[PATCH v2 1/2] dt-bindings: usb: mtk-xhci: add an optional frame count clock

[Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>]

Add optional clock 'frmcnt_ck' used on 4nm or advanced process SoC

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
v2: based the patch:
    https://patchwork.kernel.org/project/linux-mediatek/patch/20230403191850.374839-1-krzysztof.kozlowski@xxxxxxxxxx/
---
 Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 1b0dfaa6b3dd..f2f926cf4039 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -77,6 +77,7 @@ properties:
       - description: Mcu bus clock for register access
       - description: DMA bus clock for data transfer
       - description: controller clock
+      - description: frame count clock
 
   clock-names:
     minItems: 1
@@ -86,6 +87,7 @@ properties:
       - const: mcu_ck
       - const: dma_ck
       - const: xhci_ck
+      - const: frmcnt_ck
 
   phys:
     description:
-- 
2.18.0