Re: [PATCH v9 7/8] arm64: dts: qcom: ipq9574: Add USB related nodes

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On 21/04/2023 17:54, Varadarajan Narayanan wrote:
> Add USB phy and controller related nodes
> 
> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> 
> ---
>  Changes in v8:
> 	- Change clocks order to match the bindings
>  Changes in v7:
> 	- Change com_aux -> cfg_ahb
>  Changes in v6:
> 	- Introduce fixed regulators for the phy
> 	- Resolved all 'make dtbs_check' messages
> 
>  Changes in v5:
> 	- Fix additional comments
> 	- Edit nodes to match with qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> 	- 'make dtbs_check' giving the following messages since
> 	  ipq9574 doesn't have power domains. Hope this is ok
> 
> 		/local/mnt/workspace/varada/varda-linux/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dtb: phy@7d000: 'power-domains' is a required property
>         	From schema: /local/mnt/workspace/varada/varda-linux/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> 		/local/mnt/workspace/varada/varda-linux/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dtb: usb@8a00000: 'power-domains' is a required property
>         	From schema: /local/mnt/workspace/varada/varda-linux/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> 
>  Changes in v4:
> 	- Use newer bindings without subnodes
> 	- Fix coding style issues
> 
>  Changes in v3:
> 	- Insert the nodes at proper location
> 
>  Changes in v2:
> 	- Fixed issues flagged by Krzysztof
> 	- Fix issues reported by make dtbs_check
> 	- Remove NOC related clocks (to be added with proper
> 	  interconnect support)
> ---
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 120 ++++++++++++++++++++++++++++++++++
>  1 file changed, 120 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 6a8680a..a6790fb 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -150,6 +150,33 @@
>  		method = "smc";
>  	};
>  
> +	reg_usb_3p3: s3300 {

Nothing improved here.

Node names should be generic, so at least regulator prefix or suffix.
Prefix is preferred as it keeps them grouped.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


Best regards,
Krzysztof




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