On Wed, Oct 11, 2017 at 11:08:11PM +0300, Dmitry Osipenko wrote:
> Video decoder, found on NVIDIA Tegra20 SoC, supports a standard set of
> video formats like H.264 / MPEG-4 / WMV / VC1. Currently driver supports
> decoding of CAVLC H.264 only.
>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
> .../bindings/arm/tegra/nvidia,tegra20-vde.txt | 44 +
It's preferred to split bindings to a separate patch. Also, this doesn't
belong under bindings/arm/, but rather bindings/media/.
> drivers/staging/Kconfig | 2 +
> drivers/staging/Makefile | 1 +
> drivers/staging/tegra-vde/Kconfig | 6 +
> drivers/staging/tegra-vde/Makefile | 1 +
> drivers/staging/tegra-vde/TODO | 5 +
> drivers/staging/tegra-vde/uapi.h | 101 ++
> drivers/staging/tegra-vde/vde.c | 1109 ++++++++++++++++++++
> 8 files changed, 1269 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-vde.txt
> create mode 100644 drivers/staging/tegra-vde/Kconfig
> create mode 100644 drivers/staging/tegra-vde/Makefile
> create mode 100644 drivers/staging/tegra-vde/TODO
> create mode 100644 drivers/staging/tegra-vde/uapi.h
> create mode 100644 drivers/staging/tegra-vde/vde.c
>
> diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-vde.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-vde.txt
> new file mode 100644
> index 000000000000..c3f847db8167
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-vde.txt
> @@ -0,0 +1,44 @@
> +NVIDIA Tegra Video Decoder Engine
> +
> +Required properties:
> +- compatible : "nvidia,tegra20-vde"
> +- reg : Must contain 2 register ranges: registers and IRAM region that
> + VDE uses for its internal needs and for passing some of decoding
> + parameters.
Is the IRAM shared with other things. If so, use mmio-sram binding and
define the codec's region.
> +- reg-names : Must include the following entries:
> + - regs
> + - iram
> +- interrupts : Must contain an entry for each entry in interrupt-names.
> +- interrupt-names : Must include the following entries:
> + - ucq-error
> + - sync-token
> + - bsev
> + - bsea
> + - sxe
> +- clocks : Must contain an entry for each entry in clock-names.
> + See ../clocks/clock-bindings.txt for details.
> +- clock-names : Must include the following entries:
> + - vde
> +- resets : Must contain an entry for each entry in reset-names.
> + See ../reset/reset.txt for details.
> +- reset-names : Must include the following entries:
> + - vde
-names is pointless when there is only one.
> +
> +Example:
> +
> +vde@6001a000 {
video-codec@...
> + compatible = "nvidia,tegra20-vde";
> + reg = <0x6001a000 0x3D00 /* VDE registers */
> + 0x40000400 0x3FC00>; /* IRAM region */
Lower case hex please.
> + reg-names = "regs", "iram";
> + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, /* UCQ error interrupt */
> + <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, /* Sync token interrupt */
> + <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, /* BSE-V interrupt */
> + <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, /* BSE-A interrupt */
> + <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; /* SXE interrupt */
> + interrupt-names = "ucq-error", "sync-token", "bsev", "bsea", "sxe";
> + clocks = <&tegra_car TEGRA20_CLK_VDE>;
> + clock-names = "vde";
> + resets = <&tegra_car 61>;
> + reset-names = "vde";
> +};
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