Commit c4502cc3 authored Jun 04, 2019 by Thierry Reding

arm64: tegra: Add VCC supply for GPIO expanders on Jetson TX2



The GPIO expanders on Jetson TX2 are powered by the VDD_1V8 and
VDD_3V3_SYS supplies, respectively. Model this in device tree so that
the correct supplies are referenced.

Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

parent 9c536ccd

arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts

+4 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,8 @@

		#gpio-cells = <2>;
		gpio-controller;

		vcc-supply = <&vdd_3v3_sys>;
		};

		exp2: gpio@77 {
		@@ -43,6 +45,8 @@

		#gpio-cells = <2>;
		gpio-controller;

		vcc-supply = <&vdd_1v8>;
		};
		};

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