linux-kernel - Re: [PATCH 2/2] arm64: dts: sdm845: Redefine interconnect provider DT nodes

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Date:   Sun, 21 Jul 2019 12:13:05 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     David Dai <daidavid1@...eaurora.org>
Cc:     georgi.djakov@...aro.org, robh+dt@...nel.org, evgreen@...gle.com,
        ilina@...eaurora.org, seansw@....qualcomm.com, elder@...aro.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: sdm845: Redefine interconnect provider
 DT nodes

On Fri 19 Jul 13:32 PDT 2019, David Dai wrote:

> Add the DT nodes for each of the Network-On-Chip interconnect
> buses found on SDM845 based platform and redefine the rsc_hlos
> child node as a bcm-voter device to better represent the hardware.
> 
> Signed-off-by: David Dai <daidavid1@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 61 ++++++++++++++++++++++++++++++++++--
>  1 file changed, 58 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index e7d78bc..204222e 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -610,6 +610,62 @@
>  			#power-domain-cells = <1>;
>  		};
>  
> +		aggre1_noc: interconnect@...0000 {
> +			compatible = "qcom,sdm845-aggre1_noc";
> +			reg = <0 0x16e0000 0 0xd080>;

Please pad the address to 8 digits and keep nodes sorted by address.

> +			#interconnect-cells = <1>;
> +			qcom,bcm-voter = <&apps_bcm_voter>;
> +		};
> +
> +		aggre2_noc: interconnect@...0000 {
> +			compatible = "qcom,sdm845-aggre2_noc";
> +			reg = <0 0x1700000 0 0x3b100>;
> +			#interconnect-cells = <1>;
> +			qcom,bcm-voter = <&apps_bcm_voter>;
> +		};
> +
> +		config_noc: interconnect@...0000 {
> +			compatible = "qcom,sdm845-config_noc";
> +			reg = <0 0x1500000 0 0x5080>;
> +			#interconnect-cells = <1>;
> +			qcom,bcm-voter = <&apps_bcm_voter>;
> +		};
[..]
>  		qfprom@...000 {
>  			compatible = "qcom,qfprom";
>  			reg = <0 0x00784000 0 0x8ff>;
> @@ -2801,9 +2857,8 @@
>  				};
>  			};
>  
> -			rsc_hlos: interconnect {
> -				compatible = "qcom,sdm845-rsc-hlos";
> -				#interconnect-cells = <1>;
> +			apps_bcm_voter: bcm_voter {

No '_' in node names, so bcm-voter.

Apart from this nits this looks good.

Regards,
Bjorn

> +				compatible = "qcom,sdm845-bcm-voter";
>  			};
>  		};
>  
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>