ARM: dts: at91-sama5d27_wlsom1: add i2c recovery

Add the i2c gpio pinctrls to support the i2c bus recovery on this board. Signed-off-by: Nicolas Ferre <[email protected]> Reviewed-by: Codrin Ciubotariu <[email protected]> Link: https://lore.kernel.org/r/[email protected]
sedwards · Jan 22, 2021 · 984d437 · 984d437
1 parent 5c8fe58
commit 984d437
Showing 1 changed file with 20 additions and 2 deletions.
diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
@@ -43,14 +43,20 @@
 
 &i2c0 {
 	pinctrl-0 = <&pinctrl_i2c0_default>;
-	pinctrl-names = "default";
+	pinctrl-1 = <&pinctrl_i2c0_gpio>;
+	pinctrl-names = "default", "gpio";
+	sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
+	scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	status = "okay";
 };
 
 &i2c1 {
 	dmas = <0>, <0>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c1_default>;
+	pinctrl-1 = <&pinctrl_i2c1_gpio>;
+	sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>;
+	scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	status = "okay";
 
 	mcp16502@5b {
@@ -258,12 +264,24 @@
 		bias-disable;
 	};
 
+	pinctrl_i2c0_gpio: i2c0_gpio {
+		pinmux = <PIN_PD21__GPIO>,
+			 <PIN_PD22__GPIO>;
+		bias-disable;
+	};
+
 	pinctrl_i2c1_default: i2c1_default {
 		pinmux = <PIN_PD19__TWD1>,
 			 <PIN_PD20__TWCK1>;
 		bias-disable;
 	};
 
+	pinctrl_i2c1_gpio: i2c1_gpio {
+		pinmux = <PIN_PD19__GPIO>,
+			 <PIN_PD20__GPIO>;
+		bias-disable;
+	};
+
 	pinctrl_macb0_default: macb0_default {
 		pinmux = <PIN_PB14__GTXCK>,
 			 <PIN_PB15__GTXEN>,