diff mbox series

[v2,1/2] dt-bindings: phy: nuvoton,ma35-usb2-phy: add new bindings

Message ID 20240731014313.113417-2-hpchen0nvt@gmail.com
State Superseded
Headers show
Series Add support for nuvoton ma35 usb2 phy | expand

Commit Message

Hui-Ping Chen July 31, 2024, 1:43 a.m. UTC
Add dt-bindings for USB2 PHY found on the Nuvoton MA35 SoC.

Signed-off-by: Hui-Ping Chen <hpchen0nvt@gmail.com>
---
 .../bindings/phy/nuvoton,ma35d1-usb2-phy.yaml | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml

Comments

Krzysztof Kozlowski July 31, 2024, 5:31 a.m. UTC | #1
On 31/07/2024 03:43, Hui-Ping Chen wrote:
> Add dt-bindings for USB2 PHY found on the Nuvoton MA35 SoC.
> 
> Signed-off-by: Hui-Ping Chen <hpchen0nvt@gmail.com>
> ---
>  .../bindings/phy/nuvoton,ma35d1-usb2-phy.yaml | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
> new file mode 100644
> index 000000000000..88e297ba4ecf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/nuvoton,ma35d1-usb2-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton MA35D1 USB2 phy
> +
> +maintainers:
> +  - Hui-Ping Chen <hpchen0nvt@gmail.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - nuvoton,ma35d1-usb2-phy
> +
> +  "#phy-cells":
> +    const: 0
> +
> +  clocks:
> +    maxItems: 1
> +
> +  nuvoton,sys:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      phandle of the system-management node.
> +      This driver has some status bits located in the sys,

Do not reference drivers, but hardware.

> +      it is necessary to reference the sys link.

This tells me nothing. You must be specific - WHAT IS THE PURPOSE of
this syscon usage in USB2 PHY?

Best regards,
Krzysztof
Hui-Ping Chen Aug. 1, 2024, 12:41 a.m. UTC | #2
Dear Krzysztof,

Thank you for your reply.



On 2024/7/31 下午 01:31, Krzysztof Kozlowski wrote:
> On 31/07/2024 03:43, Hui-Ping Chen wrote:
>> Add dt-bindings for USB2 PHY found on the Nuvoton MA35 SoC.
>>
>> Signed-off-by: Hui-Ping Chen <hpchen0nvt@gmail.com>
>> ---
>>   .../bindings/phy/nuvoton,ma35d1-usb2-phy.yaml | 47 +++++++++++++++++++
>>   1 file changed, 47 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
>> new file mode 100644
>> index 000000000000..88e297ba4ecf
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
>> @@ -0,0 +1,47 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/phy/nuvoton,ma35d1-usb2-phy.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Nuvoton MA35D1 USB2 phy
>> +
>> +maintainers:
>> +  - Hui-Ping Chen <hpchen0nvt@gmail.com>
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - nuvoton,ma35d1-usb2-phy
>> +
>> +  "#phy-cells":
>> +    const: 0
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  nuvoton,sys:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description:
>> +      phandle of the system-management node.
>> +      This driver has some status bits located in the sys,
> Do not reference drivers, but hardware.

Okay. I will revise the description.



>> +      it is necessary to reference the sys link.
> This tells me nothing. You must be specific - WHAT IS THE PURPOSE of
> this syscon usage in USB2 PHY?

Sorry, I misunderstood. I will correct the description.

Thank you for the reminder.



> Best regards,
> Krzysztof


Best regards,

Hui-Ping Chen
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
new file mode 100644
index 000000000000..88e297ba4ecf
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/nuvoton,ma35d1-usb2-phy.yaml
@@ -0,0 +1,47 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/nuvoton,ma35d1-usb2-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton MA35D1 USB2 phy
+
+maintainers:
+  - Hui-Ping Chen <hpchen0nvt@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,ma35d1-usb2-phy
+
+  "#phy-cells":
+    const: 0
+
+  clocks:
+    maxItems: 1
+
+  nuvoton,sys:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle of the system-management node.
+      This driver has some status bits located in the sys,
+      it is necessary to reference the sys link.
+
+required:
+  - compatible
+  - "#phy-cells"
+  - clocks
+  - nuvoton,sys
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+
+    usb_phy: usb-phy {
+        compatible = "nuvoton,ma35d1-usb2-phy";
+        clocks = <&clk USBD_GATE>;
+        nuvoton,sys = <&sys>;
+        #phy-cells = <0>;
+    };