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| author | Pin-yen Lin <treapking@chromium.org> | 2022-07-29 08:32:54 +0300 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2023-02-01 16:16:50 +0300 |
| commit | 6ea4696818bf5868b1551119b733f02bee509c00 (patch) | |
| tree | a0aa17a6017e56bc217142fcf718a0165d5879af /arch/arm64/boot/dts/mediatek | |
| parent | 22925af785fa3470efdf566339616d801119d348 (diff) | |
| download | linux-6ea4696818bf5868b1551119b733f02bee509c00.tar.xz | |
arm64: dts: mt8173-elm: Switch to SMC watchdog
Switch to SMC watchdog because we need direct control of HW watchdog
registers from kernel. The corresponding firmware was uploaded in
https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/3405.
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220729053254.220585-1-treapking@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek')
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi index 5e24c34696ed..d452cab28c67 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi @@ -149,6 +149,18 @@ }; }; }; + + watchdog { + compatible = "arm,smc-wdt"; + }; +}; + +/* + * Disable the original MMIO watch dog and switch to the SMC watchdog, which + * operates on the same MMIO. + */ +&watchdog { + status = "disabled"; }; &mfg_async { |