boards_compat_dt,
 168 MACHINE_END