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imx6: isiotmx6ul: Add I2C support

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Add I2C support for Engicam Is.IoT MX6UL module.

isiotmx6ul> i2c bus
Bus 0:  i2c@021a0000
Bus 1:  i2c@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: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jagan Teki 2017-02-24 15:32:56 +05:30 committed by Stefano Babic
parent 08a480b4fd
commit e411e67e1e
2 changed files with 3 additions and 0 deletions
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1
arch/arm/cpu/armv7/mx6/Kconfig
View file

@ -247,6 +247,7 @@ config TARGET_MX6UL_ISIOT
select OF_CONTROL select OF_CONTROL
select DM select DM
select DM_GPIO select DM_GPIO
select DM_I2C
select DM_MMC select DM_MMC
select DM_THERMAL select DM_THERMAL
select SUPPORT_SPL select SUPPORT_SPL

2
configs/imx6ul_isiot_mmc_defconfig
View file

@ -21,6 +21,7 @@ CONFIG_SYS_PROMPT="isiotmx6ul> "
# CONFIG_CMD_IMLS is not set # CONFIG_CMD_IMLS is not set
CONFIG_CMD_MEMTEST=y CONFIG_CMD_MEMTEST=y
CONFIG_CMD_MMC=y CONFIG_CMD_MMC=y
CONFIG_CMD_I2C=y
CONFIG_CMD_GPIO=y CONFIG_CMD_GPIO=y
CONFIG_CMD_CACHE=y CONFIG_CMD_CACHE=y
CONFIG_CMD_EXT2=y CONFIG_CMD_EXT2=y
@ -29,6 +30,7 @@ CONFIG_CMD_EXT4_WRITE=y
CONFIG_CMD_FAT=y CONFIG_CMD_FAT=y
CONFIG_CMD_FS_GENERIC=y CONFIG_CMD_FS_GENERIC=y
# CONFIG_BLK is not set # CONFIG_BLK is not set
CONFIG_SYS_I2C_MXC=y
# CONFIG_DM_MMC_OPS is not set # CONFIG_DM_MMC_OPS is not set
CONFIG_PINCTRL=y CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y CONFIG_PINCTRL_IMX6=y