linux-kernel - Re: [PATCH v2 7/8] arm64: tegra: Add nodes for tcu on Tegra194

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Message-ID: <eb514b19-001b-0783-def5-101a03ab5a6c@nvidia.com>
Date:   Thu, 21 Jun 2018 10:48:33 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Mikko Perttunen <mperttunen@...dia.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <jassisinghbrar@...il.com>,
        <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>
CC:     <devicetree@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 7/8] arm64: tegra: Add nodes for tcu on Tegra194


On 20/06/18 13:20, Mikko Perttunen wrote:
> Add nodes required for communication through the Tegra Combined UART.
> This includes the AON HSP instance, addition of shared interrupts
> for the TOP0 HSP instance, and finally the TCU node itself. Also
> mark the HSP instances as compatible to tegra194-hsp, as the hardware
> is not identical but is compatible to tegra186-hsp.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---
>  arch/arm64/boot/dts/nvidia/tegra194.dtsi | 34 +++++++++++++++++++++++++++++---
>  1 file changed, 31 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> index 6d699815a84f..d7f780b06fe2 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> @@ -217,10 +217,31 @@
>  		};
>  
>  		hsp_top0: hsp@...0000 {
> -			compatible = "nvidia,tegra186-hsp";
> +			compatible = "nvidia,tegra194-hsp", "nvidia,tegra186-hsp";
>  			reg = <0x03c00000 0xa0000>;
> -			interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
> -			interrupt-names = "doorbell";
> +			interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "doorbell", "shared0", "shared1", "shared2",
> +			                  "shared3", "shared4", "shared5", "shared6",
> +			                  "shared7";
> +			#mbox-cells = <2>;
> +		};
> +
> +		hsp_aon: hsp@...0000 {
> +			compatible = "nvidia,tegra194-hsp", "nvidia,tegra186-hsp";
> +			reg = <0x0c150000 0xa0000>;
> +			interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
> +			             <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "shared0", "shared1", "shared2", "shared3";
>  			#mbox-cells = <2>;
>  		};
>  
> @@ -382,6 +403,13 @@
>  		};
>  	};
>  
> +	tcu: tcu {
> +		compatible = "nvidia,tegra194-tcu";
> +		mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_SM 0>,
> +		         <&hsp_aon TEGRA_HSP_MBOX_TYPE_SM 1>;
> +		mbox-names = "rx", "tx";
> +	};
> +
>  	timer {
>  		compatible = "arm,armv8-timer";
>  		interrupts = <GIC_PPI 13
> 

Acked-by: Jon Hunter <jonathanh@...dia.com>

Cheers
Jon

-- 
nvpublic