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ARM: mach-shmobile: ag5evm: scan keyboard support

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This consists of platform device resources/data for the board, and
simple clvdev entry for MSTP bit for keysc module.

This support only 49 of 80 key-switches on the board.

Signed-off-by: Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Yoshii Takashi 2010-11-19 13:15:46 +00:00 committed by Paul Mundt
parent 3256c78988
commit 2d22d48660
2 changed files with 67 additions and 1 deletions
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64
arch/arm/mach-shmobile/board-ag5evm.c
View File

@ -30,6 +30,9 @@
#include <linux/serial_sci.h>
#include <linux/smsc911x.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <mach/hardware.h>
#include <mach/sh73a0.h>
#include <mach/common.h>
@ -70,8 +73,49 @@ static struct platform_device eth_device = {
.num_resources = ARRAY_SIZE(smsc9220_resources),
};
static struct sh_keysc_info keysc_platdata = {
.mode = SH_KEYSC_MODE_6,
.scan_timing = 3,
.delay = 100,
.keycodes = {
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, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
KEY_COFFEE,
KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
KEY_COMPUTER,
},
};
static struct resource keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0xe61b0000,
.end = 0xe61b0098 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(71),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device keysc_device = {
.name = "sh_keysc",
.id = 0,
.num_resources = ARRAY_SIZE(keysc_resources),
.resource = keysc_resources,
.dev = {
.platform_data = &keysc_platdata,
},
};
static struct platform_device *ag5evm_devices[] __initdata = {
&eth_device,
&keysc_device,
};
static struct map_desc ag5evm_io_desc[] __initdata = {
@ -129,6 +173,26 @@ static void __init ag5evm_init(void)
gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
/* enable KEYSC */
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_KEYIN5, NULL);
gpio_request(GPIO_FN_KEYIN6, NULL);
gpio_request(GPIO_FN_KEYIN7, NULL);
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_KEYOUT5, NULL);
gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
gpio_request(GPIO_FN_KEYOUT8, NULL);
gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
/* enable SMSC911X */
gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
gpio_direction_input(GPIO_PORT144);

4
arch/arm/mach-shmobile/clock-sh73a0.c
View File

@ -47,7 +47,7 @@ static struct clk *main_clks[] = {
enum { MSTP219,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
MSTP331, MSTP329,
MSTP331, MSTP329, MSTP403,
MSTP_NR };
#define MSTP(_parent, _reg, _bit, _flags) \
@ -64,6 +64,7 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP200] = MSTP(&sub_clk, SMSTPCR2, 0, 0), /* SCIFA4 */
[MSTP331] = MSTP(&sub_clk, SMSTPCR3, 31, 0), /* SCIFA6 */
[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
[MSTP403] = MSTP(&r_clk, SMSTPCR4, 0, 0), /* KEYSC0 */
};
#define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }
@ -80,6 +81,7 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC0 */
};
void __init sh73a0_clock_init(void)