[PATCH 3/3] ARM: dts: cfa10049: Add the i2c muxer buses to the CFA-10049

Maxime Ripard maxime.ripard at free-electrons.com
Fri Sep 21 11:32:14 EDT 2012


This will allow to add the 3 Nuvoton NAU7802 ADCs and the NXP PCA9555
GPIO expander eventually.

Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
---
 arch/arm/boot/dts/imx28-cfa10049.dts |   33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts
index a9288fb..bd6b938 100644
--- a/arch/arm/boot/dts/imx28-cfa10049.dts
+++ b/arch/arm/boot/dts/imx28-cfa10049.dts
@@ -76,6 +76,39 @@
 				status = "okay";
 			};
 
+			i2cmux {
+				compatible = "i2c-mux-gpio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				muxer-gpios = <&gpio1 22 0 &gpio1 23 0>;
+				i2c-parent = <&i2c1>;
+
+				i2c at 0 {
+					reg = <0>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+				};
+
+				i2c at 1 {
+				      reg = <1>;
+				      #address-cells = <1>;
+				      #size-cells = <0>;
+				};
+
+				i2c at 2 {
+					reg = <2>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+				};
+
+				i2c at 3 {
+					reg = <3>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+				};
+			};
+
 			usbphy1: usbphy at 8007e000 {
 				status = "okay";
 			};
-- 
1.7.9.5




More information about the linux-arm-kernel mailing list