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omap4: Add i2c board support on omap4430 sdp platform

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This patch adds the i2c board support for OMAP4430 SDP platform.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Santosh Shilimkar 2010-05-12 08:27:29 +00:00 committed by Tony Lindgren
parent b91da66947
commit baeb73e802
2 changed files with 58 additions and 2 deletions
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46
arch/arm/configs/omap_4430sdp_defconfig
View File

@ -490,14 +490,58 @@ CONFIG_HW_RANDOM=y
# CONFIG_R3964 is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_TCG_TPM is not set
# CONFIG_I2C is not set
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_HELPER_AUTO=y
#
# I2C Hardware Bus support
#
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_DESIGNWARE is not set
# CONFIG_I2C_GPIO is not set
# CONFIG_I2C_OCORES is not set
CONFIG_I2C_OMAP=y
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_XILINX is not set
#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_TAOS_EVM is not set
#
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
CONFIG_SPI=y
# CONFIG_SPI_DEBUG is not set
CONFIG_SPI_MASTER=y
#
# SPI Master Controller Drivers
#
# CONFIG_SPI_BITBANG is not set
# CONFIG_SPI_GPIO is not set
CONFIG_SPI_OMAP24XX=y
# CONFIG_SPI_XILINX is not set
# CONFIG_SPI_DESIGNWARE is not set
#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
# CONFIG_SPI_TLE62X0 is not set
#
# PPS support

14
arch/arm/mach-omap2/board-4430sdp.c
View File

@ -135,11 +135,23 @@ static struct omap_musb_board_data musb_board_data = {
.mode = MUSB_PERIPHERAL,
.power = 100,
};
static int __init omap4_i2c_init(void)
{
/*
* Phoenix Audio IC needs I2C1 to
* start with 400 KHz or less
*/
omap_register_i2c_bus(1, 400, NULL, 0);
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
omap_register_i2c_bus(4, 400, NULL, 0);
return 0;
}
static void __init omap_4430sdp_init(void)
{
int status;
omap4_i2c_init();
platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
omap_serial_init();
/* OMAP4 SDP uses internal transceiver so register nop transceiver */