The PMIC which powers the whole board is connected to the I2C1 bus. This patch enables I2C. With this enabled, the PMIC needs to told to keep the rail enabled, or it gets shutdown before the system boots.
Signed-off-by: Adam Ford aford173@gmail.com
diff --git a/arch/arm/dts/imx6q-logicpd-u-boot.dtsi b/arch/arm/dts/imx6q-logicpd-u-boot.dtsi index ee44ed91fe..94b53d569d 100644 --- a/arch/arm/dts/imx6q-logicpd-u-boot.dtsi +++ b/arch/arm/dts/imx6q-logicpd-u-boot.dtsi @@ -28,3 +28,7 @@ &pinctrl_usdhc2 { u-boot,dm-spl; }; + +&sw2_reg { + regulator-always-on; +}; diff --git a/configs/imx6q_logic_defconfig b/configs/imx6q_logic_defconfig index 35dfd8a303..d02c81449c 100644 --- a/configs/imx6q_logic_defconfig +++ b/configs/imx6q_logic_defconfig @@ -9,6 +9,7 @@ CONFIG_ENV_SIZE=0x100000 CONFIG_ENV_OFFSET=0x400000 CONFIG_MX6_OCRAM_256KB=y CONFIG_TARGET_MX6LOGICPD=y +CONFIG_SYS_I2C_MXC_I2C1=y CONFIG_SPL_TEXT_BASE=0x00908000 CONFIG_SPL_MMC_SUPPORT=y CONFIG_SPL_SERIAL_SUPPORT=y @@ -70,6 +71,7 @@ CONFIG_SPL_DM=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_SPL_OF_TRANSLATE=y CONFIG_PCF8575_GPIO=y +CONFIG_SYS_I2C_MXC=y CONFIG_LED=y CONFIG_LED_GPIO=y CONFIG_FSL_USDHC=y