From ef569d5db50e7edd709e482157769a5b3c367e22 Mon Sep 17 00:00:00 2001 From: Hsin-Te Yuan Date: Wed, 24 Jan 2024 07:51:57 +0000 Subject: [PATCH] arm64: dts: mt8195-cherry-tomato: change watchdog reset boot flow The external output reset signal was originally disabled and sent from firmware. However, an unfixed bug in the firmware on tomato prevents the signal from being sent, causing the device to fail to boot. To fix this, enable external output reset signal to allow the device to reboot normally. Fixes: 5eb2e303ec6b ("arm64: dts: mediatek: Introduce MT8195 Cherry platform's Tomato") Signed-off-by: Hsin-Te Yuan Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20240124-send-upstream-v3-1-5097c9862a73@chromium.org Signed-off-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts | 4 ++++ arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts | 4 ++++ arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts | 4 ++++ 3 files changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts index 2d5e8f371b6d..a82d716f10d4 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts @@ -23,3 +23,7 @@ &ts_10 { status = "okay"; }; + +&watchdog { + /delete-property/ mediatek,disable-extrst; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts index 2586c32ce6e6..2fe20e0dad83 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts @@ -43,3 +43,7 @@ &ts_10 { status = "okay"; }; + +&watchdog { + /delete-property/ mediatek,disable-extrst; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts index f54f9477b99d..dd294ca98194 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts @@ -44,3 +44,7 @@ &ts_10 { status = "okay"; }; + +&watchdog { + /delete-property/ mediatek,disable-extrst; +};