[PATCH V2] dt: brcm,bcm2835-aux-spi: add binding documentation for new spi-bcm2835aux

[Stefan Wahren]

Hi Martin,

Am 25.06.2015 um 12:54 schrieb kernel at martin.sperl.org:
> From: Martin Sperl <kernel at martin.sperl.org>
>
> Signed-off-by: Martin Sperl <kernel at martin.sperl.org>
> ---
>   .../bindings/spi/brcm,bcm2835-aux-spi.txt          |   35 ++++++++++++++++++++
>   1 file changed, 35 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
>
> Changelog:
>    V1 -> V2:	fixed typo
> 		added cs-gpios
>
> diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
> new file mode 100644
> index 0000000..66f52d3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
> @@ -0,0 +1,35 @@
> +Broadcom BCM2835 auxiliar SPI1/2 controller
> +
> +The BCM2835 contains two forms of SPI master controller, one known simply as
> +SPI0, and the other known as the "Universal SPI Master"; part of the
> +auxiliary block. This binding applies to the SPI1/2 controller.
> +
> +Required properties:
> +- compatible: Should be "brcm,bcm2835-aux-spi".
> +- reg: Should contain register location and length for the spi block
> +       as well as for the common aux block control
> +- interrupts: Should contain shared interrupt of the aux block
> +- clocks: The clock feeding the SPI controller.
> +- cs-gpios: the cs-gpios (native cs is NOT supported)

it would be nice to reference to spi-bus.txt here, just like the other 
bindings does.

- cs-gpios: see spi-bus.txt (native chip-select is NOT supported)

Beside that try to get a feedback from the devicetree maintainers.

Stefan