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authorEric Miao <eric.miao@marvell.com>2008-12-10 17:04:38 +0800
committerEric Miao <eric.miao@marvell.com>2008-12-17 22:52:12 +0800
commit3b24f30c4f678cfab5c6d090af9559fefa37cc41 (patch)
tree798cc64b7204152ae974ee120148582e9d6db389
parent111059e7f434f05499995aba6b25347bbd6313f2 (diff)
downloadlinux-linaro-stable-3b24f30c4f678cfab5c6d090af9559fefa37cc41.tar.gz
[ARM] pxa/littleton: add preliminary I2C board info (da9034 + max7320)
Signed-off-by: Eric Miao <eric.miao@marvell.com>
-rw-r--r--arch/arm/mach-pxa/include/mach/littleton.h11
-rw-r--r--arch/arm/mach-pxa/littleton.c73
2 files changed, 81 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/include/mach/littleton.h b/arch/arm/mach-pxa/include/mach/littleton.h
index 5c4e320c1437..6c9b21c51322 100644
--- a/arch/arm/mach-pxa/include/mach/littleton.h
+++ b/arch/arm/mach-pxa/include/mach/littleton.h
@@ -1,8 +1,13 @@
-#ifndef __ASM_ARCH_ZYLONITE_H
-#define __ASM_ARCH_ZYLONITE_H
+#ifndef __ASM_ARCH_LITTLETON_H
+#define __ASM_ARCH_LITTLETON_H
+
+#include <mach/gpio.h>
#define LITTLETON_ETH_PHYS 0x30000000
#define LITTLETON_GPIO_LCD_CS (17)
-#endif /* __ASM_ARCH_ZYLONITE_H */
+#define EXT0_GPIO_BASE (NR_BUILTIN_GPIO)
+#define EXT0_GPIO(x) (EXT0_GPIO_BASE + (x))
+
+#endif /* __ASM_ARCH_LITTLETON_H */
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 5609f52e36b1..31da7f3c06f6 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -23,6 +23,10 @@
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/smc91x.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/mfd/da903x.h>
+#include <linux/i2c/max732x.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -40,6 +44,7 @@
#include <mach/pxafb.h>
#include <mach/ssp.h>
#include <mach/pxa2xx_spi.h>
+#include <mach/i2c.h>
#include <mach/pxa27x_keypad.h>
#include <mach/pxa3xx_nand.h>
#include <mach/littleton.h>
@@ -314,6 +319,73 @@ static void __init littleton_init_nand(void)
static inline void littleton_init_nand(void) {}
#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
+#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
+static struct led_info littleton_da9034_leds[] = {
+ [0] = {
+ .name = "littleton:keypad1",
+ .flags = DA9034_LED_RAMP,
+ },
+ [1] = {
+ .name = "littleton:keypad2",
+ .flags = DA9034_LED_RAMP,
+ },
+ [2] = {
+ .name = "littleton:vibra",
+ .flags = 0,
+ },
+};
+
+static struct da903x_subdev_info littleton_da9034_subdevs[] = {
+ {
+ .name = "da903x-led",
+ .id = DA9034_ID_LED_1,
+ .platform_data = &littleton_da9034_leds[0],
+ }, {
+ .name = "da903x-led",
+ .id = DA9034_ID_LED_2,
+ .platform_data = &littleton_da9034_leds[1],
+ }, {
+ .name = "da903x-led",
+ .id = DA9034_ID_VIBRA,
+ .platform_data = &littleton_da9034_leds[2],
+ }, {
+ .name = "da903x-backlight",
+ .id = DA9034_ID_WLED,
+ },
+};
+
+static struct da903x_platform_data littleton_da9034_info = {
+ .num_subdevs = ARRAY_SIZE(littleton_da9034_subdevs),
+ .subdevs = littleton_da9034_subdevs,
+};
+
+static struct max732x_platform_data littleton_max7320_info = {
+ .gpio_base = EXT0_GPIO_BASE,
+};
+
+static struct i2c_board_info littleton_i2c_info[] = {
+ [0] = {
+ .type = "da9034",
+ .addr = 0x34,
+ .platform_data = &littleton_da9034_info,
+ .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
+ },
+ [1] = {
+ .type = "max7320",
+ .addr = 0x50,
+ .platform_data = &littleton_max7320_info,
+ },
+};
+
+static void __init littleton_init_i2c(void)
+{
+ pxa_set_i2c_info(NULL);
+ i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
+}
+#else
+static inline void littleton_init_i2c(void) {}
+#endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
+
static void __init littleton_init(void)
{
/* initialize MFP configurations */
@@ -326,6 +398,7 @@ static void __init littleton_init(void)
platform_device_register(&smc91x_device);
littleton_init_spi();
+ littleton_init_i2c();
littleton_init_lcd();
littleton_init_keypad();
littleton_init_nand();