On Sun, Oct 4, 2015 at 12:31 PM, Robert Jarzmik <[email protected]> wrote:
> Add documentation for the PXA frambuffer devicetree binding.
>
> Signed-off-by: Robert Jarzmik <[email protected]>
> ---
> Since v1: Philipp's review on the whole binding
> ---
> .../devicetree/bindings/video/marvell,pxafb.txt | 80
> ++++++++++++++++++++++
> 1 file changed, 80 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/video/marvell,pxafb.txt
>
> diff --git a/Documentation/devicetree/bindings/video/marvell,pxafb.txt
> b/Documentation/devicetree/bindings/video/marvell,pxafb.txt
> new file mode 100644
> index 000000000000..4d6bd490680d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/marvell,pxafb.txt
> @@ -0,0 +1,80 @@
> +PXA LCDC Framebuffer
> +--------------------
> +
> +Required properties:
> + - compatible :
> + "marvell,pxa2xx-lcdc",
> + - reg : Should contain 1 register ranges(address and length).
> + Can contain an additional register range(address and length)
> + for fixed framebuffer memory. Useful for dedicated memories.
> + - interrupts : framebuffer controller interrupt
> +
> +Required nodes:
> + - clocks: phandle to input clocks.
> + - port: connection to the LCD panel (see video-interfaces.txt)
> + This nodes must have its properties bus-width and remote-endpoint
> set.
> + This should be in the board dts.
> +
> +Example:
> +
> + lcd-controller@40500000 {
> + compatible = "marvell,pxa2xx-lcdc";
> + reg = <0x44000000 0x10000>;
> + interrupts = <17>;
> + clocks = <&clks CLK_LCD>;
> + interrupts = <23>;
The interrupt line is duplicated in the example.
> + status = "okay";
> +
> + port {
> + lcdc_out: endpoint {
> + remote-endpoint = <&panel_in>;
> + bus-width = <16>;
> + };
> + };
> + };
> +
> +PXA LCDC Display
> +----------------
> +Required properties (as per of_videomode_helper):
> + - lcd-type: either "mono-stn", "mono-dstn", "color-stn", "color-dstn",
> + "color-tft", "smart-panel"
Would it make sense to make this property optional and have the
default be "color-tft"? That is probably the most common one by far.
regards
Philipp
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