On Sat, Jun 21, 2014 at 11:21:46PM +0100, Robert Jarzmik wrote:
> Add device-tree bindings documentation for pxa_camera driver.
>
> Signed-off-by: Robert Jarzmik <robert.jarz...@free.fr>
> ---
> .../devicetree/bindings/media/pxa-camera.txt | 39
> ++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/pxa-camera.txt
>
> diff --git a/Documentation/devicetree/bindings/media/pxa-camera.txt
> b/Documentation/devicetree/bindings/media/pxa-camera.txt
> new file mode 100644
> index 0000000..9835aae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/pxa-camera.txt
> @@ -0,0 +1,39 @@
> +Marvell PXA camera host interface
> +
> +Required properties:
> + - compatible: Should be "marvell,pxa27x-qci"
Is that x a wildcard? Or is 'x' part of the name of a particular unit?
We prefer not to have wildcard compatible strings in DT.
> + - reg: register base and size
> + - interrupts: the interrupt number
> + - any required generic properties defined in video-interfaces.txt
> +
> +Optional properties:
> + - clock-frequency: host interface is driving MCLK, and MCLK rate is this
> rate
Is MCLK an input or an output of this block?
If the former, why isn't this described as a clock?
> +
> +Example:
> +
> + pxa_camera: pxa_camera@50000000 {
> + compatible = "marvell,pxa27x-qci";
> + reg = <0x50000000 0x1000>;
> + interrupts = <33>;
> +
> + clocks = <&pxa2xx_clks 24>;
> + clock-names = "camera";
These weren't mentioned above. Is the clock input line really called
"camera"?
Mark.
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