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Commit 721319d1 authored by Magnus Damm's avatar Magnus Damm Committed by Simon Horman
Browse files

ARM: shmobile: Add Koelsch SW2 support 



Enable Koelsch GPIO switch for GPIO input and IRQ testing purpose.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 87a2934e

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

+22 −0
Original line number Diff line number Diff line
@@ -19,6 +19,9 @@ 
 * 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/kernel.h>

#include <linux/leds.h>

#include <linux/platform_data/gpio-rcar.h>
@@ -51,6 +54,22 @@ static const struct gpio_led_platform_data koelsch_leds_pdata __initconst = { 
	.num_leds	= ARRAY_SIZE(koelsch_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(5, 3),	"SW2-pin4"),

	GPIO_KEY(KEY_3,		RCAR_GP_PIN(5, 2),	"SW2-pin3"),

	GPIO_KEY(KEY_2,		RCAR_GP_PIN(5, 1),	"SW2-pin2"),

	GPIO_KEY(KEY_1,		RCAR_GP_PIN(5, 0),	"SW2-pin1"),

};



static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {

	.buttons	= gpio_buttons,

	.nbuttons	= ARRAY_SIZE(gpio_buttons),

};



static void __init koelsch_add_standard_devices(void)

{

	r8a7791_clock_init();
@@ -59,6 +78,9 @@ static void __init koelsch_add_standard_devices(void) 
	platform_device_register_data(&platform_bus, "leds-gpio", -1,

				      &koelsch_leds_pdata,

				      sizeof(koelsch_leds_pdata));

	platform_device_register_data(&platform_bus, "gpio-keys", -1,

				      &koelsch_keys_pdata,

				      sizeof(koelsch_keys_pdata));

}



static const char * const koelsch_boards_compat_dt[] __initconst = {