linux-kernel - [PATCH v2 1/2] dt-bindings: cdns,usb3: Add clock and reset

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Message-ID: <20230510132816.108820-2-minda.chen@starfivetech.com>
Date:   Wed, 10 May 2023 21:28:15 +0800
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Pawel Laszczak <pawell@...ence.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Chen <peter.chen@...nel.org>,
        Roger Quadros <rogerq@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-usb@...r.kernel.org>,
        Minda Chen <minda.chen@...rfivetech.com>
Subject: [PATCH v2 1/2] dt-bindings: cdns,usb3: Add clock and reset

To support generic clock and reset init in Cadence USBSS
controller, add clock and reset dts configuration.

Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
---
 .../devicetree/bindings/usb/cdns,usb3.yaml         | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
index cae46c4982ad..623c6b34dee3 100644
--- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
+++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
@@ -42,6 +42,18 @@ properties:
       - const: otg
       - const: wakeup
 
+  clocks:
+    minItems: 1
+    maxItems: 8
+    description:
+      USB controller clocks.
+
+  resets:
+    minItems: 1
+    maxItems: 8
+    description:
+      USB controller generic resets.
+
   dr_mode:
     enum: [host, otg, peripheral]
 
@@ -98,5 +110,7 @@ examples:
             interrupt-names = "host", "peripheral", "otg";
             maximum-speed = "super-speed";
             dr_mode = "otg";
+            clocks = <&clk 1>, <&clk 2>, <&clk 3>;
+            resets = <&rst 1>, <&rst 2>, <&rst 3>;
         };
     };
-- 
2.17.1