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[89.182.129.90]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e701e9585sm175077375e9.5.2026.05.11.04.11.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 04:11:20 -0700 (PDT) From: Andre Heider To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/6] riscv: dts: spacemit: k1-musepi-pro: add PMIC and power infrastructure Date: Mon, 11 May 2026 13:11:08 +0200 Message-ID: <20260511111116.1109643-2-a.heider@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260511111116.1109643-1-a.heider@gmail.com> References: <20260511111116.1109643-1-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 i2c8 and add the connected SpacemiT P1 PMIC with its related regulators for the board's power infrastructure and voltage regulation support. Signed-off-by: Andre Heider --- .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 144 ++++++++++++++++++ 1 file changed, 144 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts index 29e333b670cf0..88c35ad1ef2ae 100644 --- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts +++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts @@ -17,6 +17,7 @@ / { aliases { ethernet0 = ð0; serial0 = &uart0; + i2c8 = &i2c8; }; chosen { @@ -33,6 +34,25 @@ led1 { default-state = "on"; }; }; + + reg_usb_vbus: regulator-usb-vbus { + compatible = "regulator-fixed"; + regulator-name = "USBVBUS"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-boot-on; + regulator-always-on; + }; + + reg_vcc_4v0: regulator-vcc-40v { + compatible = "regulator-fixed"; + regulator-name = "VCC4V0"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <4000000>; + regulator-boot-on; + regulator-always-on; + vin-supply = <®_usb_vbus>; + }; }; &emmc { @@ -72,6 +92,130 @@ &pdma { status = "okay"; }; +&i2c8 { + pinctrl-0 = <&i2c8_cfg>; + pinctrl-names = "default"; + status = "okay"; + + pmic@41 { + compatible = "spacemit,p1"; + reg = <0x41>; + interrupts = <64>; + vin1-supply = <®_vcc_4v0>; + vin2-supply = <®_vcc_4v0>; + vin3-supply = <®_vcc_4v0>; + vin4-supply = <®_vcc_4v0>; + vin5-supply = <®_vcc_4v0>; + vin6-supply = <®_vcc_4v0>; + aldoin-supply = <®_vcc_4v0>; + dldoin1-supply = <&buck5>; + dldoin2-supply = <&buck5>; + + regulators { + buck1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1800000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3300000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck5: buck5 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck6 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + aldo1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + }; + + aldo2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + aldo3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + aldo4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + }; + + dldo2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-always-on; + }; + + dldo5 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo6 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-always-on; + }; + + dldo7 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + }; + }; +}; + &uart0 { pinctrl-0 = <&uart0_2_cfg>; pinctrl-names = "default"; -- 2.53.0