linux-kernel - Re: [v1 1/6] arm64: dts: msm8916: Add i2c-qcom-cci node

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Message-ID: <20200312045012.GT264362@yoga>
Date:   Wed, 11 Mar 2020 21:50:12 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Robert Foss <robert.foss@...aro.org>
Cc:     agross@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        catalin.marinas@....com, will@...nel.org, shawnguo@...nel.org,
        olof@...om.net, Anson.Huang@....com, maxime@...no.tech,
        leonard.crestez@....com, dinguyen@...nel.org,
        marcin.juszkiewicz@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Loic Poulain <loic.poulain@...aro.org>
Subject: Re: [v1 1/6] arm64: dts: msm8916: Add i2c-qcom-cci node

On Wed 11 Mar 05:34 PDT 2020, Robert Foss wrote:

> From: Loic Poulain <loic.poulain@...aro.org>
> 
> The msm8916 CCI controller provides one CCI/I2C bus.
> 
> Signed-off-by: Loic Poulain <loic.poulain@...aro.org>
> Signed-off-by: Robert Foss <robert.foss@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/msm8916.dtsi | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> index 9f31064f2374..afe1d73e5cd3 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> @@ -1503,6 +1503,33 @@
>  			};
>  		};
>  
> +		cci@...c000 {

This deserves a label, so that it's possible to reference it and alter
the status in the board dts.

> +			compatible = "qcom,msm8916-cci";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x1b0c000 0x1000>;

Please sort nodes my address (and then by name).

Apart from these two nits, this looks good.

Regards,
Bjorn

> +			interrupts = <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
> +			clocks = <&gcc GCC_CAMSS_TOP_AHB_CLK>,
> +				<&gcc GCC_CAMSS_CCI_AHB_CLK>,
> +				<&gcc GCC_CAMSS_CCI_CLK>,
> +				<&gcc GCC_CAMSS_AHB_CLK>;
> +			clock-names = "camss_top_ahb", "cci_ahb",
> +				      "cci", "camss_ahb";
> +			assigned-clocks = <&gcc GCC_CAMSS_CCI_AHB_CLK>,
> +					  <&gcc GCC_CAMSS_CCI_CLK>;
> +			assigned-clock-rates = <80000000>, <19200000>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&cci0_default>;
> +			status = "disabled";
> +
> +			cci0: i2c-bus@0 {
> +				reg = <0>;
> +				clock-frequency = <400000>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
> +		};
> +
>  		camss: camss@...0000 {
>  			compatible = "qcom,msm8916-camss";
>  			reg = <0x1b0ac00 0x200>,
> -- 
> 2.20.1
>