arm64: dts: qcom: sa8775p-ride: enable i2c18

This enables the I2C interface on the sa8775p-ride development board.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230309103752.173541-5-brgl@bgdev.pl

arch/arm64/boot/dts/qcom/sa8775p-ride.dts

@@ -13,6 +13,7 @@ / {
 
 	aliases {
 		serial0 = &uart10;
+		i2c18 = &i2c18;
 	};
 
 	chosen {
@@ -20,6 +21,13 @@ chosen {
 	};
 };
 
+&i2c18 {
+	clock-frequency = <400000>;
+	pinctrl-0 = <&qup_i2c18_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &qupv3_id_1 {
 	status = "okay";
 };
@@ -37,6 +45,13 @@ qup_uart10_default: qup-uart10-state {
 		pins = "gpio46", "gpio47";
 		function = "qup1_se3";
 	};
+
+	qup_i2c18_default: qup-i2c18-state {
+		pins = "gpio95", "gpio96";
+		function = "qup2_se4";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
 };
 
 &uart10 {