diff options
author | Enric Balletbo i Serra <eballetbo@gmail.com> | 2010-10-08 10:22:51 -0700 |
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committer | Tony Lindgren <tony@atomide.com> | 2010-10-08 10:22:51 -0700 |
commit | 91d139cf3630eff73f161494ee0c596472c11fef (patch) | |
tree | 5f22ffde4ad8c7f47c887b7e077bf201f10b5fe6 /arch/arm/mach-omap2/board-igep0020.c | |
parent | 5a9fcc9980ae741c4657029c7e92d914072f824a (diff) | |
download | op-kernel-dev-91d139cf3630eff73f161494ee0c596472c11fef.zip op-kernel-dev-91d139cf3630eff73f161494ee0c596472c11fef.tar.gz |
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: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-igep0020.c')
-rw-r--r-- | arch/arm/mach-omap2/board-igep0020.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 22f73b4..cfd67bf 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -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[] = { + { + I2C_BOARD_INFO("eeprom", 0x50), + }, +}; + +static void __init igep2_i2c_init(void) { - 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; + 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(); |