On Fri, 2019-01-18 at 14:37 +0100, Michael Tretter wrote:
> Add device-tree bindings for the Allegro DVT video IP core found on the
> Xilinx ZynqMP EV family.
>
> Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>
> ---
> Changes since v1:
> none
>
> ---
> .../devicetree/bindings/media/allegro.txt | 35 +++++++++++++++++++
> 1 file changed, 35 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/allegro.txt
>
> diff --git a/Documentation/devicetree/bindings/media/allegro.txt b/Documentation/devicetree/bindings/media/allegro.txt
> new file mode 100644
> index 000000000000..765f4b0c1a57
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/allegro.txt
> @@ -0,0 +1,35 @@
> +Device-tree bindings for the Allegro DVT video IP codecs present in the Xilinx
> +ZynqMP SoC. The IP core may either be a H.264/H.265 encoder or H.264/H.265
> +decoder ip core.
> +
> +Each actual codec engines is controlled by a microcontroller (MCU). Host
> +software uses a provided mailbox interface to communicate with the MCU. The
> +MCU share an interrupt.
> +
> +Required properties:
> + - compatible: value should be one of the following
> + "allegro,al5e-1.1", "allegro,al5e": encoder IP core
> + "allegro,al5d-1.1", "allegro,al5d": decoder IP core
> + - reg: base and length of the memory mapped register region and base and
> + length of the memory mapped sram
> + - reg-names: must include "regs" and "sram"
> + - interrupts: shared interrupt from the MCUs to the processing system
> + - interrupt-names: "vcu_host_interrupt"
> +
> +Example:
> + al5e: al5e@a0009000 {
Should the node names be "vpu" or "video-codec"?
> + compatible = "allegro,al5e";
> + reg = <0 0xa0009000 0 0x1000>,
> + <0 0xa0000000 0 0x8000>;
> + reg-names = "regs", "sram";
> + interrupt-names = "vcu_host_interrupt";
> + interrupts = <0 96 4>;
> + };
> + al5d: al5d@a0029000 {
> + compatible = "allegro,al5d";
> + reg = <0 0xa0029000 0 0x1000>,
> + <0 0xa0020000 0 0x8000>;
> + reg-names = "regs", "sram";
> + interrupt-names = "vcu_host_interrupt";
> + interrupts = <0 96 4>;
> + };
regards
Philipp
