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721319d1ab
Enable Koelsch GPIO switch for GPIO input and IRQ testing purpose. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*
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* Koelsch board support
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*
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* Copyright (C) 2013 Renesas Electronics Corporation
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* Copyright (C) 2013 Renesas Solutions Corp.
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* Copyright (C) 2013 Magnus Damm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/kernel.h>
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#include <linux/leds.h>
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#include <linux/platform_data/gpio-rcar.h>
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#include <linux/platform_device.h>
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#include <mach/common.h>
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#include <mach/r8a7791.h>
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#include <mach/rcar-gen2.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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/* LEDS */
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static struct gpio_led koelsch_leds[] = {
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{
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.name = "led8",
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.gpio = RCAR_GP_PIN(2, 21),
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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}, {
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.name = "led7",
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.gpio = RCAR_GP_PIN(2, 20),
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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}, {
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.name = "led6",
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.gpio = RCAR_GP_PIN(2, 19),
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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};
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static const struct gpio_led_platform_data koelsch_leds_pdata __initconst = {
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.leds = koelsch_leds,
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.num_leds = ARRAY_SIZE(koelsch_leds),
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};
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/* GPIO KEY */
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#define GPIO_KEY(c, g, d, ...) \
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{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
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static struct gpio_keys_button gpio_buttons[] = {
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GPIO_KEY(KEY_4, RCAR_GP_PIN(5, 3), "SW2-pin4"),
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GPIO_KEY(KEY_3, RCAR_GP_PIN(5, 2), "SW2-pin3"),
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GPIO_KEY(KEY_2, RCAR_GP_PIN(5, 1), "SW2-pin2"),
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GPIO_KEY(KEY_1, RCAR_GP_PIN(5, 0), "SW2-pin1"),
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};
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static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {
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.buttons = gpio_buttons,
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.nbuttons = ARRAY_SIZE(gpio_buttons),
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};
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static void __init koelsch_add_standard_devices(void)
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{
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r8a7791_clock_init();
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r8a7791_pinmux_init();
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r8a7791_add_standard_devices();
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platform_device_register_data(&platform_bus, "leds-gpio", -1,
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&koelsch_leds_pdata,
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sizeof(koelsch_leds_pdata));
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platform_device_register_data(&platform_bus, "gpio-keys", -1,
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&koelsch_keys_pdata,
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sizeof(koelsch_keys_pdata));
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}
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static const char * const koelsch_boards_compat_dt[] __initconst = {
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"renesas,koelsch",
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NULL,
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};
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DT_MACHINE_START(KOELSCH_DT, "koelsch")
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.smp = smp_ops(r8a7791_smp_ops),
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.init_early = r8a7791_init_early,
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.init_machine = koelsch_add_standard_devices,
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.init_time = rcar_gen2_timer_init,
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.dt_compat = koelsch_boards_compat_dt,
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MACHINE_END
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