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dt-bindings: PCI: ti,j721e: Add binding to represent refclk to the connector 

Add binding to represent refclk to the PCIe connector.

Link: https://lore.kernel.org/r/20210308063550.6227-2-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Kishon Vijay Abraham I 2021-03-08 12:05:47 +05:30 committed by Lorenzo Pieralisi
parent a38fd87484
commit f9875d1a36
1 changed files with 7 additions and 2 deletions
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9
Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
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@ -46,12 +46,17 @@ properties:
maxItems: 1
clocks:
maxItems: 1
description: clock-specifier to represent input to the PCIe
minItems: 1
maxItems: 2
description: |+
clock-specifier to represent input to the PCIe for 1 item.
2nd item if present represents reference clock to the connector.
clock-names:
minItems: 1
items:
- const: fck
- const: pcie_refclk
vendor-id:
const: 0x104c