i.MX95 PCIes have two reference clock inputs: one from internal PLL, the
other from off chip crystal oscillator. The "extref" clock refers to a
reference clock from an external crystal oscillator.
Add external reference clock input for i.MX95 PCIes.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
---
Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
index ca5f2970f217..b4c40d0573dc 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
@@ -212,14 +212,17 @@ allOf:
then:
properties:
clocks:
+ minItems: 4
maxItems: 5
clock-names:
+ minItems: 4
items:
- const: pcie
- const: pcie_bus
- const: pcie_phy
- const: pcie_aux
- const: ref
+ - const: extref # Optional
unevaluatedProperties: false
--
2.37.1