linux-kernel - Re: [PATCH 1/7] dt-bindings: phy: spacemit: add K1 USB2 PHY

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Message-ID: <2a862d73-2aaf-48ad-8e01-2138241d9bea@whut.edu.cn>
Date: Wed, 9 Apr 2025 16:01:09 +0800
From: Ze Huang <huangze@...t.edu.cn>
To: Krzysztof Kozlowski <krzk@...nel.org>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Yixun Lan <dlan@...too.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Philipp Zabel <p.zabel@...gutronix.de>,
 Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Alexandre Ghiti <alex@...ti.fr>
Cc: linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev,
 linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 1/7] dt-bindings: phy: spacemit: add K1 USB2 PHY

On 4/7/25 9:18 PM, Krzysztof Kozlowski wrote:
> On 07/04/2025 14:38, Ze Huang wrote:
>> +
>> +properties:
>> +  compatible:
>> +    const: spacemit,k1-usb2-phy
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  "#phy-cells":
>> +    const: 0
>> +
> No supplies? No resets? Are you sure hardware does not use them?

No resets are used for the USB 2.0 PHY, but there is a VBUS supply, which
I included in the DWC3 glue nodes.

>
> Best regards,
> Krzysztof
>
>