Re: [RFC 3/6] Documentation: dt: add bindings for ti bb2d

Nishanth Menon
2016-11-18T02:54:15Z

On 11/17/2016 08:44 PM, Robert Nelson wrote:
> From: Gowtham Tammana <g-tammana-l0cyMroinI0@public.gmane.org>
>
> Add documentation for device tree bindings description for
> 2D GPU blitter module present in Texas Instruments family of SoCs.
>
> Signed-off-by: Gowtham Tammana <g-tammana-l0cyMroinI0@public.gmane.org>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
> ---

Might want to point at the source of the patch -> just for the record,
this came from TI vendor kernel..
> Documentation/devicetree/bindings/gpu/ti-bb2d.txt | 27 +++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpu/ti-bb2d.txt
>
> diff --git a/Documentation/devicetree/bindings/gpu/ti-bb2d.txt b/Documentation/devicetree/bindings/gpu/ti-bb2d.txt
> new file mode 100644
> index 0000000..af47488
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpu/ti-bb2d.txt
> @@ -0,0 +1,27 @@
> +* Texas Instruments BB2D blitter module
> +
> +This binding describes the 2D BitBlit (BB2D) graphics accelerator
> +subsystem based on the GC320 core from Vivante Corporation available
> +in Texas Instruments SoCs.
> +
> +Required properties:
> + - compatible: value should take the following format:
> + "ti,<soc>-bb2d", "vivante,<gpuversion>"
> + accepted values:
> + (a) "ti,dra7-bb2d", "vivante,gc320" for TI DRA7xx / AM57x
> +
> + - reg : base address and length of BB2D IP registers
> + - interrupts : BB2D interrupt line number
> + - ti,hwmods : name of the hwmod associated with BB2D module
> + - clocks : handle to BB2D functional clock
> + - clock-names : fclk
> +
> +Example for DRA7x SoC:
> + bb2d: bb2d@59000000 {
> + compatible = "ti,dra7-bb2d", "vivante,gc320";
> + reg = <0x59000000 0x0700>;
> + interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
> + ti,hwmods = "bb2d";
> + clocks = <&dpll_core_h24x2_ck>;
> + clock-names = "fclk";
> + };
>

--
Regards,
Nishanth Menon