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 <nicolas.ferre@microchip.com>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20210117183558.5369-1-nicolas.ferre@microchip.com

diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
index a06700e53e4c3a09b3a3790435760b75df75419f..025a78310e3ab5d4f7c7cbd49e84cce64ce16bc9 100644 (file)
--- 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>,