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authorDmitry Osipenko <digetx@gmail.com>2017-12-11 19:26:07 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-12-14 05:56:34 -0500
commit94e53262a2ac32f4afe8c9b07badf513b0540dd8 (patch)
treee29c446ffa9a7693668647923801c0620e3108eb /Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
parentb32a2b42f76cdfd06b4b58a1ddf987ba329ae34e (diff)
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>
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+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>;
+};

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