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[34.124.176.97]) by smtp.gmail.com with UTF8SMTPSA id a2-20020aa780c2000000b00688214cff65sm603812pfn.44.2023.08.17.21.51.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Aug 2023 21:51:31 -0700 (PDT) From: yuanhsinte@chromium.org To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Hsin-Te Yuan , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Hsin-Te Yuan Subject: [PATCH RESEND v2] arm64: dts: mt8195-cherry-tomato: change watchdog reset boot flow Date: Fri, 18 Aug 2023 04:51:17 +0000 Message-ID: <20230818-send-upstream-v2-1-f10d951a2971@google.com> X-Mailer: git-send-email 2.42.0.rc1.204.g551eb34607-goog MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.12.2 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Hsin-Te Yuan =0D The external output reset signal was originally disabled and sent from=0D firmware. However, an unfixed bug in the firmware on tomato prevents=0D the signal from being sent, causing the device to fail to boot. To fix=0D this, enable external output reset signal to allow the device to reboot=0D normally.=0D =0D Signed-off-by: Hsin-Te Yuan =0D ---=0D Changes in v2:=0D - Limit the effect only on tomato.=0D ---=0D arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts | 4 ++++=0D arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts | 4 ++++=0D arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts | 4 ++++=0D 3 files changed, 12 insertions(+)=0D =0D diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts b/arc= h/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts=0D index 2d5e8f371b6de..a82d716f10d44 100644=0D --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts=0D +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts=0D @@ -23,3 +23,7 @@ &sound {=0D &ts_10 {=0D status =3D "okay";=0D };=0D +=0D +&watchdog {=0D + /delete-property/ mediatek,disable-extrst;=0D +};=0D diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts b/arc= h/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts=0D index 2586c32ce6e6f..2fe20e0dad836 100644=0D --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts=0D +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts=0D @@ -43,3 +43,7 @@ &sound {=0D &ts_10 {=0D status =3D "okay";=0D };=0D +=0D +&watchdog {=0D + /delete-property/ mediatek,disable-extrst;=0D +};=0D diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts b/arc= h/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts=0D index f54f9477b99da..dd294ca98194c 100644=0D --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts=0D +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts=0D @@ -44,3 +44,7 @@ &sound {=0D &ts_10 {=0D status =3D "okay";=0D };=0D +=0D +&watchdog {=0D + /delete-property/ mediatek,disable-extrst;=0D +};=0D =0D ---=0D base-commit: 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4=0D change-id: 20230818-send-upstream-e91e615a893c=0D =0D Best regards,=0D -- =0D Hsin-Te Yuan =0D =0D