diff options
| author | Richard Zhu <hongxing.zhu@nxp.com> | 2021-06-04 04:47:48 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-06-24 22:50:34 +0300 |
| commit | c9d511dc84610498f370bbfff16e1c194b93c8d8 (patch) | |
| tree | 24d291033453cee2c80e4fc9cb83332aa4e1e17e | |
| parent | 7a289a164c734f53178607c24a063551cabd76d9 (diff) | |
| download | linux-c9d511dc84610498f370bbfff16e1c194b93c8d8.tar.xz | |
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 <hongxing.zhu@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index de4b2baf91e8..d8971ab99274 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: |