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[2.80.170.125]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46fb492e6ddsm265829845e9.0.2025.10.14.04.26.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 04:26:17 -0700 (PDT) From: Vitor Soares To: Bjorn Helgaas , Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kishon Vijay Abraham I Cc: Vitor Soares , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ivitro@gmail.com Subject: [PATCH v1 1/2] dt-bindings: PCI: ti,j721e-pci-host: Add optional regulator supplies Date: Tue, 14 Oct 2025 12:25:48 +0100 Message-ID: <20251014112553.398845-2-ivitro@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251014112553.398845-1-ivitro@gmail.com> References: <20251014112553.398845-1-ivitro@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Vitor Soares Add optional regulator supply properties for PCIe endpoints on TI SoCs. Some boards provide dedicated regulators for PCIe devices, such as 1.5V (miniPCIe), 3.3V (common for M.2 or miniPCIe), or 12V (for high-power devices). These supplies are now described as optional properties to allow the driver to control endpoint power where supported. Signed-off-by: Vitor Soares --- .../devicetree/bindings/pci/ti,j721e-pci-host.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b= /Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml index c704099f134b..a20b03406448 100644 --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml @@ -110,6 +110,18 @@ properties: interrupts: maxItems: 1 =20 + vpcie1v5-supply: + description: 1.5V regulator used to power PCIe interfaces, + typically present on miniPCIe slots. + + vpcie3v3-supply: + description: 3.3V regulator used to power PCIe interfaces + or endpoint connectors such as M.2 or miniPCIe. + + vpcie12v-supply: + description: 12V regulator used to power PCIe slots that + require higher-voltage devices (e.g. full-size cards). + allOf: - $ref: cdns-pcie-host.yaml# - if: @@ -202,5 +214,7 @@ examples: ranges =3D <0x01000000 0x0 0x10001000 0x00 0x10001000 0x0 0x= 0010000>, <0x02000000 0x0 0x10011000 0x00 0x10011000 0x0 0x7f= ef000>; dma-ranges =3D <0x02000000 0x0 0x0 0x0 0x0 0x10000 0x0>; + vpcie3v3-supply =3D <&pcie_3v3>; + vpcie12v-supply =3D <&pcie_12v>; }; }; --=20 2.51.0