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Commit 17ccb834 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Paul Mundt
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ARM: mach-shmobile: ap4evb: Add KEYSC support 



Because AP4 board has capacitor for KEYSC,
we need much time for waiting.

Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 41dcc17c

arch/arm/mach-shmobile/board-ap4evb.c

+61 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ 
#include <linux/io.h>

#include <linux/smsc911x.h>

#include <linux/gpio.h>

#include <linux/input.h>

#include <linux/input/sh_keysc.h>

#include <mach/common.h>

#include <mach/sh7372.h>

#include <asm/mach-types.h>
@@ -77,6 +79,15 @@ 
 *  OFF		access enable

 */



/*

 * KEYSC

 *

 * SW43		KEYSC

 * -------------------------

 * ON		enable

 * OFF		disable

 */



/* MTD */

static struct mtd_partition nor_flash_partitions[] = {

	{
@@ -158,9 +169,47 @@ static struct platform_device smc911x_device = { 
	},

};



/* KEYSC (Needs SW43 set to ON) */

static struct sh_keysc_info keysc_info = {

	.mode		= SH_KEYSC_MODE_1,

	.scan_timing	= 3,

	.delay		= 2500,

	.keycodes = {

		KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,

		KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,

		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,

		KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,

		KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,

	},

};



static struct resource keysc_resources[] = {

	[0] = {

		.name	= "KEYSC",

		.start  = 0xe61b0000,

		.end    = 0xe61b0063,

		.flags  = IORESOURCE_MEM,

	},

	[1] = {

		.start  = 79,

		.flags  = IORESOURCE_IRQ,

	},

};



static struct platform_device keysc_device = {

	.name           = "sh_keysc",

	.id             = 0, /* "keysc0" clock */

	.num_resources  = ARRAY_SIZE(keysc_resources),

	.resource       = keysc_resources,

	.dev	= {

		.platform_data	= &keysc_info,

	},

};



static struct platform_device *ap4evb_devices[] __initdata = {

	&nor_flash_device,

	&smc911x_device,

	&keysc_device,

};



static struct map_desc ap4evb_io_desc[] __initdata = {
@@ -225,6 +274,18 @@ static void __init ap4evb_init(void) 
	gpio_export(GPIO_PORT34, 0);

	gpio_export(GPIO_PORT35, 0);



	/* enable KEYSC */

	gpio_request(GPIO_FN_KEYOUT0, NULL);

	gpio_request(GPIO_FN_KEYOUT1, NULL);

	gpio_request(GPIO_FN_KEYOUT2, NULL);

	gpio_request(GPIO_FN_KEYOUT3, NULL);

	gpio_request(GPIO_FN_KEYOUT4, NULL);

	gpio_request(GPIO_FN_KEYIN0_136, NULL);

	gpio_request(GPIO_FN_KEYIN1_135, NULL);

	gpio_request(GPIO_FN_KEYIN2_134, NULL);

	gpio_request(GPIO_FN_KEYIN3_133, NULL);

	gpio_request(GPIO_FN_KEYIN4,     NULL);



	sh7372_add_standard_devices();



	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));