The current clock list in the binding doesn't allow for one of the
optional clocks to be missing and a subsequent clock to be present. An
example where this is an issue is in mt8192.dtsi, which has "sys_ck",
"ref_ck", "xhci_ck" and would cause dtbs_check warnings.
Change the clock list in a way that allows the middle optional clocks to
be missing, while still guaranteeing a fixed order. The "ref_ck" is kept
as a const even though it is optional for simplicity, since it is
present in all current dts files.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
---
.../devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 63cbc2b62d18..99a1b233ec90 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -80,8 +80,13 @@ properties:
items:
- const: sys_ck # required, the following ones are optional
- const: ref_ck
- - const: mcu_ck
- - const: dma_ck
+ - enum:
+ - mcu_ck
+ - dma_ck
+ - xhci_ck
+ - enum:
+ - dma_ck
+ - xhci_ck
- const: xhci_ck
assigned-clocks:
--
2.36.1
