ARM: DT: apq8064: Add i2c device nodes

This patch adds i2c pinctrl DT node for IFC6410 board. It also adds necessary DT support for i2c eeprom which is present on IFC6410. Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com> Signed-off-by: Kumar Gala <galak@codeaurora.org>
mariux64 · Sep 17, 2014 · 8c3166f · 8c3166f
1 parent 0be5fef
commit 8c3166f
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diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -5,6 +5,33 @@
 	compatible = "qcom,apq8064-ifc6410", "qcom,apq8064";
 
 	soc {
+		pinctrl@800000 {
+			i2c1_pins: i2c1 {
+				mux {
+					pins = "gpio20", "gpio21";
+					function = "gsbi1";
+				};
+			};
+		};
+
+		gsbi@12440000 {
+			status = "okay";
+			qcom,mode = <GSBI_PROT_I2C>;
+
+			i2c@12460000 {
+				status = "okay";
+				clock-frequency = <200000>;
+				pinctrl-0 = <&i2c1_pins>;
+				pinctrl-names = "default";
+
+				eeprom: eeprom@52 {
+					compatible = "atmel,24c128";
+					reg = <0x52>;
+					pagesize = <32>;
+				};
+			};
+		};
+
 		gsbi@16600000 {
 			status = "ok";
 			qcom,mode = <GSBI_PROT_I2C_UART>;

diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -163,6 +163,48 @@
 			regulator;
 		};
 
+		gsbi1: gsbi@12440000 {
+			status = "disabled";
+			compatible = "qcom,gsbi-v1.0.0";
+			reg = <0x12440000 0x100>;
+			clocks = <&gcc GSBI1_H_CLK>;
+			clock-names = "iface";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			i2c1: i2c@12460000 {
+				compatible = "qcom,i2c-qup-v1.1.1";
+				reg = <0x12460000 0x1000>;
+				interrupts = <0 194 IRQ_TYPE_NONE>;
+				clocks = <&gcc GSBI1_QUP_CLK>, <&gcc GSBI1_H_CLK>;
+				clock-names = "core", "iface";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
+		gsbi2: gsbi@12480000 {
+			status = "disabled";
+			compatible = "qcom,gsbi-v1.0.0";
+			reg = <0x12480000 0x100>;
+			clocks = <&gcc GSBI2_H_CLK>;
+			clock-names = "iface";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			i2c2: i2c@124a0000 {
+				compatible = "qcom,i2c-qup-v1.1.1";
+				reg = <0x124a0000 0x1000>;
+				interrupts = <0 196 IRQ_TYPE_NONE>;
+				clocks = <&gcc GSBI2_QUP_CLK>, <&gcc GSBI2_H_CLK>;
+				clock-names = "core", "iface";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
 		gsbi7: gsbi@16600000 {
 			status = "disabled";
 			compatible = "qcom,gsbi-v1.0.0";