Re: [PATCH edk2-platforms 1/5] Silicon/SynQuaver/DeviceTree: add node for SPI controller

[Leif Lindholm <leif.lindholm@linaro.org>]

On Thu, Feb 15, 2018 at 05:20:50PM +0000, Ard Biesheuvel wrote:
> Add a node for the SPI controller to the device tree so the OS may
> attach to it. This is the SPI controller that is attached to the
> 96boards mezzanine connector on Developer Box.

Just a generic question (which also applies to the subsequent patch):
Are there any implications here with regards to this bus running in
master or slave mode?

/
    Leif

> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
>  Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> index 9085adb326ab..ba445a50f16f 100644
> --- a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> +++ b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> @@ -538,4 +538,22 @@
>          clock-names = "core", "iface";
>          dma-coherent;
>      };
> +
> +    clk_alw_1_8: spi_ihclk {
> +        compatible = "fixed-clock";
> +        #clock-cells = <0>;
> +        clock-frequency = <125000000>;
> +        clock-output-names = "iHCLK";
> +    };
> +
> +    spi: spi@54810000 {
> +        compatible = "socionext,synquacer-spi";
> +        reg = <0x0 0x54810000 0x0 0x1000>;
> +        clocks = <&clk_alw_1_8>;
> +        clock-names = "iHCLK";
> +        socionext,use-rtm;
> +        socionext,set-aces;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +    };
>  };
> -- 
> 2.11.0
>