arm64: tegra: Add i2c-bus subnode for DPAUX controllers

The DPAUX controller device tree bindings require the bus to have an
i2c-bus subnode to distinguish between I2C clients and pinmux groups.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra132.dtsi b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
index fefaf39..e402815 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra132.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
@@ -161,6 +161,11 @@
                        resets = <&tegra_car 181>;
                        reset-names = "dpaux";
                        status = "disabled";
+
+                       i2c-bus {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                       };
                };
        };