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Date:   Mon, 11 Jan 2021 12:23:29 -0600
From:   Bjorn Andersson <bjorn.andersson@linaro.org>
To:     Vinod Koul <vkoul@kernel.org>
Cc:     Mark Brown <broonie@kernel.org>, Wolfram Sang <wsa@kernel.org>,
        linux-arm-msm@vger.kernel.org, Andy Gross <agross@kernel.org>,
        Matthias Kaehlcke <mka@chromium.org>,
        Douglas Anderson <dianders@chromium.org>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Amit Pundir <amit.pundir@linaro.org>,
        linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6/7] arm64: dts: qcom: sdm845: Add gpi dma node
Message-ID: <X/yXoY/3pqvvDpd6@builder.lan>
References: <20210111151651.1616813-1-vkoul@kernel.org>
 <20210111151651.1616813-7-vkoul@kernel.org>
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On Mon 11 Jan 09:16 CST 2021, Vinod Koul wrote:

> This add the device node for gpi dma0 instances found in sdm845.

I think the 0 in "dma0" should go?

Apart from that, this looks good.

> 
> Signed-off-by: Vinod Koul <vkoul@kernel.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 46 ++++++++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index bcf888381f14..c9a127bbd606 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -1114,6 +1114,29 @@ opp-128000000 {
>  			};
>  		};
>  
> +		gpi_dma0: dma-controller@800000 {
> +			#dma-cells = <3>;

Nit. I know #dma-cells are important to you ;) but I would prefer to
have the standard properties (e.g. compatible) first.

Regards,
Bjorn

> +			compatible = "qcom,sdm845-gpi-dma";
> +			reg = <0 0x00800000 0 0x60000>;
> +			interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>;
> +			dma-channels = <13>;
> +			dma-channel-mask = <0xfa>;
> +			iommus = <&apps_smmu 0x0016 0x0>;
> +			status = "disabled";
> +		};
> +
>  		qupv3_id_0: geniqup@8c0000 {
>  			compatible = "qcom,geni-se-qup";
>  			reg = <0 0x008c0000 0 0x6000>;
> @@ -1533,6 +1556,29 @@ uart7: serial@89c000 {
>  			};
>  		};
>  
> +		gpi_dma1: dma-controller@0xa00000 {
> +			#dma-cells = <3>;
> +			compatible = "qcom,sdm845-gpi-dma";
> +			reg = <0 0x00a00000 0 0x60000>;
> +			interrupts = <GIC_SPI 279 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 280 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 293 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 294 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 295 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 296 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 297 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 298 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 299 IRQ_TYPE_LEVEL_HIGH>;
> +			dma-channels = <13>;
> +			dma-channel-mask = <0xfa>;
> +			iommus = <&apps_smmu 0x06d6 0x0>;
> +			status = "disabled";
> +		};
> +
>  		qupv3_id_1: geniqup@ac0000 {
>  			compatible = "qcom,geni-se-qup";
>  			reg = <0 0x00ac0000 0 0x6000>;
> -- 
> 2.26.2
>