diff options
| author | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2010-05-12 08:27:29 (GMT) |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-05-20 18:21:21 (GMT) |
| commit | baeb73e8027b8a62b32c11afc3035cf6cc0927dd (patch) | |
| tree | 84fb91c577fcce2841c4f9a7c278444c009ccc0d | |
| parent | b91da669472a534328bf796a8c913f2d042ede76 (diff) | |
| download | linux-fsl-qoriq-baeb73e8027b8a62b32c11afc3035cf6cc0927dd.tar.xz | |
omap4: Add i2c board support on omap4430 sdp platform
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>
| -rw-r--r-- | arch/arm/configs/omap_4430sdp_defconfig | 46 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-4430sdp.c | 14 |
2 files changed, 58 insertions, 2 deletions
diff --git a/arch/arm/configs/omap_4430sdp_defconfig b/arch/arm/configs/omap_4430sdp_defconfig index d87a349..a555305 100644 --- a/arch/arm/configs/omap_4430sdp_defconfig +++ b/arch/arm/configs/omap_4430sdp_defconfig @@ -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 diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 6cce6f2..41fed92 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -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 */ |