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arm64: tegra: Fix RTC aliases

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The following warning is observed on the Tegra234 Jetson platforms ...

 rtc-nvidia-vrs10 4-003c: /aliases ID 0 not available

This happens because the 'rtc@c2a0000' device is registered before the
vrs10 RTC and so is assigned the 'rtc0' alias. We want the vrs10 RTC to
be the default RTC because this RTC maintains time across power cycles.
Fix this by adding a 'rtc1' alias for the 'rtc@c2a0000' device.

Fixes: b1806f2b4e ("arm64: tegra: Add device-tree node for NVVRS RTC")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Jon Hunter 2026-03-05 15:16:59 +00:00 committed by Thierry Reding
parent 8231b3dbd6
commit 69ec77b3f1
2 changed files with 2 additions and 0 deletions
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1
arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi
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@ -9,6 +9,7 @@ aliases {
mmc0 = "/bus@0/mmc@3460000";
mmc1 = "/bus@0/mmc@3400000";
rtc0 = "/bpmp/i2c/pmic@3c";
rtc1 = "/bus@0/rtc@c2a0000";
};
bus@0 {

1
arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi
View File

@ -8,6 +8,7 @@ / {
aliases {
mmc0 = "/bus@0/mmc@3400000";
rtc0 = "/bpmp/i2c/pmic@3c";
rtc1 = "/bus@0/rtc@c2a0000";
};
bus@0 {