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Commit 39a6bf14 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

sh: kfr2r09 board support - KEYSC keypad 



This patch adds KEYSC keypad support to the kfr2r09 board.

The keys driven by the sh7724 on-chip KEYSC block are
described as a platform device and platform data for
the sh_keysc driver.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent a366aa64

arch/sh/boards/mach-kfr2r09/setup.c

+53 −0
Original line number Diff line number Diff line
@@ -14,9 +14,11 @@ 
#include <linux/delay.h>

#include <linux/clk.h>

#include <linux/gpio.h>

#include <linux/input.h>

#include <asm/clock.h>

#include <asm/machvec.h>

#include <asm/io.h>

#include <asm/sh_keysc.h>

#include <cpu/sh7724.h>



static struct mtd_partition kfr2r09_nor_flash_partitions[] =
@@ -58,8 +60,46 @@ static struct platform_device kfr2r09_nor_flash_device = { 
	},

};



static struct sh_keysc_info kfr2r09_sh_keysc_info = {

	.mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */

	.scan_timing = 3,

	.delay = 10,

	.keycodes = {

		KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,

		KEY_1, KEY_2, KEY_3, 0, KEY_UP,

		KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,

		KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,

		KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,

		0, 0, 0, 0, 0

	},

};



static struct resource kfr2r09_sh_keysc_resources[] = {

	[0] = {

		.name	= "KEYSC",

		.start  = 0x044b0000,

		.end    = 0x044b000f,

		.flags  = IORESOURCE_MEM,

	},

	[1] = {

		.start  = 79,

		.flags  = IORESOURCE_IRQ,

	},

};



static struct platform_device kfr2r09_sh_keysc_device = {

	.name           = "sh_keysc",

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

	.num_resources  = ARRAY_SIZE(kfr2r09_sh_keysc_resources),

	.resource       = kfr2r09_sh_keysc_resources,

	.dev	= {

		.platform_data	= &kfr2r09_sh_keysc_info,

	},

};



static struct platform_device *kfr2r09_devices[] __initdata = {

	&kfr2r09_nor_flash_device,

	&kfr2r09_sh_keysc_device,

};



#define BSC_CS0BCR 0xfec10004
@@ -75,6 +115,19 @@ static int __init kfr2r09_devices_setup(void) 
	ctrl_outl(0x36db0400, BSC_CS0BCR);

	ctrl_outl(0x00000500, BSC_CS0WCR);



	/* setup KEYSC pins */

	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_IN6, NULL);

	gpio_request(GPIO_FN_KEYIN0, NULL);

	gpio_request(GPIO_FN_KEYIN1, NULL);

	gpio_request(GPIO_FN_KEYIN2, NULL);

	gpio_request(GPIO_FN_KEYIN3, NULL);

	gpio_request(GPIO_FN_KEYIN4, NULL);

	gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);



	return platform_add_devices(kfr2r09_devices,

				    ARRAY_SIZE(kfr2r09_devices));

}