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[89.182.139.70]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4994a0f7bf4sm88037735e9.11.2026.08.04.06.32.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Aug 2026 06:32:39 -0700 (PDT) From: Andre Heider To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] riscv: dts: spacemit: k1-musepi-pro: add cpu scaling Date: Tue, 4 Aug 2026 15:32:32 +0200 Message-ID: <20260804133236.205668-2-a.heider@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260804133236.205668-1-a.heider@gmail.com> References: <20260804133236.205668-1-a.heider@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enable CPU DVFS by including the OPP table and wiring the CPU nodes to the CPU regulator supply. Signed-off-by: Andre Heider --- .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 35 ++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts index 246f8f2ab62b..23f32a8a3d45 100644 --- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts +++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts @@ -8,6 +8,7 @@ /dts-v1/; #include "k1.dtsi" +#include "k1-opp.dtsi" #include "k1-pinctrl.dtsi" / { @@ -99,6 +100,38 @@ &combo_phy { status = "okay"; }; +&cpu_0 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_1 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_2 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_3 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_4 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_5 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_6 { + cpu-supply = <&buck1_0v9>; +}; + +&cpu_7 { + cpu-supply = <&buck1_0v9>; +}; + ð0 { phy-handle = <&rgmii0>; phy-mode = "rgmii-id"; @@ -178,7 +211,7 @@ pmic@41 { dldoin2-supply = <&buck5>; regulators { - buck1 { + buck1_0v9: buck1 { regulator-min-microvolt = <500000>; regulator-max-microvolt = <1050000>; regulator-ramp-delay = <5000>; -- 2.53.0