netdev - [PATCH v2 2/4] dt-bindings: usb: add properties for hard wired devices

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Date:   Sat, 10 Oct 2020 16:43:12 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>
CC:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>
Subject: [PATCH v2 2/4] dt-bindings: usb: add properties for hard wired devices

Add some optional properties which are needed for hard wired devices

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v2 changes suggested by Rob:
   1. modify pattern to support any USB class
   2. refer to usb-device.yaml instead of usb-device.txt
---
 .../devicetree/bindings/usb/usb-hcd.yaml      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index 7263b7f2b510..42b295afdf32 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -22,9 +22,28 @@ properties:
     description:
       Name specifier for the USB PHY
 
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  "^[a-f]+@[0-9a-f]+$":
+    type: object
+    $ref: /usb/usb-device.yaml
+    description: The hard wired USB devices
+
 examples:
   - |
     usb {
         phys = <&usb2_phy1>, <&usb3_phy1>;
         phy-names = "usb";
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        hub@1 {
+            compatible = "usb5e3,610";
+            reg = <1>;
+        };
     };
-- 
2.18.0