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ARM: S3C64XX: Add keypad device to the SMDK6410 board 

This patch is to support keypad device to the SMDK6410 board.

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Naveen Krishna Ch 2010-06-22 07:39:18 +09:00 committed by Kukjin Kim
parent 995c48adde
commit 290d0983b8
6 changed files with 74 additions and 0 deletions
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7
arch/arm/mach-s3c64xx/Kconfig
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@ -67,6 +67,11 @@ config S3C64XX_SETUP_FB_24BPP
help
Common setup code for S3C64XX with an 24bpp RGB display helper.
config S3C64XX_SETUP_KEYPAD
bool
help
Common setup code for S3C64XX KEYPAD GPIO configurations
config S3C64XX_SETUP_SDHCI_GPIO
bool
help
@ -107,11 +112,13 @@ config MACH_SMDK6410
select S3C_DEV_USB_HOST
select S3C_DEV_USB_HSOTG
select S3C_DEV_WDT
select SAMSUNG_DEV_KEYPAD
select HAVE_S3C2410_WATCHDOG
select S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_I2C1
select S3C64XX_SETUP_IDE
select S3C64XX_SETUP_FB_24BPP
select S3C64XX_SETUP_KEYPAD
help
Machine support for the Samsung SMDK6410

1
arch/arm/mach-s3c64xx/Makefile
View File

@ -36,6 +36,7 @@ obj-$(CONFIG_S3C64XX_DMA) += dma.o
obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S3C64XX_SETUP_IDE) += setup-ide.o
obj-$(CONFIG_S3C64XX_SETUP_KEYPAD) += setup-keypad.o
obj-$(CONFIG_S3C64XX_SETUP_SDHCI) += setup-sdhci.o
obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o

6
arch/arm/mach-s3c64xx/clock.c
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@ -171,6 +171,12 @@ static struct clk init_clocks_disable[] = {
.ctrlbit = S3C6410_CLKCON_PCLK_IIS2,
}, {
#endif
.name = "keypad",
.id = -1,
.parent = &clk_p,
.enable = s3c64xx_pclk_ctrl,
.ctrlbit = S3C_CLKCON_PCLK_KEYPAD,
}, {
.name = "spi",
.id = 0,
.parent = &clk_p,

2
arch/arm/mach-s3c64xx/include/mach/map.h
View File

@ -67,6 +67,7 @@
#define S3C64XX_PA_USB_HSOTG (0x7C000000)
#define S3C64XX_PA_WATCHDOG (0x7E004000)
#define S3C64XX_PA_RTC (0x7E005000)
#define S3C64XX_PA_KEYPAD (0x7E00A000)
#define S3C64XX_PA_ADC (0x7E00B000)
#define S3C64XX_PA_SYSCON (0x7E00F000)
#define S3C64XX_PA_AC97 (0x7F001000)
@ -124,5 +125,6 @@
#define SAMSUNG_PA_ADC S3C64XX_PA_ADC
#define SAMSUNG_PA_CFCON S3C64XX_PA_CFCON
#define SAMSUNG_PA_KEYPAD S3C64XX_PA_KEYPAD
#endif /* __ASM_ARCH_6400_MAP_H */

24
arch/arm/mach-s3c64xx/mach-smdk6410.c
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@ -17,6 +17,7 @@
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
@ -67,6 +68,7 @@
#include <plat/cpu.h>
#include <plat/adc.h>
#include <plat/ts.h>
#include <plat/keypad.h>
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
@ -247,6 +249,25 @@ static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = {
.setup_gpio = s3c64xx_ide_setup_gpio,
};
static uint32_t smdk6410_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 smdk6410_keymap_data __initdata = {
.keymap = smdk6410_keymap,
.keymap_size = ARRAY_SIZE(smdk6410_keymap),
};
static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
.keymap_data = &smdk6410_keymap_data,
.rows = 2,
.cols = 8,
};
static struct map_desc smdk6410_iodesc[] = {};
static struct platform_device *smdk6410_devices[] __initdata = {
@ -262,6 +283,7 @@ static struct platform_device *smdk6410_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_usb_hsotg,
&s3c64xx_device_iisv4,
&samsung_device_keypad,
#ifdef CONFIG_REGULATOR
&smdk6410_b_pwr_5v,
@ -643,6 +665,8 @@ static void __init smdk6410_machine_init(void)
s3c_i2c1_set_platdata(NULL);
s3c_fb_set_platdata(&smdk6410_lcd_pdata);
samsung_keypad_set_platdata(&smdk6410_keypad_data);
s3c24xx_ts_set_platdata(&s3c_ts_platform);
/* configure nCS1 width to 16 bits */

34
arch/arm/mach-s3c64xx/setup-keypad.c Normal file
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@ -0,0 +1,34 @@
/* linux/arch/arm/mach-s3c64xx/setup-keypad.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* GPIO configuration for S3C64XX 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 GPK pins to special-function 3: KP_ROW[x] */
end = S3C64XX_GPK(8 + rows);
for (gpio = S3C64XX_GPK(8); gpio < end; gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
/* Set all the necessary GPL pins to special-function 3: KP_COL[x] */
end = S3C64XX_GPL(0 + cols);
for (gpio = S3C64XX_GPL(0); gpio < end; gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
}