linux-kernel - Re: [PATCH 1/4] ARM: dts: qcom: ipq4019: use generic node names for USB

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Date:   Mon, 19 Jun 2023 19:15:19 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] ARM: dts: qcom: ipq4019: use generic node names for
 USB

On 19.06.2023 19:01, Krzysztof Kozlowski wrote:
> Device node names should be generic which is also expected by USB
> bindings:
> 
>   qcom-ipq4018-jalapeno.dtb: dwc3@...0000: $nodename:0: 'dwc3@...0000' does not match '^usb(@.*)?'
> 
> Override also the DWC3 node in qcom-ipq4018-ap120c-ac.dtsi by
> label/phandle, not via node path, because it is less error-prone and
> makes the overriding node-name independent.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  arch/arm/boot/dts/qcom-ipq4018-ap120c-ac.dtsi |  7 ++++---
>  arch/arm/boot/dts/qcom-ipq4019.dtsi           | 14 +++++++-------
>  2 files changed, 11 insertions(+), 10 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/qcom-ipq4018-ap120c-ac.dtsi b/arch/arm/boot/dts/qcom-ipq4018-ap120c-ac.dtsi
> index d90b4f4c63af..da67d55fa557 100644
> --- a/arch/arm/boot/dts/qcom-ipq4018-ap120c-ac.dtsi
> +++ b/arch/arm/boot/dts/qcom-ipq4018-ap120c-ac.dtsi
> @@ -262,10 +262,11 @@ &usb3_hs_phy {
>  &usb3 {
>  	status = "okay";
>  
> -	dwc3@...0000 {
> -		phys = <&usb3_hs_phy>;
> -		phy-names = "usb2-phy";
>  	};
> +
> +&usb3_dwc {
> +	phys = <&usb3_hs_phy>;
> +	phy-names = "usb2-phy";
>  };
>  
>  &usb2_hs_phy {
> diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> index f0ef86fadc9d..13388e5c1b4b 100644
> --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
> +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> @@ -621,7 +621,7 @@ ethphy4: ethernet-phy@4 {
>  			};
>  		};
>  
> -		usb3_ss_phy: ssphy@...00 {
> +		usb3_ss_phy: usb-phy@...00 {
>  			compatible = "qcom,usb-ss-ipq4019-phy";
>  			#phy-cells = <0>;
>  			reg = <0x9a000 0x800>;
> @@ -631,7 +631,7 @@ usb3_ss_phy: ssphy@...00 {
>  			status = "disabled";
>  		};
>  
> -		usb3_hs_phy: hsphy@...00 {
> +		usb3_hs_phy: usb-phy@...00 {
>  			compatible = "qcom,usb-hs-ipq4019-phy";
>  			#phy-cells = <0>;
>  			reg = <0xa6000 0x40>;
> @@ -641,7 +641,7 @@ usb3_hs_phy: hsphy@...00 {
>  			status = "disabled";
>  		};
>  
> -		usb3: usb3@...8800 {
> +		usb3: usb@...8800 {
>  			compatible = "qcom,ipq4019-dwc3", "qcom,dwc3";
>  			reg = <0x8af8800 0x100>;
>  			#address-cells = <1>;
> @@ -653,7 +653,7 @@ usb3: usb3@...8800 {
>  			ranges;
>  			status = "disabled";
>  
> -			dwc3@...0000 {
> +			usb3_dwc: usb@...0000 {
>  				compatible = "snps,dwc3";
>  				reg = <0x8a00000 0xf8000>;
>  				interrupts = <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
> @@ -663,7 +663,7 @@ dwc3@...0000 {
>  			};
>  		};
>  
> -		usb2_hs_phy: hsphy@...00 {
> +		usb2_hs_phy: usb-phy@...00 {
>  			compatible = "qcom,usb-hs-ipq4019-phy";
>  			#phy-cells = <0>;
>  			reg = <0xa8000 0x40>;
> @@ -673,7 +673,7 @@ usb2_hs_phy: hsphy@...00 {
>  			status = "disabled";
>  		};
>  
> -		usb2: usb2@...8800 {
> +		usb2: usb@...8800 {
>  			compatible = "qcom,ipq4019-dwc3", "qcom,dwc3";
>  			reg = <0x60f8800 0x100>;
>  			#address-cells = <1>;
> @@ -685,7 +685,7 @@ usb2: usb2@...8800 {
>  			ranges;
>  			status = "disabled";
>  
> -			dwc3@...0000 {
> +			usb@...0000 {
>  				compatible = "snps,dwc3";
>  				reg = <0x6000000 0xf8000>;
>  				interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;