@@ -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
@@ -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
@@ -33,6 +33,7 @@
#include <plat/clock.h>
#include <plat/s5pv210.h>
#include <plat/iic-core.h>
+#include <plat/keypad-core.h>
#include <plat/sdhci.h>
/* Initial IO mappings */
@@ -91,6 +92,9 @@ void __init s5pv210_map_io(void)
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
s3c_i2c2_setname("s3c2440-i2c");
+
+ /* Use s5pv210-keypad instead of samsung-keypad */
+ samsung_keypad_setname("s5pv210-keypad");
}
void __init s5pv210_init_clocks(int xtal)
@@ -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 */
new file mode 100644
@@ -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 <linux/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: KP_ROW[x] */
+ 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: KP_COL[x] */
+ 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);
+ }
+}
new file mode 100644
@@ -0,0 +1,31 @@
+/*
+ * linux/arch/arm/plat-samsung/include/plat/keypad-core.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ * Samsung keypad controller core function
+ *
+ * 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.
+ *
+ */
+
+#ifndef __ASM_ARCH_KEYPAD_CORE_H
+#define __ASM_ARCH_KEYPAD_CORE_H
+
+/* These function are only for use with the core support code, such as
+ * the cpu specific initialisation code
+ */
+
+/* re-define device name depending on support. */
+static inline void samsung_keypad_setname(char *name)
+{
+#ifdef CONFIG_SAMSUNG_DEV_KEYPAD
+ samsung_device_keypad.name = name;
+#endif
+}
+
+#endif /* __ASM_ARCH_KEYPAD_CORE_H */