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

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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>
This commit is contained in:
Thierry Reding 2019-06-04 17:29:12 +02:00
commit c4502cc3a1
1 changed files with 4 additions and 0 deletions
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4
arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
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@ -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>;
};
};