Messages in this thread Patch in this message | | | From | André Draszik <> | Subject | [PATCH 2/2] dt-bindings: imx6q-pcie: add "fsl,pcie-phy-refclk-internal" for i.MX7D | Date | Tue, 13 Aug 2019 11:37:59 +0100 |
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The i.MX7D variant of the IP can use either an external crystal oscillator input or an internal clock input as a reference clock input for the PCIe PHY.
Document the optional property 'fsl,pcie-phy-refclk-internal'
Signed-off-by: André Draszik <git@andred.net> Cc: Richard Zhu <hongxing.zhu@nxp.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: linux-pci@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index a7f5f5afa0e6..985d7083df9f 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt @@ -56,6 +56,11 @@ Additional required properties for imx7d-pcie and imx8mq-pcie: - "turnoff" - fsl,imx7d-pcie-phy: A phandle to an fsl,imx7d-pcie-phy node. +Additional optional properties for imx7d-pcie: +- fsl,pcie-phy-refclk-internal: If present then an internal PLL input is used + as PCIe PHY reference clock source. By default an external ocsillator input + is used. + Additional required properties for imx8mq-pcie: - clock-names: Must include the following additional entries: - "pcie_aux" -- 2.23.0.rc1
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