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Fri, 01 May 2026 22:19:45 -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 v2 4/4] riscv: dts: spacemit: k1-bananapi-f3: Add vin-supply for PCIe 3.3V regulator Date: Sat, 2 May 2026 10:48:57 +0530 Message-ID: <20260502051906.8160-5-linux.amoon@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260502051906.8160-1-linux.amoon@gmail.com> References: <20260502051906.8160-1-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 The PCIe 3.3V fixed regulator node (pcie_vcc_3v3) lacked a parent supply reference. Wire it to the 5V system rail (reg_vcc5v0_sys) via the vin-supply property to reflect the actual board power tree. This ensures correct regulator hierarchy in DTS and allows drivers to resolve supply dependencies cleanly during probe. Cc: Han Gao Cc: Ze Huang Cc: Chukun Pan Signed-off-by: Anand Moon --- v2: new patch in this series. --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts index 3dbdf53b6d8e..6c06480ba100 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -39,6 +39,7 @@ pcie_vcc_3v3: regulator-pcie-vcc3v3 { regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; + vin-supply = <®_vcc5v0_sys>; }; reg_dc_in: regulator-dc-in-12v { -- 2.50.1