ARM: tegra: enable PCA9546 on Cardhu

Cardhu has a PCA9546 for I2C bus extension, which connects to 3
cameras. It's required for Tegra V4L2 soc camera driver and camera
sensor drivers.

Signed-off-by: Bryan Wu <pengw@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index 9104224124eeaac83bcedbd0e2fb7bcb3887d631..004002c8c8a5d5a33e83890521bba1c7fe5d2183 100644 (file)
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -187,6 +187,13 @@
                        interrupt-parent = <&gpio>;
                        interrupts = <TEGRA_GPIO(L, 0) IRQ_TYPE_LEVEL_HIGH>;
                };
+
+               i2cmux@70 {
+                       compatible = "nxp,pca9546";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x70>;
+               };
        };
 
        i2c@7000c700 {