Re: [PATCHv2 1/3] bindings: spi: Add devicetree binding for spi-xilinx

[Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

On Wed, Mar 09, 2016 at 02:17:20PM +0530, Shubhrajyoti Datta wrote:
> Add a binding document for the spi/spi-xilinx
> 
> Signed-off-by: Shubhrajyoti Datta <shubhraj-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
> ---
>  .../devicetree/bindings/spi/spi-xilinx.txt         |   22 ++++++++++++++++++++
>  1 files changed, 22 insertions(+), 0 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/spi/spi-xilinx.txt
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.txt b/Documentation/devicetree/bindings/spi/spi-xilinx.txt
> new file mode 100644
> index 0000000..c7b7856
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-xilinx.txt
> @@ -0,0 +1,22 @@
> +Xilinx SPI controller Device Tree Bindings
> +-------------------------------------------------
> +
> +Required properties:
> +- compatible		: Should be "xlnx,xps-spi-2.00.a" or "xlnx,xps-spi-2.00.b"
> +- reg			: Physical base address and size of SPI registers map.
> +- interrupts		: Property with a value describing the interrupt
> +			  number.
> +- interrupt-parent	: Must be core interrupt controller
> +
> +Optional properties:
> +- xlnx,num-ss-bits	: Number of chip selects used.

There's a standard property for this.

> +
> +Example:
> +	axi_quad_spi@41e00000 {

Use generic spi@...

> +			compatible = "xlnx,xps-spi-2.00.a";
> +			interrupt-parent = <&intc>;
> +			interrupts = <0 31 1>;
> +			reg = <0x41e00000 0x10000>;
> +			xlnx,num-ss-bits = <0x1>;
> +	};
> +
> -- 
> 1.7.1
> 
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