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From: Serge Semin <Sergey.Semin@baikalelectronics.ru>
To: Mathias Nyman <mathias.nyman@intel.com>,
        Felipe Balbi <balbi@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>
CC: Serge Semin <Sergey.Semin@baikalelectronics.ru>,
        Serge Semin <fancer.lancer@gmail.com>,
        Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>,
        Andy Gross <agross@kernel.org>,
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        Roger Quadros <rogerq@ti.com>,
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        Neil Armstrong <narmstrong@baylibre.com>,
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Subject: [PATCH 02/20] dt-bindings: usb: usb-hcd: Add "otg-rev" property
 restriction
Date: Wed, 14 Oct 2020 13:13:44 +0300
Message-ID: <20201014101402.18271-3-Sergey.Semin@baikalelectronics.ru>
In-Reply-To: <20201014101402.18271-1-Sergey.Semin@baikalelectronics.ru>
References: <20201014101402.18271-1-Sergey.Semin@baikalelectronics.ru>
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There are only four OTG revisions are currently supported by the kernel:
0x0100, 0x0120, 0x0130, 0x0200. Any another value is considered as
invalid.

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

diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index ee7ea205c71d..e01d8a54971e 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -60,6 +60,7 @@ properties:
       features (HNP/SRP/ADP) is enabled. If ADP is required, otg-rev should be
       0x0200 or above.
     $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0x0100, 0x0120, 0x0130, 0x0200]
 
   companion:
     description: Phandle of a companion device