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[U-Boot,v4,04/16] imx6: geam6ul: Add I2C support

Message ID 1481648226-30773-5-git-send-email-jagan@openedev.com
State Awaiting Upstream
Delegated to: Stefano Babic
Headers show

Commit Message

Jagan Teki Dec. 13, 2016, 4:56 p.m. UTC 
From: Jagan Teki <jagan@amarulasolutions.com>

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>
---
 arch/arm/cpu/armv7/mx6/Kconfig    | 1 +
 configs/imx6ul_geam_mmc_defconfig | 2 ++
 2 files changed, 3 insertions(+)
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Patch

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index 4ba5338..bbdb5a1 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -163,6 +163,7 @@  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 24f3fd6..e1e1dd2 100644
--- 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