linux-kernel - Re: [RESEND PATCH 1/2] dt-bindings: phy: rockchip,inno-usb2phy: add rk3576

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Message-ID: <1f996322-e6f6-4dd5-a1d7-c2bde92c876b@rock-chips.com>
Date: Tue, 24 Sep 2024 10:24:06 +0800
From: Frank Wang <frank.wang@...k-chips.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: vkoul@...nel.org, kishon@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, heiko@...ech.de, linux-phy@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
 william.wu@...k-chips.com, tim.chen@...k-chips.com, wmc@...k-chips.com
Subject: Re: [RESEND PATCH 1/2] dt-bindings: phy: rockchip,inno-usb2phy: add
 rk3576

Hi Krzysztof,
On 2024/9/23 17:31, Krzysztof Kozlowski wrote:
> On Mon, Sep 23, 2024 at 10:53:25AM +0800, Frank Wang wrote:
>> Add compatible for the USB2 phy in the Rockchip RK3576 SoC.
>>
>> Signed-off-by: Frank Wang <frank.wang@...k-chips.com>
>> ---
>>   .../devicetree/bindings/phy/rockchip,inno-usb2phy.yaml | 10 +++++++++-
>>   1 file changed, 9 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml b/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml
>> index 5254413137c64..214917e55c0b6 100644
>> --- a/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml
>> +++ b/Documentation/devicetree/bindings/phy/rockchip,inno-usb2phy.yaml
>> @@ -20,6 +20,7 @@ properties:
>>         - rockchip,rk3366-usb2phy
>>         - rockchip,rk3399-usb2phy
>>         - rockchip,rk3568-usb2phy
>> +      - rockchip,rk3576-usb2phy
>>         - rockchip,rk3588-usb2phy
>>         - rockchip,rv1108-usb2phy
>>   
>> @@ -34,10 +35,16 @@ properties:
>>       const: 0
>>   
>>     clocks:
>> -    maxItems: 1
>> +    minItems: 1
>> +    items:
>> +      - description: phyclk - PHY input reference clocks.
>> +      - description: aclk and aclk_slv are optional and used for USB MMU.
>>   
>>     clock-names:
>> +    minItems: 1
>>       const: phyclk
>> +    const: aclk
>> +    const: aclk_slv
> Please test... Not sure what you wanted to achieve here, but maybe
> oneOf?

The "aclk" and "aclk_slv" clocks are new in RK3576, you mean the changes 
should be like the below?

@@ -34,10 +35,20 @@ properties:
      const: 0

    clocks:
-    maxItems: 1
+    minItems: 1
+    maxItems: 3

    clock-names:
-    const: phyclk
+    minItems: 1
+    maxItems: 3
+    items:
+      oneOf:
+        - description: PHY input reference clocks.
+          const: phyclk
+        - description: aclk for USB MMU.
+          const: aclk
+        - description: aclk_slv for USB MMU.
+          const: aclk_slv


BR.
Frank

> Best regards,
> Krzysztof
>