[PATCH 17/24] omap4: Add i2c board support for omap4 platform

Santosh Shilimkar
2010-02-16T15:58:35Z

This patch enables I2C driver for OMAP4430 SDP board file.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---
arch/arm/configs/omap_4430sdp_defconfig | 19 +++++++++++++++++--
arch/arm/mach-omap2/board-4430sdp.c | 9 +++++++++
2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/arch/arm/configs/omap_4430sdp_defconfig b/arch/arm/configs/omap_4430sdp_defconfig
index 7ac3fbf..d791e63 100644
--- a/arch/arm/configs/omap_4430sdp_defconfig
+++ b/arch/arm/configs/omap_4430sdp_defconfig
@@ -453,8 +453,23 @@ 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_SPI is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=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

#
# PPS support
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 86b240e..a325ba5 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -81,8 +81,17 @@ static struct omap_musb_board_data musb_board_data = {
.power = 100,
};

+static int __init omap4_i2c_init(void)
+{
+ /* Phoenix Audio IC needs I2C1 to start with 400 KHz and 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);
+ return 0;
+}
static void __init omap_4430sdp_init(void)
{
+ omap4_i2c_init();
platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
omap_serial_init();
/* OMAP4 SDP uses internal transceiver so register nop transceiver */
--
1.6.0.4