diff options
| author | Gao Pan <pandy.gao@nxp.com> | 2017-08-10 17:11:53 +0800 |
|---|---|---|
| committer | Gao Pan <pandy.gao@nxp.com> | 2017-08-15 16:18:44 +0800 |
| commit | b0a32b757958a4d898b61bda02514613f48f8d2d (patch) | |
| tree | 24b3a53a391e0209d4396c104d9682bb2ee48dbd | |
| parent | 54b96f806b145137c1c6d75c2225d7241ac3b7ea (diff) | |
MLK-16191 arm: dts: add i2c bus recovery for imx6qp-sdb board
Add i2c bus recovery support to recover i2c2 bus from dead lock status.
Signed-off-by: Gao Pan <pandy.gao@nxp.com>
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi index 808ffe46b110..1f9f7a42f9dd 100644 --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi @@ -423,8 +423,11 @@ &i2c2 { clock-frequency = <100000>; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; + pinctrl-1 = <&pinctrl_i2c2_gpio>; + scl-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>; + sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>; status = "okay"; egalax_ts@04 { @@ -728,6 +731,13 @@ >; }; + pinctrl_i2c2_gpio: i2c2_gpio_grp { + fsl,pins = < + MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x1b0b0 + MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x1b0b0 + >; + }; + pinctrl_i2c3: i2c3grp { fsl,pins = < MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1 |