diff options
| author | Thierry Reding <treding@nvidia.com> | 2019-06-04 17:29:12 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-06-05 10:18:53 +0200 |
| commit | c4502cc3a15ac70a24ed0d0bf4de5fb4cffb726f (patch) | |
| tree | fef5f01033c79f6efcf80557619a4902f0f32311 /arch/arm64/boot/dts/nvidia | |
| parent | 9c536ccdd5b691057aad89b7bb9b4562938dda9c (diff) | |
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>
Diffstat (limited to 'arch/arm64/boot/dts/nvidia')
| -rw-r--r-- | arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index 5102de1dac9c..837218e83e69 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -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>; }; }; |