arm64: dts: qcom: msm8916: Add blsp_i2c5

MSM8916 has another I2C QUP controller that can be enabled on
GPIO 18 and 19.

Add blsp_i2c5 to msm8916.dtsi and disable it by default.
Reviewed-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NStephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20200426140642.204395-3-stephan@gerhold.netSigned-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/msm8916-pins.dtsi

@@ -334,6 +334,30 @@
 		};
 	};
 
+	i2c5_default: i2c5_default {
+		pinmux {
+			function = "blsp_i2c5";
+			pins = "gpio18", "gpio19";
+		};
+		pinconf {
+			pins = "gpio18", "gpio19";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	i2c5_sleep: i2c5_sleep {
+		pinmux {
+			function = "gpio";
+			pins = "gpio18", "gpio19";
+		};
+		pinconf {
+			pins = "gpio18", "gpio19";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
 	i2c6_default: i2c6_default {
 		pinmux {
 			function = "blsp_i2c6";

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -657,6 +657,21 @@
 			status = "disabled";
 		};
 
+		blsp_i2c5: i2c@78b9000 {
+			compatible = "qcom,i2c-qup-v2.2.1";
+			reg = <0x078b9000 0x500>;
+			interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_AHB_CLK>,
+				 <&gcc GCC_BLSP1_QUP5_I2C_APPS_CLK>;
+			clock-names = "iface", "core";
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&i2c5_default>;
+			pinctrl-1 = <&i2c5_sleep>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		blsp_i2c6: i2c@78ba000 {
 			compatible = "qcom,i2c-qup-v2.2.1";
 			reg = <0x078ba000 0x500>;