linux-kernel - [PATCH v4 1/4] dt-bindings: usb: Add binding for Genesys Logic GL3590 hub

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Message-Id: <20260120103312.2174727-2-swati.agarwal@oss.qualcomm.com>
Date: Tue, 20 Jan 2026 16:03:09 +0530
From: Swati Agarwal <swati.agarwal@....qualcomm.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Icenowy Zheng <uwu@...nowy.me>,
        Matthias Kaehlcke <mka@...omium.org>,
        Mike Looijmans <mike.looijmans@...ic.nl>,
        Stephen Boyd <swboyd@...omium.org>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Jens Glathe <jens.glathe@...schoolsolutions.biz>,
        Chaoyi Chen <chaoyi.chen@...k-chips.com>,
        J . Neuschäfer <j.ne@...teo.net>,
        Pin-yen Lin <treapking@...omium.org>,
        Catalin Popescu <catalin.popescu@...ca-geosystems.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Swati Agarwal <swati.agarwal@....qualcomm.com>
Subject: [PATCH v4 1/4] dt-bindings: usb: Add binding for Genesys Logic GL3590 hub

Add the binding for the USB3.2 Genesys Logic GL3590 hub.
GL3590 hub requires 1.2V and 3.3V supplies for operation.

Signed-off-by: Swati Agarwal <swati.agarwal@....qualcomm.com>
---
 .../devicetree/bindings/usb/genesys,gl850g.yaml | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
index 9a94b2a74a1e..a4a359000ca1 100644
--- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
+++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
@@ -15,6 +15,7 @@ properties:
       - usb5e3,608
       - usb5e3,610
       - usb5e3,620
+      - usb5e3,625
       - usb5e3,626
 
   reg: true
@@ -26,6 +27,10 @@ properties:
     description:
       The regulator that provides 3.3V or 5.0V core power to the hub.
 
+  vdd12-supply:
+    description:
+      The regulator that provides 1.2V power to the hub.
+
   peer-hub: true
 
   ports:
@@ -69,6 +74,18 @@ allOf:
         peer-hub: true
         vdd-supply: true
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - usb5e3,625
+    then:
+      properties:
+        peer-hub: true
+        vdd-supply: true
+        vdd12-supply: true
+
 unevaluatedProperties: false
 
 examples:
-- 
2.34.1