Re: [PATCH 1/2] devicetree: Add devicetree bindings documentation for Zynq Quad SPI
From: SÃren Brinkmann
Date: Thu Apr 03 2014 - 13:51:15 EST
Hi Punnaiah,
On Thu, 2014-04-03 at 10:33PM +0530, Punnaiah Choudary Kalluri wrote:
> Add bindings documentation for Zynq Quad SPI driver.
>
> Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xxxxxxxxxx>
> ---
> .../devicetree/bindings/spi/spi-zynq-qspi.txt | 26 ++++++++++++++++++++
> 1 file changed, 26 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt b/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt
> new file mode 100644
> index 0000000..88e00f8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt
> @@ -0,0 +1,26 @@
> +Xilinx Zynq QSPI controller Device Tree Bindings
> +-------------------------------------------------
> +
> +Required properties:
> +- compatible : Should be "xlnx,zynq-qspi-1.0".
> +- reg : Physical base address and size of QSPI 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", "aper_clk"
> + (See clock bindings for details).
> +- clocks : Clock phandles (see clock bindings for details).
> +
> +Optional properties:
> +- num-cs : Number of chip selects used.
> +
> +Example:
> + qspi@e000d000 {
> + compatible = "xlnx,zynq-qspi-1.0";
> + clock-names = "ref_clk", "aper_clk";
These seem to be the SOC names of the clocks. Doesn't have the IP its
own naming for these clock inputs?
SÃren
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