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authorNaveen Krishna Ch <ch.naveen@samsung.com>2010-06-22 07:54:18 +0900
committerKukjin Kim <kgene.kim@samsung.com>2010-08-05 18:30:51 +0900
commit2211f28cdaf416f566ec4af0e431dc04393e9c14 (patch)
treeaa6a26f3dd78a98a2bc7182bfe1a555c1c33f58a /arch
parent32018a8c83903199206c9d98f54006e69ec55dd4 (diff)
ARM: S5PC100: Add keypad device to the SMDKC100 board
This patch is to support keypad device to the SMDKC100 board. Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-s5pc100/Kconfig7
-rw-r--r--arch/arm/mach-s5pc100/Makefile1
-rw-r--r--arch/arm/mach-s5pc100/include/mach/map.h2
-rw-r--r--arch/arm/mach-s5pc100/mach-smdkc100.c24
-rw-r--r--arch/arm/mach-s5pc100/setup-keypad.c34
5 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index a7ba205f3c1..cd7f4e95d23 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -30,6 +30,11 @@ config S5PC100_SETUP_IDE
help
Common setup code for S5PC100 IDE GPIO configurations
+config S5PC100_SETUP_KEYPAD
+ bool
+ help
+ Common setup code for KEYPAD GPIO configurations.
+
config S5PC100_SETUP_SDHCI
bool
select S5PC100_SETUP_SDHCI_GPIO
@@ -51,12 +56,14 @@ config MACH_SMDKC100
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC1
select S3C_DEV_HSMMC2
+ select SAMSUNG_DEV_KEYPAD
select SAMSUNG_DEV_TS
select S3C_DEV_WDT
select HAVE_S3C2410_WATCHDOG
select S5PC100_SETUP_FB_24BPP
select S5PC100_SETUP_I2C1
select S5PC100_SETUP_IDE
+ select S5PC100_SETUP_KEYPAD
select S5PC100_SETUP_SDHCI
help
Machine support for the Samsung SMDKC100
diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index ab3ebe2f5d2..a021ed1fb4b 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_CPU_S5PC100) += dma.o
obj-$(CONFIG_S5PC100_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S5PC100_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S5PC100_SETUP_IDE) += setup-ide.o
+obj-$(CONFIG_S5PC100_SETUP_KEYPAD) += setup-keypad.o
obj-$(CONFIG_S5PC100_SETUP_SDHCI) += setup-sdhci.o
obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index 66b62608143..809ff90824c 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -137,11 +137,13 @@
#define S3C_PA_HSMMC2 S5PC100_PA_HSMMC(2)
#define S3C_PA_KEYPAD S5PC100_PA_KEYPAD
#define S3C_PA_WDT S5PC100_PA_WATCHDOG
+#define S3C_PA_TSADC S5PC100_PA_TSADC
#define S3C_PA_ONENAND S5PC100_PA_ONENAND
#define S3C_PA_ONENAND_BUF S5PC100_PA_ONENAND_BUF
#define S3C_SZ_ONENAND_BUF S5PC100_SZ_ONENAND_BUF
#define SAMSUNG_PA_ADC S5PC100_PA_TSADC
#define SAMSUNG_PA_CFCON S5PC100_PA_CFCON
+#define SAMSUNG_PA_KEYPAD S5PC100_PA_KEYPAD
#endif /* __ASM_ARCH_C100_MAP_H */
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index bf1b9271f34..a00dd090f1a 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -22,6 +22,7 @@
#include <linux/i2c.h>
#include <linux/fb.h>
#include <linux/delay.h>
+#include <linux/input.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -44,6 +45,7 @@
#include <plat/iic.h>
#include <plat/ata.h>
#include <plat/adc.h>
+#include <plat/keypad.h>
#include <plat/ts.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
@@ -156,6 +158,25 @@ static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = {
.setup_gpio = s5pc100_ide_setup_gpio,
};
+static uint32_t smdkc100_keymap[] __initdata = {
+ /* KEY(row, col, keycode) */
+ KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
+ KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
+ KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
+ KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
+};
+
+static struct matrix_keymap_data smdkc100_keymap_data __initdata = {
+ .keymap = smdkc100_keymap,
+ .keymap_size = ARRAY_SIZE(smdkc100_keymap),
+};
+
+static struct samsung_keypad_platdata smdkc100_keypad_data __initdata = {
+ .keymap_data = &smdkc100_keymap_data,
+ .rows = 2,
+ .cols = 8,
+};
+
static struct platform_device *smdkc100_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_cfcon,
@@ -169,6 +190,7 @@ static struct platform_device *smdkc100_devices[] __initdata = {
&s3c_device_wdt,
&smdkc100_lcd_powerdev,
&s5pc100_device_iis0,
+ &samsung_device_keypad,
&s5pc100_device_ac97,
};
@@ -198,6 +220,8 @@ static void __init smdkc100_machine_init(void)
s3c_fb_set_platdata(&smdkc100_lcd_pdata);
s3c_ide_set_platdata(&smdkc100_ide_pdata);
+ samsung_keypad_set_platdata(&smdkc100_keypad_data);
+
/* LCD init */
gpio_request(S5PC100_GPD(0), "GPD");
gpio_request(S5PC100_GPH0(6), "GPH0");
diff --git a/arch/arm/mach-s5pc100/setup-keypad.c b/arch/arm/mach-s5pc100/setup-keypad.c
new file mode 100644
index 00000000000..d0837a72a58
--- /dev/null
+++ b/arch/arm/mach-s5pc100/setup-keypad.c
@@ -0,0 +1,34 @@
+/* linux/arch/arm/mach-s5pc100/setup-keypad.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * GPIO configuration for S5PC100 KeyPad device
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/gpio.h>
+#include <plat/gpio-cfg.h>
+
+void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
+{
+ unsigned int gpio;
+ unsigned int end;
+
+ /* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */
+ end = S5PC100_GPH3(rows);
+ for (gpio = S5PC100_GPH3(0); gpio < end; gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ /* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
+ end = S5PC100_GPH2(cols);
+ for (gpio = S5PC100_GPH2(0); gpio < end; gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+}