From 94e53262a2ac32f4afe8c9b07badf513b0540dd8 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 11 Dec 2017 19:26:07 -0500 Subject: [PATCH] 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 Acked-by: Rob Herring Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- .../bindings/media/nvidia,tegra-vde.txt | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt 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 = , /* Sync token interrupt */ + , /* BSE-V interrupt */ + ; /* SXE interrupt */ + interrupt-names = "sync-token", "bsev", "sxe"; + clocks = <&tegra_car TEGRA20_CLK_VDE>; + resets = <&tegra_car 61>; +}; -- 2.45.2