linux-kernel - [PATCH v3 12/16] dt-bindings: usb: dwc3: Add Frame Length Adj constraints

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Date:   Tue, 20 Oct 2020 14:20:57 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <balbi@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        Roger Quadros <rogerq@...com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-snps-arc@...ts.infradead.org>, <linux-mips@...r.kernel.org>,
        <linuxppc-dev@...ts.ozlabs.org>, <linux-usb@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v3 12/16] dt-bindings: usb: dwc3: Add Frame Length Adj constraints

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@...kalelectronics.ru>
Reviewed-by: Rob Herring <robh@...nel.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 6ab7cba56059..2a269624983a 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -230,6 +230,8 @@ 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:
-- 
2.27.0