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Tue, 05 May 2026 03:15:04 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2a00:79e0:201d:8:f1d4:2ef0:7d08:9dd8]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-839679c8462sm1666121b3a.38.2026.05.05.03.15.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 03:15:03 -0700 (PDT) From: Chen-Yu Tsai To: Matthias Brugger , AngeloGioacchino Del Regno Cc: Chen-Yu Tsai , linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Fei Shao Subject: [PATCH v2 16/16] arm64: dts: mediatek: mt8188-geralt: Add little core CPU power supplies Date: Tue, 5 May 2026 18:14:06 +0800 Message-ID: <20260505101408.1796563-17-wenst@chromium.org> X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog In-Reply-To: <20260505101408.1796563-1-wenst@chromium.org> References: <20260505101408.1796563-1-wenst@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260505_111506_831797_13AF860A X-CRM114-Status: GOOD ( 13.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The device tree for the MT8188 Geralt is missing power supplies for all the CPU cores. Power for the little cores is fed from the MT6359 PMIC. Power for the big cores is fed from an MT6319 PMIC on SPMI. The latter is currently not working in Linux. Add the power supplies for the little cores. Supplies for the big cores will be added once the issue with SPMI is resolved. Reviewed-by: Fei Shao Signed-off-by: Chen-Yu Tsai --- .../boot/dts/mediatek/mt8188-geralt.dtsi | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8188-geralt.dtsi b/arch/arm64/boot/dts/mediatek/mt8188-geralt.dtsi index d57e0eec676a..4cb23595d17b 100644 --- a/arch/arm64/boot/dts/mediatek/mt8188-geralt.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8188-geralt.dtsi @@ -217,6 +217,30 @@ &cam_vcore { domain-supply = <&mt6359_vproc1_buck_reg>; }; +&cpu0 { + cpu-supply = <&mt6359_vcore_buck_reg>; +}; + +&cpu1 { + cpu-supply = <&mt6359_vcore_buck_reg>; +}; + +&cpu2 { + cpu-supply = <&mt6359_vcore_buck_reg>; +}; + +&cpu3 { + cpu-supply = <&mt6359_vcore_buck_reg>; +}; + +&cpu4 { + cpu-supply = <&mt6359_vcore_buck_reg>; +}; + +&cpu5 { + cpu-supply = <&mt6359_vcore_buck_reg>; +}; + /* * Geralt is the reference design and doesn't have target TDP. * Ciri is (currently) the only device following Geralt, and its -- 2.54.0.545.g6539524ca2-goog