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Fri, 03 Apr 2026 04:36:53 -0700 (PDT) From: Anand Moon To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-riscv@lists.infradead.org (open list:RISC-V SPACEMIT SoC Support), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support), linux-kernel@vger.kernel.org (open list) Cc: Anand Moon , Han Gao , Ze Huang , Chukun Pan Subject: [PATCH linux-next v1 1/3] riscv: dts: spacemit: k1-bananapi-f3: Add vcc5v0_sys regulator for Banana Pi F3 Date: Wed, 25 Mar 2026 13:46:08 +0530 Message-ID: <20260325081700.1502-2-linux.amoon@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260325081700.1502-1-linux.amoon@gmail.com> References: <20260325081700.1502-1-linux.amoon@gmail.com> Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Define the system 5V fixed regulator (vcc5v0_sys) supplied by the DC input. As per the schematics, vcc5v0_sys is the input power source for the VCC5V0_HUB and 5V_VBUS reglators. Update these regulators to correctly reference vcc5v0_sys as their parent (vin-supply). Cc: Han Gao Cc: Ze Huang Cc: Chukun Pan Signed-off-by: Anand Moon --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts index 5790d927b93d..9727ecdd9f6b 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -50,6 +50,16 @@ reg_dc_in: regulator-dc-in-12v { regulator-always-on; }; + reg_vcc5v0_sys: regulator-vcc5v0-sys { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_sys"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + regulator-always-on; + vin-supply = <®_dc_in>; + }; + reg_vcc_4v: regulator-vcc-4v { compatible = "regulator-fixed"; regulator-name = "vcc_4v"; @@ -66,6 +76,7 @@ regulator-usb3-vbus-5v { regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; regulator-always-on; + vin-supply = <®_vcc5v0_sys>; gpio = <&gpio K1_GPIO(97) GPIO_ACTIVE_HIGH>; enable-active-high; }; @@ -75,6 +86,7 @@ usb3_hub_5v: regulator-usb3-hub-5v { regulator-name = "USB30_HUB"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; + vin-supply = <®_vcc5v0_sys>; gpio = <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>; enable-active-high; }; -- 2.53.0