[PATCH 10/23] ARM: dts: imx7-tqma7: Add i2c bus recovery

Alexander Stein alexander.stein at ew.tq-group.com
Mon Dec 18 04:54:46 PST 2023


Add the pin muxing and GPIO settings for SCL/SDA for i2c1.

Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
 arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi b/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi
index e6e40747d5b9..a68f567010f2 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi
@@ -30,8 +30,11 @@ qspi-reset-hog {
 };
 
 &i2c1 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c1>;
+	pinctrl-1 = <&pinctrl_i2c1_recovery>;
+	scl-gpios = <&gpio4 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	clock-frequency = <100000>;
 	status = "okay";
 
@@ -168,6 +171,12 @@ pinctrl_i2c1: i2c1grp {
 			<MX7D_PAD_I2C1_SCL__I2C1_SCL	0x40000078>;
 	};
 
+	pinctrl_i2c1_recovery: i2c1recoverygrp {
+		fsl,pins =
+			<MX7D_PAD_I2C1_SDA__GPIO4_IO9	0x40000078>,
+			<MX7D_PAD_I2C1_SCL__GPIO4_IO8	0x40000078>;
+	};
+
 	pinctrl_pmic1: pmic1grp {
 		fsl,pins =
 			<MX7D_PAD_SD2_RESET_B__GPIO5_IO11	0x4000005C>;
-- 
2.34.1




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