diff options
| author |   Dmitry Osipenko <digetx@gmail.com> | 2017-12-11 19:26:07 -0500 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-12-14 05:56:34 -0500 |
| commit | 94e53262a2ac32f4afe8c9b07badf513b0540dd8 (patch) | |
| tree | e29c446ffa9a7693668647923801c0620e3108eb /Documentation/devicetree/bindings/media | |
| parent | media: ddbridge: improve error handling logic on fe attach failures (diff) | |
| download | linux-dev-94e53262a2ac32f4afe8c9b07badf513b0540dd8.tar.xz linux-dev-94e53262a2ac32f4afe8c9b07badf513b0540dd8.zip | |
media: dt: bindings: Add binding for NVIDIA Tegra Video Decoder Engine
Add binding documentation for the Video Decoder Engine which is found
on NVIDIA Tegra20/30/114/124/132 SoC's.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/devicetree/bindings/media')
| -rw-r--r-- | Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt new file mode 100644 index 000000000000..470237ed6fe5 --- /dev/null +++ b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt @@ -0,0 +1,55 @@ +NVIDIA Tegra Video Decoder Engine + +Required properties: +- compatible : Must contain one of the following values: + - "nvidia,tegra20-vde" + - "nvidia,tegra30-vde" + - "nvidia,tegra114-vde" + - "nvidia,tegra124-vde" + - "nvidia,tegra132-vde" +- reg : Must contain an entry for each entry in reg-names. +- reg-names : Must include the following entries: + - sxe + - bsev + - mbe + - ppe + - mce + - tfe + - ppb + - vdma + - frameid +- iram : Must contain phandle to the mmio-sram device node that represents + IRAM region used by VDE. +- interrupts : Must contain an entry for each entry in interrupt-names. +- interrupt-names : Must include the following entries: + - sync-token + - bsev + - sxe +- clocks : Must include the following entries: + - vde +- resets : Must include the following entries: + - vde + +Example: + +video-codec@6001a000 { + compatible = "nvidia,tegra20-vde"; + reg = <0x6001a000 0x1000 /* Syntax Engine */ + 0x6001b000 0x1000 /* Video Bitstream Engine */ + 0x6001c000 0x100 /* Macroblock Engine */ + 0x6001c200 0x100 /* Post-processing Engine */ + 0x6001c400 0x100 /* Motion Compensation Engine */ + 0x6001c600 0x100 /* Transform Engine */ + 0x6001c800 0x100 /* Pixel prediction block */ + 0x6001ca00 0x100 /* Video DMA */ + 0x6001d800 0x300 /* Video frame controls */>; + reg-names = "sxe", "bsev", "mbe", "ppe", "mce", + "tfe", "ppb", "vdma", "frameid"; + iram = <&vde_pool>; /* IRAM region */ + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, /* Sync token interrupt */ + <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, /* BSE-V interrupt */ + <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; /* SXE interrupt */ + interrupt-names = "sync-token", "bsev", "sxe"; + clocks = <&tegra_car TEGRA20_CLK_VDE>; + resets = <&tegra_car 61>; +}; |