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[ARM] pxa/littleton: add preliminary I2C board info (da9034 + max7320)

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Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Eric Miao 2008-12-10 17:04:38 +08:00
parent 111059e7f4
commit 3b24f30c4f
2 changed files with 81 additions and 3 deletions
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11
arch/arm/mach-pxa/include/mach/littleton.h
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@ -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 */

73
arch/arm/mach-pxa/littleton.c
View File

@ -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();