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Subject[PATCHv3 08/12] ARM: dts: imx6-tx6: add support for I2C bus recovery
Date
Define the required properties to enable I2C bus recovery supported by
the I2C subsystem.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
---
arch/arm/boot/dts/imx6qdl-tx6.dtsi | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
index eb5accd..c140402 100644
--- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
@@ -311,8 +311,11 @@
};

&i2c1 {
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>;
clock-frequency = <400000>;
status = "okay";

@@ -325,8 +328,11 @@
};

&i2c3 {
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c3>;
+ pinctrl-1 = <&pinctrl_i2c3_gpio>;
+ scl-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
clock-frequency = <400000>;
status = "okay";

@@ -552,6 +558,13 @@
>;
};

+ pinctrl_i2c1_gpio: i2c1-gpiogrp {
+ fsl,pins = <
+ MX6QDL_PAD_EIM_D21__GPIO3_IO21 0x4001b8b1
+ MX6QDL_PAD_EIM_D28__GPIO3_IO28 0x4001b8b1
+ >;
+ };
+
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1
@@ -559,6 +572,13 @@
>;
};

+ pinctrl_i2c3_gpio: i2c3-gpiogrp {
+ fsl,pins = <
+ MX6QDL_PAD_GPIO_3__GPIO1_IO03 0x4001b8b1
+ MX6QDL_PAD_GPIO_6__GPIO1_IO06 0x4001b8b1
+ >;
+ };
+
pinctrl_kpp: kppgrp {
fsl,pins = <
MX6QDL_PAD_GPIO_9__KEY_COL6 0x1b0b1
--
2.1.4
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