Re: [PATCHv3] arm: dts: socfpga: Add SPI nodes to SOCFPGA DT.

[Steffen Trumtrar <s.trumtrar-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

Hi!

On Thu, Oct 16, 2014 at 05:07:31PM -0500, tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org wrote:
> From: Thor Thayer <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
> 
> Add 2 SPI nodes to SOCFPGA device tree.
> 
> Signed-off-by: Thor Thayer <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>
> ---
> v2: Remove extra files. Move SPIDEV into board specific file.
> 
> v3: Remove dts file since SPIDEV is not allowed.
> ---
>  arch/arm/boot/dts/socfpga.dtsi |   24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
> index 4d77ad6..d81bc2d3 100644
> --- a/arch/arm/boot/dts/socfpga.dtsi
> +++ b/arch/arm/boot/dts/socfpga.dtsi
> @@ -628,6 +628,30 @@
>  			clock-names = "biu", "ciu";
>  		};
>  
> +		spi0: spi@fff00000 {
> +			compatible = "snps,dw-apb-ssi";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0xfff00000 0x1000>;
> +			interrupts = <0 154 4>;
> +			num-cs = <4>;
> +			bus-num = <0>;
			^^^^^^^^^^^^^^

I think you can/should get rid of this property. It is only used/documented for
fsl-dspi as far as I can see.

> +			clocks = <&spi_m_clk>;
> +			status = "disabled";
> +		};
> +
> +		spi1: spi@fff01000 {
> +			compatible = "snps,dw-apb-ssi";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0xfff01000 0x1000>;
> +			interrupts = <0 156 4>;
> +			num-cs = <4>;
> +			bus-num = <1>;
> +			clocks = <&spi_m_clk>;
> +			status = "disabled";
> +		};
> +
>  		/* Local timer */
>  		timer@fffec600 {
>  			compatible = "arm,cortex-a9-twd-timer";

The rest looks good IMO.

Regards,
Steffen

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