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/*
* Lager board support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Magnus Damm
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/sh_eth.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a7790.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
/* LEDS */
static struct gpio_led lager_leds[] = {
{
.name = "led8",
.gpio = RCAR_GP_PIN(5, 17),
.default_state = LEDS_GPIO_DEFSTATE_ON,
}, {
.name = "led7",
.gpio = RCAR_GP_PIN(4, 23),
.default_state = LEDS_GPIO_DEFSTATE_ON,
}, {
.name = "led6",
.gpio = RCAR_GP_PIN(4, 22),
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
};
static __initdata struct gpio_led_platform_data lager_leds_pdata = {
.leds = lager_leds,
.num_leds = ARRAY_SIZE(lager_leds),
};
/* GPIO KEY */
#define GPIO_KEY(c, g, d, ...) \
{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
static struct gpio_keys_button gpio_buttons[] = {
GPIO_KEY(KEY_4, RCAR_GP_PIN(1, 28), "SW2-pin4"),
GPIO_KEY(KEY_3, RCAR_GP_PIN(1, 26), "SW2-pin3"),
GPIO_KEY(KEY_2, RCAR_GP_PIN(1, 24), "SW2-pin2"),
GPIO_KEY(KEY_1, RCAR_GP_PIN(1, 14), "SW2-pin1"),
};
static __initdata struct gpio_keys_platform_data lager_keys_pdata = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
/* Fixed 3.3V regulator to be used by MMCIF */
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mmcif.1"),
};
/* MMCIF */
static struct sh_mmcif_plat_data mmcif1_pdata __initdata = {
.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
};
static struct resource mmcif1_resources[] __initdata = {
DEFINE_RES_MEM_NAMED(0xee220000, 0x80, "MMCIF1"),
DEFINE_RES_IRQ(gic_spi(170)),
};
/* Ether */
static struct sh_eth_plat_data ether_pdata __initdata = {
.phy = 0x1,
.edmac_endian = EDMAC_LITTLE_ENDIAN,
.phy_interface = PHY_INTERFACE_MODE_RMII,
.ether_link_active_low = 1,
};
static struct resource ether_resources[] __initdata = {
DEFINE_RES_MEM(0xee700000, 0x400),
DEFINE_RES_IRQ(gic_spi(162)),
};
static const struct pinctrl_map lager_pinctrl_map[] = {
/* SCIF0 (CN19: DEBUG SERIAL0) */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790",
"scif0_data", "scif0"),
/* SCIF1 (CN20: DEBUG SERIAL1) */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7790",
"scif1_data", "scif1"),
/* MMCIF1 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790",
"mmc1_data8", "mmc1"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790",
"mmc1_ctrl", "mmc1"),
/* Ether */
PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
"eth_link", "eth"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
"eth_mdio", "eth"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
"eth_rmii", "eth"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
"intc_irq0", "intc"),
};
static void __init lager_add_standard_devices(void)
{
r8a7790_clock_init();
pinctrl_register_mappings(lager_pinctrl_map,
ARRAY_SIZE(lager_pinctrl_map));
r8a7790_pinmux_init();
r8a7790_add_standard_devices();
platform_device_register_data(&platform_bus, "leds-gpio", -1,
&lager_leds_pdata,
sizeof(lager_leds_pdata));
platform_device_register_data(&platform_bus, "gpio-keys", -1,
&lager_keys_pdata,
sizeof(lager_keys_pdata));
regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
platform_device_register_resndata(&platform_bus, "sh_mmcif", 1,
mmcif1_resources, ARRAY_SIZE(mmcif1_resources),
&mmcif1_pdata, sizeof(mmcif1_pdata));
platform_device_register_resndata(&platform_bus, "r8a7790-ether", -1,
ether_resources,
ARRAY_SIZE(ether_resources),
ðer_pdata, sizeof(ether_pdata));
}
static const char *lager_boards_compat_dt[] __initdata = {
"renesas,lager",
NULL,
};
DT_MACHINE_START(LAGER_DT, "lager")
.smp = smp_ops(r8a7790_smp_ops),
.init_early = r8a7790_init_early,
.init_time = r8a7790_timer_init,
.init_machine = lager_add_standard_devices,
.dt_compat = lager_boards_compat_dt,
MACHINE_END
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