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From: Minda Chen <minda.chen@starfivetech.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor@kernel.org>,
	linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Minda Chen <minda.chen@starfivetech.com>
Subject: [PATCH v1 2/3] dt-bindings: usb: dwc3: Add JHB100 USB device clock number limit
Date: Fri, 18 Sep 2026 15:11:02 +0800	[thread overview]
Message-ID: <20260918071103.24482-3-minda.chen@starfivetech.com> (raw)
In-Reply-To: <20260918071103.24482-1-minda.chen@starfivetech.com>

StarFive JHB100 server host virtual device controller do not connect
with PHY but connect with digital adapter module. So it do not
contain core reference clock. So the minimal clock number is 2
(glue layer main enable clock and dwc3 core bus clk). So Add
minItem 2 to clock and clock-names items.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
---
 Documentation/devicetree/bindings/usb/starfive,jhb100-dwc3.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/starfive,jhb100-dwc3.yaml b/Documentation/devicetree/bindings/usb/starfive,jhb100-dwc3.yaml
index b2fd98c06ba0..3d0c248dee71 100644
--- a/Documentation/devicetree/bindings/usb/starfive,jhb100-dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/starfive,jhb100-dwc3.yaml
@@ -35,12 +35,14 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 2
     items:
       - description: USB main enable clk
       - description: DWC3 bus early clock
       - description: DWC3 ref clock
 
   clock-names:
+    minItems: 2
     items:
       - const: main
       - const: bus_early
-- 
2.17.1


  parent reply	other threads:[~2026-09-18  7:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-18  7:11 [PATCH v1 0/3] Add StarFive JHB100 host field USB device controller driver Minda Chen
2026-09-18  7:11 ` [PATCH v1 1/3] dt-bindings: usb: dwc3: Add JHB100 device controller PHY adapter Minda Chen
2026-09-18  7:11 ` Minda Chen [this message]
2026-09-18  7:11 ` [PATCH v1 3/3] usb: dwc3-generic: Add Starfive JHB100 USB 2.0 device controller and adapter Minda Chen

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