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Commit 91d139cf authored by Enric Balletbo i Serra's avatar Enric Balletbo i Serra Committed by Tony Lindgren
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omap3: Add i2c eeprom driver to read EDID on IGEP v2 



Add i2c eeprom driver to access monitor EDID binary information
from user space, something that is required by 'decode-edid' and
'parse-edid'.

Signed-off-by: default avatarEnric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 5a9fcc99

arch/arm/mach-omap2/board-igep0020.c

+24 −9
Original line number Diff line number Diff line
@@ -542,7 +542,7 @@ static struct twl4030_platform_data igep2_twldata = { 


};



static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = {

static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {

	{

		I2C_BOARD_INFO("twl4030", 0x48),

		.flags		= I2C_CLIENT_WAKE,
@@ -551,14 +551,29 @@ static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = { 
	},

};



static int __init igep2_i2c_init(void)

static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {

	{

	omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo,

			ARRAY_SIZE(igep2_i2c_boardinfo));

	/* Bus 3 is attached to the DVI port where devices like the pico DLP

	 * projector don't work reliably with 400kHz */

	omap_register_i2c_bus(3, 100, NULL, 0);

	return 0;

		I2C_BOARD_INFO("eeprom", 0x50),

	},

};



static void __init igep2_i2c_init(void)

{

	int ret;



	ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,

		ARRAY_SIZE(igep2_i2c1_boardinfo));

	if (ret)

		pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);



	/*

	 * Bus 3 is attached to the DVI port where devices like the pico DLP

	 * projector don't work reliably with 400kHz

	 */

	ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,

		ARRAY_SIZE(igep2_i2c3_boardinfo));

	if (ret)

		pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);

}



static struct omap_musb_board_data musb_board_data = {
@@ -636,7 +651,7 @@ static void __init igep2_init(void) 


	/* Get IGEP2 hardware revision */

	igep2_get_revision();



	/* Register I2C busses and drivers */

	igep2_i2c_init();

	platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));

	omap_serial_init();