imx6: icorem6_rqs: Add I2C support

Add I2C support for Engicam i.CoreM6 RQS modules.

icorem6qdl-rqs> i2c bus
Bus 0:  i2c@021a0000
Bus 1:  i2c@021a4000
Bus 2:  i2c@021a8000
icorem6qdl-rqs> i2c dev 0
Setting bus to 0
icorem6qdl-rqs> i2c speed 100000
Setting bus speed to 100000 Hz
icorem6qdl-rqs> i2c probe
Valid chip addresses: 4F
icorem6qdl-rqs> i2c md 4F 0xff
00ff: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
icorem6qdl-rqs> i2c bus
Bus 0:  i2c@021a0000  (active 0)
   4f: generic_4f, offset len 1, flags 0
Bus 1:  i2c@021a4000
Bus 2:  i2c@021a8000

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 7ad2d05..d9e63ff 100644 (file)
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -139,6 +139,7 @@ config TARGET_MX6Q_ICORE_RQS
        select OF_CONTROL
        select DM
        select DM_GPIO
+       select DM_I2C
        select DM_MMC
        select DM_THERMAL
        select SUPPORT_SPL

diff --git a/configs/imx6dl_icore_rqs_mmc_defconfig b/configs/imx6dl_icore_rqs_mmc_defconfig
index 7fc7fa0..19a721c 100644 (file)
--- a/configs/imx6dl_icore_rqs_mmc_defconfig
+++ b/configs/imx6dl_icore_rqs_mmc_defconfig
@@ -25,10 +25,12 @@ 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_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

diff --git a/configs/imx6q_icore_rqs_mmc_defconfig b/configs/imx6q_icore_rqs_mmc_defconfig
index eeecef8..bbd10af 100644 (file)
--- a/configs/imx6q_icore_rqs_mmc_defconfig
+++ b/configs/imx6q_icore_rqs_mmc_defconfig
@@ -25,10 +25,12 @@ 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_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