[U-Boot] [PATCH v2 04/10] imx6: isiotmx6ul: Add I2C support

[Jagan Teki]

From: Jagan Teki <jagan at amarulasolutions.com>

Add I2C support for Engicam Is.IoT MX6UL module.

isiotmx6ul> i2c bus
Bus 0:  i2c at 021a0000
Bus 1:  i2c at 021a4000
isiotmx6ul> i2c dev 0
Setting bus to 0
isiotmx6ul> i2c dev
Current bus is 0
isiotmx6ul> i2c speed 100000
Setting bus speed to 100000 Hz
isiotmx6ul> i2c probe
Valid chip addresses: 00 2C 44 78
isiotmx6ul> 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 at denx.de>
Cc: Matteo Lisi <matteo.lisi at engicam.com>
Cc: Michael Trimarchi <michael at amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
Changes for v2:
- none

 arch/arm/cpu/armv7/mx6/Kconfig     | 1 +
 configs/imx6ul_isiot_mmc_defconfig | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index 72780d7..b81e18c 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -211,6 +211,7 @@ config TARGET_MX6UL_ISIOT
 	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_isiot_mmc_defconfig b/configs/imx6ul_isiot_mmc_defconfig
index cfbaf29..f85970b 100644
--- a/configs/imx6ul_isiot_mmc_defconfig
+++ b/configs/imx6ul_isiot_mmc_defconfig
@@ -27,11 +27,13 @@ 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_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
-- 
1.9.1