Re: [PATCH v3 1/6] dt-bindings: phy: Add Amlogic A1 USB2 PHY Bindings

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On 2020/1/4 8:28, Rob Herring wrote:
> On Fri, Dec 27, 2019 at 02:36:41PM +0800, Hanjie Lin wrote:
>> Add the Amlogic A1 Family USB2 PHY Bindings
>>
>> It supports Host mode only.
>>
>> Signed-off-by: Hanjie Lin <hanjie.lin@xxxxxxxxxxx>
>> Signed-off-by: Yue Wang <yue.wang@xxxxxxxxxxx>
>> ---
>>  .../bindings/phy/amlogic,meson-a1-usb2-phy.yaml    | 55 ++++++++++++++++++++++
>>  1 file changed, 55 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/phy/amlogic,meson-a1-usb2-phy.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/phy/amlogic,meson-a1-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/amlogic,meson-a1-usb2-phy.yaml
>> new file mode 100644
>> index 00000000..2b2c526
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/amlogic,meson-a1-usb2-phy.yaml
>> @@ -0,0 +1,55 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +# Copyright 2019 Amlogic, Inc
>> +%YAML 1.2
>> +---
>> +$id: "http://devicetree.org/schemas/phy/amlogic,meson-a1-usb2-phy.yaml#";
>> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
>> +
>> +title: Amlogic A1 USB2 PHY
>> +
>> +maintainers:
>> +  - Yue Wang <yue.wang@xxxxxxxxxxx>
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - amlogic,meson-a1-usb2-phy
> 
> Use 'const' if there's only 1.
> 

Ok

>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  resets:
>> +    maxItems: 1
>> +
>> +  reset-names:
>> +    items:
>> +      - const: phy
> 
> Don't need *-names when there's a single entry.
> 

Ok

>> +
>> +  "#phy-cells":
>> +    const: 0
>> +
>> +  power-domains:
>> +     maxItems: 1
>> +     description:
>> +       a phandle to respective power domain node as described by generic
>> +       PM domain bindings (see power/power_domain.txt for more information).
> 
> Drop the generic description. No need to duplicate everywhere.
> 

Ok, I will modify these issues.

Thanks

Hanjie

>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - resets
>> +  - reset-names
>> +  - "#phy-cells"
>> +  - power-domains
>> +
>> +examples:
>> +  - |
>> +    usb2_phy1: phy@40000 {
>> +      status = "okay";
>> +      compatible = "amlogic,a1-usb2-phy";
>> +      reg = <0x0 0x40000 0x0 0x2000>;
>> +      resets = <&reset RESET_USBPHY>;
>> +      reset-names = "phy";
>> +      #phy-cells = <0>;
>> +      power-domains = <&pwrc PWRC_USB_ID>;
>> +    };
>> -- 
>> 2.7.4
>>
> 
> .
> 



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