[PATCH 2/5] ARM: S5PV210: Add keypad device helpers
From: Joonyoung Shim <hidden>
Date: 2010-05-28 11:51:42
Also in:
linux-arm-kernel, linux-samsung-soc
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
This patch adds the keypad device platform helpers for S5PV210 cpu. Signed-off-by: Joonyoung Shim <redacted> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> --- arch/arm/mach-s5pv210/Kconfig | 5 ++++ arch/arm/mach-s5pv210/Makefile | 1 + arch/arm/mach-s5pv210/include/mach/map.h | 3 ++ arch/arm/mach-s5pv210/setup-keypad.c | 34 ++++++++++++++++++++++++++++++ 4 files changed, 43 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-s5pv210/setup-keypad.c
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 7e2e1eb..04d3992 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig@@ -32,6 +32,11 @@ config S5PV210_SETUP_FB_24BPP help Common setup code for S5PV210 with an 24bpp RGB display helper. +config S5PV210_SETUP_KEYPAD + bool + help + Common setup code for keypad. + config S5PV210_SETUP_SDHCI bool select S5PV210_SETUP_SDHCI_GPIO
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 30be9a6..aae592a 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile@@ -31,5 +31,6 @@ obj-$(CONFIG_S5PC110_DEV_ONENAND) += dev-onenand.o obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o +obj-$(CONFIG_S5PV210_SETUP_KEYPAD) += setup-keypad.o obj-$(CONFIG_S5PV210_SETUP_SDHCI) += setup-sdhci.o obj-$(CONFIG_S5PV210_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 9f4c368..17687f0 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h@@ -32,6 +32,8 @@ #define S5PV210_PA_SPI0 0xE1300000 #define S5PV210_PA_SPI1 0xE1400000 +#define S5PV210_PA_KEYPAD (0xE1600000) + #define S5PV210_PA_IIC0 (0xE1800000) #define S5PV210_PA_IIC1 (0xFAB00000) #define S5PV210_PA_IIC2 (0xE1A00000)
@@ -104,5 +106,6 @@ #define S3C_PA_WDT S5PV210_PA_WATCHDOG #define SAMSUNG_PA_ADC S5PV210_PA_ADC +#define SAMSUNG_PA_KEYPAD S5PV210_PA_KEYPAD #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/setup-keypad.c b/arch/arm/mach-s5pv210/setup-keypad.c
new file mode 100644
index 0000000..03a9de1
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-keypad.c@@ -0,0 +1,34 @@ +/* + * linux/arch/arm/mach-s5pv210/setup-keypad.c + * + * Copyright (C) 2010 Samsung Electronics Co.Ltd + * Author: Joonyoung Shim <jy0922.shim@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <mach/gpio.h> +#include <plat/gpio-cfg.h> + +void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) +{ + unsigned int gpio, end; + + /* Set all the necessary GPH3 pins to special-function 3 */ + end = S5PV210_GPH3(rows); + for (gpio = S5PV210_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 */ + end = S5PV210_GPH2(cols); + for (gpio = S5PV210_GPH2(0); gpio < end; gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } +}
--
1.7.0.4