imx6: geam6ul: Add I2C support

Add I2C support for Engicam GEAM6UL module.

geam6ul> i2c bus
Bus 0:  i2c@021a0000
Bus 1:  i2c@021a4000
geam6ul> i2c dev 0
Setting bus to 0
geam6ul> i2c dev
Current bus is 0
geam6ul> i2c speed 100000
Setting bus speed to 100000 Hz
geam6ul> i2c probe
Valid chip addresses: 2C
geam6ul> i2c md 2C 0xff
00ff: 00 00 00 00 0f f0 01 64 ff ff 00 00 00 00 00 00    .......d........

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index f2254319b4065d6f6a9ea4f9b508cec0a66a43ac..4f9b2e141249b0ca8300e8ea03a8ef63e01affc8 100644 (file)
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -187,6 +187,7 @@ config TARGET_MX6UL_GEAM
        select OF_CONTROL
        select DM
        select DM_GPIO
+       select DM_I2C
        select DM_MMC
        select DM_THERMAL
        select SUPPORT_SPL

diff --git a/configs/imx6ul_geam_mmc_defconfig b/configs/imx6ul_geam_mmc_defconfig
index 24f3fd62e02f3cf630823f2f7cef3e767cade283..e1e1dd24cfac54749f0f4404fa30df1f90439271 100644 (file)
--- a/configs/imx6ul_geam_mmc_defconfig
+++ b/configs/imx6ul_geam_mmc_defconfig
@@ -25,11 +25,13 @@ CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_I2C=y
 CONFIG_OF_LIBFDT=y
 CONFIG_MXC_UART=y
 CONFIG_IMX_THERMAL=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX6=y
+CONFIG_SYS_I2C_MXC=y
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y