Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6b7c0ea2 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

ARM: mach-shmobile: Kota2 GPIO Keys support 



This patch ties in GPIO Keys support on the Kota2
board. For now the keys are used in polling mode,
but after extending the sh73a0 PFC with IRQ support
we should be able to switch to the IRQ driven driver.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent ef4f994a

arch/arm/mach-shmobile/board-kota2.c

+32 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ 
#include <linux/gpio.h>

#include <linux/input.h>

#include <linux/input/sh_keysc.h>

#include <linux/gpio_keys.h>

#include <mach/hardware.h>

#include <mach/sh73a0.h>

#include <mach/common.h>
@@ -114,9 +115,40 @@ static struct platform_device keysc_device = { 
	},

};



#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_VOLUMEUP, GPIO_PORT56, "+"), /* S2: VOL+ [IRQ9] */

	GPIO_KEY(KEY_VOLUMEDOWN, GPIO_PORT54, "-"), /* S3: VOL- [IRQ10] */

	GPIO_KEY(KEY_MENU, GPIO_PORT27, "Menu"), /* S4: MENU [IRQ30] */

	GPIO_KEY(KEY_HOMEPAGE, GPIO_PORT26, "Home"), /* S5: HOME [IRQ31] */

	GPIO_KEY(KEY_BACK, GPIO_PORT11, "Back"), /* S6: BACK [IRQ0] */

	GPIO_KEY(KEY_PHONE, GPIO_PORT238, "Tel"), /* S7: TEL [IRQ11] */

	GPIO_KEY(KEY_POWER, GPIO_PORT239, "C1"), /* S8: CAM [IRQ13] */

	GPIO_KEY(KEY_MAIL, GPIO_PORT224, "Mail"), /* S9: MAIL [IRQ3] */

	/* Omitted button "C3?": GPIO_PORT223 - S10: CUST [IRQ8] */

	GPIO_KEY(KEY_CAMERA, GPIO_PORT164, "C2"), /* S11: CAM_HALF [IRQ25] */

	/* Omitted button "?": GPIO_PORT152 - S12: CAM_FULL [No IRQ] */

};



static struct gpio_keys_platform_data gpio_key_info = {

	.buttons        = gpio_buttons,

	.nbuttons       = ARRAY_SIZE(gpio_buttons),

	.poll_interval  = 250, /* polled for now */

};



static struct platform_device gpio_keys_device = {

	.name   = "gpio-keys-polled", /* polled for now */

	.id     = -1,

	.dev    = {

		.platform_data  = &gpio_key_info,

	},

};



static struct platform_device *kota2_devices[] __initdata = {

	&eth_device,

	&keysc_device,

	&gpio_keys_device,

};



static struct map_desc kota2_io_desc[] __initdata = {