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Fri, 20 Mar 2026 01:44:29 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2a00:79e0:201d:8:9cdf:e932:6f2f:c654]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b0836a3066sm14917905ad.75.2026.03.20.01.44.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2026 01:44:28 -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 Subject: [PATCH 13/13] arm64: dts: mediatek: mt8188-geralt: Add little core CPU power supplies Date: Fri, 20 Mar 2026 16:43:45 +0800 Message-ID: <20260320084351.2461060-14-wenst@chromium.org> X-Mailer: git-send-email 2.53.0.959.g497ff81fa9-goog In-Reply-To: <20260320084351.2461060-1-wenst@chromium.org> References: <20260320084351.2461060-1-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-20260320_014430_023897_416E53E5 X-CRM114-Status: GOOD ( 13.57 ) 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. 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 fc84dfedab03..7108bfa53ad0 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 -- 2.53.0.959.g497ff81fa9-goog