Am Freitag, den 03.06.2016, 15:58 +0100 schrieb Russell King:
> From: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
>
> Etnaviv follows the same priciple as imx-drm to have a virtual
> master device node to bind all the individual GPU cores together
> into one DRM device.
>
> Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> ---
> This was supposed to be merged along with Etnaviv, but for whatever
> reason, Etnaviv was merged without this patch. Can someone please
> merge this? I won't be re-sending this as I'm deleting it from my
> tree.
>
NACK
The etnaviv bindings are mainline. They just moved location to
Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt,
following the reorganization done by Rob Herring.
Regards,
Lucas
> .../bindings/drm/etnaviv/etnaviv-drm.txt | 44 ++++++++++++++++++++++
> 1 file changed, 44 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/drm/etnaviv/etnaviv-drm.txt
>
> diff --git a/Documentation/devicetree/bindings/drm/etnaviv/etnaviv-drm.txt b/Documentation/devicetree/bindings/drm/etnaviv/etnaviv-drm.txt
> new file mode 100644
> index 000000000000..e27082bdba0d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/drm/etnaviv/etnaviv-drm.txt
> @@ -0,0 +1,44 @@
> +Etnaviv DRM master device
> +================================
> +
> +The Etnaviv DRM master device is a virtual device needed to list all
> +Vivante GPU cores that comprise the GPU subsystem.
> +
> +Required properties:
> +- compatible: Should be "fsl,imx-gpu-subsystem"
> +- cores: Should contain a list of phandles pointing to Vivante GPU devices
> +
> +example:
> +
> +gpu-subsystem {
> + compatible = "fsl,imx-gpu-subsystem";
> + cores = <&gpu_2d>, <&gpu_3d>;
> +};
> +
> +
> +Vivante GPU core devices
> +====================
> +
> +Required properties:
> +- compatible: Should be "vivante,gc"
> +- reg: should be register base and length as documented in the
> + datasheet
> +- interrupts: Should contain the cores interrupt line
> +- clocks: should contain one clock for entry in clock-names
> + see Documentation/devicetree/bindings/clock/clock-bindings.txt
> +- clock-names:
> + - "bus": AXI/register clock
> + - "core": GPU core clock
> + - "shader": Shader clock (only required if GPU has feature PIPE_3D)
> +
> +example:
> +
> +gpu_3d: gpu@00130000 {
> + compatible = "vivante,gc";
> + reg = <0x00130000 0x4000>;
> + interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clks IMX6QDL_CLK_GPU3D_AXI>,
> + <&clks IMX6QDL_CLK_GPU3D_CORE>,
> + <&clks IMX6QDL_CLK_GPU3D_SHADER>;
> + clock-names = "bus", "core", "shader";
> +};
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