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94e53262a2
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>
56 lines
1.8 KiB
Plaintext
56 lines
1.8 KiB
Plaintext
NVIDIA Tegra Video Decoder Engine
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Required properties:
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- compatible : Must contain one of the following values:
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- "nvidia,tegra20-vde"
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- "nvidia,tegra30-vde"
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- "nvidia,tegra114-vde"
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- "nvidia,tegra124-vde"
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- "nvidia,tegra132-vde"
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- reg : Must contain an entry for each entry in reg-names.
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- reg-names : Must include the following entries:
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- sxe
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- bsev
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- mbe
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- ppe
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- mce
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- tfe
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- ppb
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- vdma
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- frameid
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- iram : Must contain phandle to the mmio-sram device node that represents
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IRAM region used by VDE.
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- interrupts : Must contain an entry for each entry in interrupt-names.
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- interrupt-names : Must include the following entries:
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- sync-token
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- bsev
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- sxe
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- clocks : Must include the following entries:
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- vde
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- resets : Must include the following entries:
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- vde
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Example:
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video-codec@6001a000 {
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compatible = "nvidia,tegra20-vde";
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reg = <0x6001a000 0x1000 /* Syntax Engine */
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0x6001b000 0x1000 /* Video Bitstream Engine */
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0x6001c000 0x100 /* Macroblock Engine */
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0x6001c200 0x100 /* Post-processing Engine */
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0x6001c400 0x100 /* Motion Compensation Engine */
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0x6001c600 0x100 /* Transform Engine */
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0x6001c800 0x100 /* Pixel prediction block */
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0x6001ca00 0x100 /* Video DMA */
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0x6001d800 0x300 /* Video frame controls */>;
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reg-names = "sxe", "bsev", "mbe", "ppe", "mce",
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"tfe", "ppb", "vdma", "frameid";
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iram = <&vde_pool>; /* IRAM region */
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interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, /* Sync token interrupt */
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<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, /* BSE-V interrupt */
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<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; /* SXE interrupt */
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interrupt-names = "sync-token", "bsev", "sxe";
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clocks = <&tegra_car TEGRA20_CLK_VDE>;
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resets = <&tegra_car 61>;
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};
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