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Subject[PATCH 1/3] dt-bindings: usb: renesas,usbhs: Support external ref clock
Date
The usbhs driver expects a fixed external reference clock, but it
could be sourced from a programmable clock instead of a fixed clock.
Add support for an optional 4th reference clock.

Signed-off-by: Adam Ford <aford173@gmail.com>

diff --git a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
index e67223d90bb7..2372d8c42979 100644
--- a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
+++ b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
@@ -53,11 +53,12 @@ properties:

clocks:
minItems: 1
- maxItems: 3
+ maxItems: 4
items:
- description: USB 2.0 host
- description: USB 2.0 peripheral
- description: USB 2.0 clock selector
+ - description: Optional external reference clock

interrupts:
maxItems: 1
--
2.25.1
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