From: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
This patch adds the i2c board support for OMAP4430 SDP platform.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Signed-off-by: Balaji T K <balajitk@xxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/configs/omap_4430sdp_defconfig | 46 ++++++++++++++++++++++++++++++-
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 */
--
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