linux-kernel - Re: [PATCH 2/2] arm64: tegra: Add Tegra234 GPCDMA device tree node

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Message-ID: <36bb53d0-80b3-f79e-a599-6acb98d0c872@linaro.org>
Date:   Fri, 13 May 2022 10:32:51 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Akhil R <akhilrajeev@...dia.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, thierry.reding@...il.com,
        jonathanh@...dia.com, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: tegra: Add Tegra234 GPCDMA device tree node

On 12/05/2022 11:00, Akhil R wrote:
> Add device tree nodes for Tegra234 GPCDMA
> 
> Signed-off-by: Akhil R <akhilrajeev@...dia.com>
> ---
>  arch/arm64/boot/dts/nvidia/tegra234.dtsi | 43 ++++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> index cb3af539e477..860c3cc68cea 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> @@ -21,6 +21,49 @@
>  
>  		ranges = <0x0 0x0 0x0 0x40000000>;
>  
> +		gpcdma: dma-controller@...0000 {
> +			compatible = "nvidia,tegra194-gpcdma",
> +				      "nvidia,tegra186-gpcdma";
> +			reg = <0x2600000 0x210000>;
> +			resets = <&bpmp TEGRA234_RESET_GPCDMA>;
> +			reset-names = "gpcdma";
> +			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
> +			#dma-cells = <1>;
> +			iommus = <&smmu_niso0 TEGRA234_SID_GPCDMA>;
> +			dma-coherent;
> +			status = "okay";

okay is by default for new nodes.


Best regards,
Krzysztof