From: Richard Zhu Date: Fri, 4 Jun 2021 01:47:48 +0000 (+0800) Subject: dt-bindings: imx6q-pcie: Add "vph-supply" for PHY supply voltage X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c9d511dc84610498f370bbfff16e1c194b93c8d8;p=linux.git dt-bindings: imx6q-pcie: Add "vph-supply" for PHY supply voltage The i.MX8MQ PCIe PHY can use either a 1.8V or a 3.3V power supply. Add a "vph-supply" property to indicate which regulator supplies power for the PHY. Link: https://lore.kernel.org/r/1622771269-13844-2-git-send-email-hongxing.zhu@nxp.com Signed-off-by: Richard Zhu Signed-off-by: Lorenzo Pieralisi Signed-off-by: Bjorn Helgaas Reviewed-by: Lucas Stach Acked-by: Rob Herring --- diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index de4b2baf91e8e..d8971ab992743 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt @@ -38,6 +38,9 @@ Optional properties: The regulator will be enabled when initializing the PCIe host and disabled either as part of the init process or when shutting down the host. +- vph-supply: Should specify the regulator in charge of VPH one of the three + PCIe PHY powers. This regulator can be supplied by both 1.8v and 3.3v voltage + supplies. Additional required properties for imx6sx-pcie: - clock names: Must include the following additional entries: