[PATCH 3/5] dt-bindings: usb: mtk-xhci: add an optional xhci_ck clock

[Chunfeng Yun]

Add a new optional clock xhci_ck

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
index 266c2d917a28..91c0704b586b 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
@@ -29,6 +29,7 @@ Required properties:
 	"sys_ck": controller clock used by normal mode,
 	the following ones are optional:
 	"ref_ck": reference clock used by low power mode etc,
+	"xhci_ck": controller clock,
 	"mcu_ck": mcu_bus clock for register access,
 	"dma_ck": dma_bus clock for data transfer by DMA
 
@@ -100,7 +101,7 @@ Required properties:
  - clocks : a list of phandle + clock-specifier pairs, one for each
 	entry in clock-names
  - clock-names : must contain "sys_ck", and the following ones are optional:
-	"ref_ck", "mcu_ck" and "dma_ck"
+	"ref_ck", "xhci_ck", "mcu_ck" and "dma_ck"
 
 Optional properties:
  - vbus-supply : reference to the VBUS regulator;
-- 
2.21.0