linux-kernel - Re: [PATCH 2/4] arm64: dts: qcom: sm8250: Add missing interconnect paths to USB HCs

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Message-ID: <eb7b8485-6c6c-da4d-cf90-334139b21ce6@linaro.org>
Date:   Thu, 1 Jun 2023 14:22:35 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Abel Vesa <abel.vesa@...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>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] arm64: dts: qcom: sm8250: Add missing interconnect
 paths to USB HCs



On 1.06.2023 14:00, Abel Vesa wrote:
> The USB HCs nodes are missing the interconnect paths, so add them.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index e5c60a6e4074..eefd3dcbb2e1 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -3750,6 +3750,10 @@ usb_1: usb@...8800 {
>  
>  			resets = <&gcc GCC_USB30_PRIM_BCR>;
>  
> +			interconnects = <&aggre1_noc MASTER_USB3 0 &mc_virt SLAVE_EBI_CH0 0>,
> +					<&gem_noc MASTER_AMPSS_M0 0 &config_noc SLAVE_USB3 0>;
You need to update #interconnect-cells to 2.

Konrad
> +			interconnect-names = "usb-ddr", "apps-usb";
> +
>  			usb_1_dwc3: usb@...0000 {
>  				compatible = "snps,dwc3";
>  				reg = <0 0x0a600000 0 0xcd00>;
> @@ -3810,6 +3814,10 @@ usb_2: usb@...8800 {
>  
>  			resets = <&gcc GCC_USB30_SEC_BCR>;
>  
> +			interconnects = <&aggre1_noc MASTER_USB3_1 0 &mc_virt SLAVE_EBI_CH0 0>,
> +					<&gem_noc MASTER_AMPSS_M0 0 &config_noc SLAVE_USB3_1 0>;
> +			interconnect-names = "usb-ddr", "apps-usb";
> +
>  			usb_2_dwc3: usb@...0000 {
>  				compatible = "snps,dwc3";
>  				reg = <0 0x0a800000 0 0xcd00>;