[PATCH linux-next v5 4/5] Documentation: atmel-quadspi: add binding file for Atmel QSPI driver

[Rob Herring]

On 08/26/2015 07:30 AM, Cyrille Pitchen wrote:
> This patch documents the DT bindings for the driver of the Atmel QSPI
> controller embedded inside sama5d2x SoCs.
> 
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen at atmel.com>
> Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>
> Acked-by: Marek Vasut <marex at denx.de>

Acked-by: Rob Herring <robh at kernel.org>

> ---
>  .../devicetree/bindings/mtd/atmel-quadspi.txt      | 29 ++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
> 
> diff --git a/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt b/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
> new file mode 100644
> index 000000000000..0b8d545bb198
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
> @@ -0,0 +1,29 @@
> +* Atmel Quad Serial Peripheral Interface (QSPI)
> +
> +Required properties:
> +- compatible:     should be "atmel,sama5d2-qspi"
> +- reg:            the first contains the register location and length,
> +                  the second contains the memory mapping address and length
> +- interrupts:     should contain the interrupt for the device
> +- clocks:         the phandle of the clock needed by the QSPI controller
> +- #address-cells: should be <1>
> +- #size-cells:    should be <0>
> +
> +Example:
> +
> +spi at f0020000 {
> +	compatible = "atmel,sama5d2-qspi";
> +	reg = <0xf0020000 0x100>,
> +	      <0xd0000000 0x8000000>;
> +	interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>;
> +	clocks = <&spi0_clk>;
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_spi0_default>;
> +	status = "okay";
> +
> +	m25p80 at 0 {
> +		...
> +	};
> +};
>