Re: [PATCH] arm64: dts: r8a77995: Add all HSCIF nodes

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On Wed, May 16, 2018 at 03:04:50PM +0200, Ulrich Hecht wrote:
> From: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> 
> This patch adds the device nodes all HSCIF serial ports
> incl. clocks and power domain to the R8A77995 SoC.
> 
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/renesas/r8a77995.dtsi | 35 +++++++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77995.dtsi b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> index 2f712ac..4b05dc2 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> @@ -240,6 +240,41 @@
>  			resets = <&cpg 407>;
>  		};
>  
> +		hscif0: serial@e6540000 {
> +			compatible = "renesas,hscif-r8a77995",
> +				     "renesas,rcar-gen3-hscif",
> +				     "renesas,hscif";
> +			reg = <0 0xe6540000 0 0x60>;
> +			interrupts = <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 520>,
> +				 <&cpg CPG_CORE R8A77995_CLK_S3D1>,

Section 56.1 of the User's Manual v1.00 indicates that
the clock is S3D1C (250MHz) rather than S3D1 (266.66... MHz).

Otherwise the patch looks fine to me.

> +				 <&scif_clk>;
> +			clock-names = "fck", "brg_int", "scif_clk";
> +			dmas = <&dmac1 0x31>, <&dmac1 0x30>,
> +			       <&dmac2 0x31>, <&dmac2 0x30>;
> +			dma-names = "tx", "rx", "tx", "rx";
> +			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> +			resets = <&cpg 520>;
> +			status = "disabled";
> +		};
> +
> +		hscif3: serial@e66a0000 {
> +			compatible = "renesas,hscif-r8a77995",
> +				     "renesas,rcar-gen3-hscif",
> +				     "renesas,hscif";
> +			reg = <0 0xe66a0000 0 0x60>;
> +			interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 517>,
> +				 <&cpg CPG_CORE R8A77995_CLK_S3D1>,
> +				 <&scif_clk>;
> +			clock-names = "fck", "brg_int", "scif_clk";
> +			dmas = <&dmac0 0x37>, <&dmac0 0x36>;
> +			dma-names = "tx", "rx";
> +			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
> +			resets = <&cpg 517>;
> +			status = "disabled";
> +		};
> +
>  		i2c0: i2c@e6500000 {
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> -- 
> 2.7.4
> 
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