Re: [PATCH] arm64: dts: renesas: r8a77990: Add INTC-EX device node

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On Fri, Sep 28, 2018 at 01:37:56PM +0200, Geert Uytterhoeven wrote:
> From: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> 
> This patch adds a device node for the Interrupt Controller for External
> Devices (INTC-EX) on R-Car E3, which serves external IRQ pins IRQ[0-5].
> 
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Tested on Ebisu using IRQ1 and IRQ2 on CP49 and EXIO E.
> ---
>  arch/arm64/boot/dts/renesas/r8a77990.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
> index 5c1d6321a5d22a18..a175b5dd04ce3475 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
> @@ -341,6 +341,22 @@
>  			#power-domain-cells = <1>;
>  		};
>  
> +		intc_ex: interrupt-controller@e61c0000 {
> +			compatible = "renesas,intc-ex-r8a77990", "renesas,irqc";
> +			#interrupt-cells = <2>;
> +			interrupt-controller;
> +			reg = <0 0xe61c0000 0 0x200>;
> +			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 18 IRQ_TYPE_LEVEL_HIGH
> +				      GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 407>;

I am struggling to locate the documentation for this clock,
although I do see it is consistent with (at least) the dtsi for H3.

> +			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
> +			resets = <&cpg 407>;
> +		};
> +
>  		dmac0: dma-controller@e6700000 {
>  			compatible = "renesas,dmac-r8a77990",
>  				     "renesas,rcar-dmac";
> -- 
> 2.17.1
> 



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