Merge tag 'zynq-dt-for-v6.5' of https://github.com/Xilinx/linux-xlnx into soc/dt

ARM: Zynq DT changes for v6.5

- Setup 400k as default i2c frequency
- Wire i2c recovery via gpio on zc702

* tag 'zynq-dt-for-v6.5' of https://github.com/Xilinx/linux-xlnx:
  ARM: zynq: dts: Add SCL & SDA GPIO entries for recovery
  ARM: zynq: dts: Setting default i2c clock frequency to 400kHz

Link: https://lore.kernel.org/r/c5c99ba2-f004-306c-6251-551826f90df8@amd.comSigned-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/zynq-7000.dtsi

@@ -149,6 +149,7 @@ i2c0: i2c@e0004000 {
 			clocks = <&clkc 38>;
 			interrupt-parent = <&intc>;
 			interrupts = <0 25 4>;
+			clock-frequency = <400000>;
 			reg = <0xe0004000 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -160,6 +161,7 @@ i2c1: i2c@e0005000 {
 			clocks = <&clkc 39>;
 			interrupt-parent = <&intc>;
 			interrupts = <0 48 4>;
+			clock-frequency = <400000>;
 			reg = <0xe0005000 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;

arch/arm/boot/dts/zynq-zc702.dts

@@ -5,6 +5,7 @@
  */
 /dts-v1/;
 #include "zynq-7000.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Xilinx ZC702 board";
@@ -106,8 +107,11 @@ &gpio0 {
 &i2c0 {
 	status = "okay";
 	clock-frequency = <400000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c0_default>;
+	pinctrl-1 = <&pinctrl_i2c0_gpio>;
+	scl-gpios = <&gpio0 50 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio0 51 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 
 	i2c-mux@74 {
 		compatible = "nxp,pca9548";
@@ -298,6 +302,19 @@ conf {
 		};
 	};
 
+	pinctrl_i2c0_gpio: i2c0-gpio {
+		mux {
+			groups = "gpio0_50_grp", "gpio0_51_grp";
+			function = "gpio0";
+		};
+
+		conf {
+			groups = "gpio0_50_grp", "gpio0_51_grp";
+			slew-rate = <0>;
+			io-standard = <1>;
+		};
+	};
+
 	pinctrl_sdhci0_default: sdhci0-default {
 		mux {
 			groups = "sdio0_2_grp";