Commit 3b24f30c authored by Eric Miao's avatar Eric Miao
Browse files

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



Signed-off-by: default avatarEric Miao <eric.miao@marvell.com>
parent 111059e7

arch/arm/mach-pxa/include/mach/littleton.h

+8 −3
Original line number Diff line number Diff line 
#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 */

arch/arm/mach-pxa/littleton.c

+73 −0
Original line number Diff line number Diff line
@@ -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();