Re: [PATCH v5 1/2] arm64: tegra: add ACONNECT, ADMA and AGIC nodes

From: Jon Hunter
Date: Thu Jun 13 2019 - 11:11:07 EST



On 13/06/2019 11:41, Sameer Pujar wrote:
> Add DT nodes for following devices on Tegra186 and Tegra194
> * ACONNECT
> * ADMA
> * AGIC
>
> Signed-off-by: Sameer Pujar <spujar@xxxxxxxxxx>
> ---
> changes from previous revision
> * fixed size value for ranges property in aconnect
>
> arch/arm64/boot/dts/nvidia/tegra186.dtsi | 67 ++++++++++++++++++++++++++++++++
> arch/arm64/boot/dts/nvidia/tegra194.dtsi | 67 ++++++++++++++++++++++++++++++++
> 2 files changed, 134 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> index 426ac0b..5e9fe7e 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> @@ -1295,4 +1295,71 @@
> (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
> interrupt-parent = <&gic>;
> };
> +
> + aconnect {
> + compatible = "nvidia,tegra210-aconnect";
> + clocks = <&bpmp TEGRA186_CLK_APE>,
> + <&bpmp TEGRA186_CLK_APB2APE>;
> + clock-names = "ape", "apb2ape";
> + power-domains = <&bpmp TEGRA186_POWER_DOMAIN_AUD>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x02900000 0x0 0x02900000 0x200000>;
> + status = "disabled";
> +
> + dma-controller@2930000 {
> + compatible = "nvidia,tegra186-adma";
> + reg = <0x02930000 0x50000>;

Sorry but I have been double checking these register addresses and I
wonder if this should be a length of 0x10000. The 0x50000 includes all
the ranges where the registers are paged, so I don't think that this is
correct including these.

> + interrupt-parent = <&agic>;
> + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
> + #dma-cells = <1>;
> + clocks = <&bpmp TEGRA186_CLK_AHUB>;
> + clock-names = "d_audio";
> + status = "disabled";
> + };
> +
> + agic: interrupt-controller@2a41000 {

I think that this should be 2a40000 but otherwise looks correct.

Sorry but you are too quick for me to keep up!

Cheers
Jon

--
nvpublic