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ARM: mach-shmobile: ap4evb: Add KEYSC support

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

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto 2010-02-23 07:07:01 +00:00 committed by Paul Mundt
parent 41dcc17c73
commit 17ccb834d5
1 changed files with 61 additions and 0 deletions
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61
arch/arm/mach-shmobile/board-ap4evb.c
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@ -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));