On Wed, 2015-05-20 at 12:57PM +0530, Ranjit Waghmode wrote:
> Add bindings documentation for GQSPI controller driver used by
> Zynq Ultrascale+ MPSoC
>
> Signed-off-by: Ranjit Waghmode <ranjit.waghm...@xilinx.com>
> ---
> .../devicetree/bindings/spi/spi-zynqmp-qspi.txt | 26
> ++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt
> b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt
> new file mode 100644
> index 0000000..cec6330
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt
> @@ -0,0 +1,26 @@
> +Xilinx Zynq UltraScale+ MPSoC GQSPI controller Device Tree Bindings
> +-------------------------------------------------------------------
> +
> +Required properties:
> +- compatible : Should be "xlnx,zynqmp-qspi-1.0".
> +- reg : Physical base address and size of GQSPI
> registers map.
> +- interrupts : Property with a value describing the interrupt
> + number.
> +- interrupt-parent : Must be core interrupt controller.
> +- clock-names : List of input clock names - "ref_clk", "pclk"
> + (See clock bindings for details).
> +- clocks : Clock phandles (see clock bindings for details).
> +
> +Optional properties:
> +- num-cs : Number of chip selects used.
> +
> +Example:
> + qspi: spi@ff0f0000 {
> + compatible = "xlnx,zynqmp-qspi-1.0";
> + clock-names = "ref_clk", "pclk";
> + clocks = <&misc_clk &misc_clk>;
> + interrupts = <0 15 4>;
> + interrupt-parent = <&gic>;
> + num-cs = <1>;
> + reg = <0x0 0xff0f0000 0x1000 0x0 0xc0000000 0x8000000>;
I find things a lot easier to read when there is something separating
the groups. Could this become:
reg = <0x0 0xff0f0000 0x1000>, <0x0 0xc0000000 0x8000000>;
?
Thanks,
Sören
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