[PATCH v3 1/2] dt-bindings: pci: xilinx-nwl: Document optional clock property

[Michal Simek]

Clock property hasn't been documented in binding document but it is used
for quite a long time where clock was specified by commit 9c8a47b484ed
("arm64: dts: xilinx: Add the clock nodes for zynqmp").

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

(no changes since v2)

Changes in v2:
- new patch in this series because I found that it has never been sent

Bharat: Can you please start to work on converting it to yaml?

---
 Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt b/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
index 2d677e90a7e2..f56f8c58c5d9 100644
--- a/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
@@ -35,6 +35,7 @@ Required properties:
 
 Optional properties:
 - dma-coherent: present if DMA operations are coherent
+- clocks: Input clock specifier. Refer to common clock bindings
 
 Example:
 ++++++++
-- 
2.32.0