[U-Boot] [PATCH v3 4/9] imx6: isiotmx6ul: Add I2C support

Jagan Teki
2017-01-19T23:02:40Z

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@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
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 66eb59f..7a7be23 100644
--- a/configs/imx6ul_isiot_mmc_defconfig
+++ b/configs/imx6ul_isiot_mmc_defconfig
@@ -21,6 +21,7 @@ CONFIG_SYS_PROMPT="isiotmx6ul> "
# CONFIG_CMD_IMLS is not set
CONFIG_CMD_MEMTEST=y
CONFIG_CMD_MMC=y
+CONFIG_CMD_I2C=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_EXT2=y
@@ -29,6 +30,7 @@ CONFIG_CMD_EXT4_WRITE=y
CONFIG_CMD_FAT=y
CONFIG_CMD_FS_GENERIC=y
# CONFIG_BLK is not set
+CONFIG_SYS_I2C_MXC=y
# CONFIG_DM_MMC_OPS is not set
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y
--
1.9.1