Thread (7 messages) 7 messages, 3 authors, 2021-03-23
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Revisions (4)
  1. v1 [diff vs current]
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  3. v3 [diff vs current]
  4. v4 current

[PATCH v4 1/4] dt-bindings: PCI: ti,j721e: Add binding to represent refclk to the connector

From: Kishon Vijay Abraham I <hidden>
Date: 2021-03-08 06:37:25
Also in: linux-arm-kernel, linux-omap, linux-pci, lkml
Subsystem: open firmware and flattened device tree bindings, pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds

Add binding to represent refclk to the PCIe connector.

Signed-off-by: Kishon Vijay Abraham I <redacted>
---
 .../devicetree/bindings/pci/ti,j721e-pci-host.yaml       | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
index 0880a613ece6..963f90816645 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
@@ -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
-- 
2.17.1
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