On Thu, Mar 20, 2014 at 04:26:58PM +0000, Alexander Shiyan wrote:
> Add OF document for Cirrus Logic CLPS711X framebuffer driver.
>
> Signed-off-by: Alexander Shiyan <[email protected]>
> ---
> .../bindings/video/cirrus,clps711x-fb.txt | 48
> ++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt
>
> diff --git a/Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt
> b/Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt
> new file mode 100644
> index 0000000..9d59ad3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/cirrus,clps711x-fb.txt
> @@ -0,0 +1,48 @@
> +* Currus Logic CLPS711X Framebuffer
> +
> +Required properties:
> +- compatible: Shall contain "cirrus,clps711x-fb".
> +- reg: Physical base address and length of the controller's registers +
> + location and size of the framebuffer memory.
> +- clocks: phandle + clock specifier pair of the FB reference clock.
> +
> +Required nodes:
> +- display: Phandle to a display node as described in display-timing.txt.
Is this a node or a property?
It looks like you need a node and a phandle to it, please describe these
separately.
Cheers,
Mark.
> + Additionally, the display node has to define properties:
> + - bits-per-pixel: Bits per pixel.
> + - ac-prescale: LCD AC bias frequency. This frequency is the required
> + AC bias frequency for a given manufacturer's LCD plate.
> + - cmap-invert: Invert the color levels (Optional).
> +
> +Optional properties:
> +- lcd-supply: Regulator for LCD supply voltage.
> +
> +Example:
> + fb: fb@800002c0 {
> + compatible = "cirrus,ep7312-fb", "cirrus,clps711x-fb";
> + reg = <0x800002c0 0xd44>, <0x60000000 0xc000>;
> + clocks = <&clks 2>;
> + lcd-supply = <®5v0>;
> + display = <&display>;
> + };
> +
> + display: display {
> + model = "320x240x4";
> + native-mode = <&timing0>;
> + bits-per-pixel = <4>;
> + ac-prescale = <17>;
> +
> + display-timings {
> + timing0: 320x240 {
> + hactive = <320>;
> + hback-porch = <0>;
> + hfront-porch = <0>;
> + hsync-len = <0>;
> + vactive = <240>;
> + vback-porch = <0>;
> + vfront-porch = <0>;
> + vsync-len = <0>;
> + clock-frequency = <6500000>;
> + };
> + };
> + };
> --
> 1.8.3.2
>
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