[PATCH v4 14/18] dt-bindings: usb: dwc3: Add Frame Length Adj constraints

Serge Semin Sergey.Semin at baikalelectronics.ru
Wed Nov 11 04:08:49 EST 2020


In accordance with the IP core databook the
snps,quirk-frame-length-adjustment property can be set within [0, 0x3F].
Let's make sure the DT schema applies a correct constraints on the
property.

Signed-off-by: Serge Semin <Sergey.Semin at baikalelectronics.ru>
Reviewed-by: Rob Herring <robh at kernel.org>
---
 Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 64579aed404f..cd8527789d64 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -234,6 +234,8 @@ properties:
       length adjustment when the fladj_30mhz_sdbnd signal is invalid or
       incorrect.
     $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 0x3f
 
   snps,rx-thr-num-pkt-prd:
     description:
-- 
2.28.0




More information about the linux-arm-kernel mailing list