[PATCH v4 1/6] dt-bindings: phy: Add Amlogic A1 USB2 PHY Bindings

Hanjie Lin hanjie.lin at amlogic.com
Thu Jan 9 03:55:50 PST 2020



On 2020/1/9 17:21, Neil Armstrong wrote:
> On 09/01/2020 03:30, Hanjie Lin wrote:
>> Add the Amlogic A1 Family USB2 PHY Bindings
>>
>> It supports Host mode only.
>>
>> Signed-off-by: Hanjie Lin <hanjie.lin at amlogic.com>
>> Signed-off-by: Yue Wang <yue.wang at amlogic.com>
>> ---
>>  .../bindings/phy/amlogic,meson-a1-usb2-phy.yaml    | 56 ++++++++++++++++++++++
>>  1 file changed, 56 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..dd2e3a6
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/amlogic,meson-a1-usb2-phy.yaml
>> @@ -0,0 +1,56 @@
>> +# 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 at amlogic.com>
>> +
>> +properties:
>> +  compatible:
>> +    const: amlogic,meson-a1-usb2-phy
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  clock-names:
>> +    items:
>> +      - const: xtal_usb_phy
>> +
>> +  resets:
>> +    maxItems: 1
> 
> Please use reset-names like the g12a bindings.
> 
> Neil
> 

Ok, Neil

I will revert reset-names change to keep consistence with G12A in next version.

Thanks,
Hanjie

>> +
>> +  "#phy-cells":
>> +    const: 0
>> +
>> +  power-domains:
>> +     maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +  - resets
>> +  - "#phy-cells"
>> +  - power-domains
>> +
>> +examples:
>> +  - |
>> +    usb2_phy1: phy at 40000 {
>> +      status = "okay";
>> +      compatible = "amlogic,a1-usb2-phy";
>> +      clocks = <&clkc_periphs 2>;
>> +      clock-names = "xtal_usb_phy";
>> +      reg = <0x0 0x40000 0x0 0x2000>;
>> +      resets = <&reset RESET_USBPHY>;
>> +      #phy-cells = <0>;
>> +      power-domains = <&pwrc PWRC_USB_ID>;
>> +    };
>>
> 
> .
> 



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