Add the pin muxing and GPIO settings for SCL/SDA for i2c2 & i2c3.
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
index e887889816c7..f72fd912e1a6 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
@@ -309,8 +309,11 @@ lm75: temperature-sensor@49 {
&i2c2 {
clock-frequency = <100000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
+ pinctrl-1 = <&pinctrl_i2c2_recovery>;
+ scl-gpios = <&gpio4 10 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio4 11 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
tlv320aic32x4: audio-codec@18 {
@@ -338,8 +341,11 @@ pca9555: gpio-expander@20 {
&i2c3 {
clock-frequency = <100000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c3>;
+ pinctrl-1 = <&pinctrl_i2c3_recovery>;
+ scl-gpios = <&gpio4 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio4 13 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
};
@@ -424,12 +430,24 @@ pinctrl_i2c2: i2c2grp {
<MX7D_PAD_I2C2_SDA__I2C2_SDA 0x40000078>;
};
+ pinctrl_i2c2_recovery: i2c2recoverygrp {
+ fsl,pins =
+ <MX7D_PAD_I2C2_SCL__GPIO4_IO10 0x40000078>,
+ <MX7D_PAD_I2C2_SDA__GPIO4_IO11 0x40000078>;
+ };
+
pinctrl_i2c3: i2c3grp {
fsl,pins =
<MX7D_PAD_I2C3_SCL__I2C3_SCL 0x40000078>,
<MX7D_PAD_I2C3_SDA__I2C3_SDA 0x40000078>;
};
+ pinctrl_i2c3_recovery: i2c3recoverygrp {
+ fsl,pins =
+ <MX7D_PAD_I2C3_SCL__GPIO4_IO12 0x40000078>,
+ <MX7D_PAD_I2C3_SDA__GPIO4_IO13 0x40000078>;
+ };
+
pinctrl_pca9555: pca95550grp {
fsl,pins =
<MX7D_PAD_ENET1_TX_CLK__GPIO7_IO12 0x78>;
--
2.34.1
