ARM: dts: apq8064: add gsbi4 with i2c node.

This patch adds gsbi4 and i2c node.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-apq8064-pins.dtsi

@@ -90,6 +90,31 @@ pinconf {
 		};
 	};
 
+	i2c4_pins: i2c4 {
+		mux {
+			pins = "gpio12", "gpio13";
+			function = "gsbi4";
+		};
+
+		pinconf {
+			pins = "gpio12", "gpio13";
+			drive-strength = <16>;
+			bias-disable;
+		};
+	};
+
+	i2c4_pins_sleep: i2c4_pins_sleep {
+		mux {
+			pins = "gpio12", "gpio13";
+			function = "gpio";
+		};
+		pinconf {
+			pins = "gpio12", "gpio13";
+			drive-strength = <2>;
+			bias-disable = <0>;
+		};
+	};
+
 	spi5_default: spi5_default {
 		pinmux {
 			pins = "gpio51", "gpio52", "gpio54";

arch/arm/boot/dts/qcom-apq8064.dtsi

@@ -289,6 +289,29 @@ gsbi3_i2c: i2c@16280000 {
 			};
 		};
 
+		gsbi4: gsbi@16300000 {
+			status = "disabled";
+			compatible = "qcom,gsbi-v1.0.0";
+			cell-index = <4>;
+			reg = <0x16300000 0x03>;
+			clocks = <&gcc GSBI4_H_CLK>;
+			clock-names = "iface";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			gsbi4_i2c: i2c@16380000 {
+				compatible = "qcom,i2c-qup-v1.1.1";
+				pinctrl-0 = <&i2c4_pins &i2c4_pins_sleep>;
+				pinctrl-names = "default", "sleep";
+				reg = <0x16380000 0x1000>;
+				interrupts = <GIC_SPI 153 IRQ_TYPE_NONE>;
+				clocks = <&gcc GSBI4_QUP_CLK>,
+					 <&gcc GSBI4_H_CLK>;
+				clock-names = "core", "iface";
+			};
+		};
+
 		gsbi5: gsbi@1a200000 {
 			status = "disabled";
 			compatible = "qcom,gsbi-v1.0.0";