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Setting 'additionalProperties: false' is frequently omitted, but is important in order to check that there aren't extra undocumented properties in a binding. Ideally, we'd just add this automatically and make this the default, but there's some cases where it doesn't work. For example, if a common schema is referenced, then properties in the common schema aren't part of what's considered for 'additionalProperties'. Also, sometimes there are bus specific properties such as 'spi-max-frequency' that go into bus child nodes, but aren't defined in the child node's schema. So let's stick with the json-schema defined default and add 'additionalProperties: false' where needed. This will be a continual review comment and game of wack-a-mole. Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Stephen Boyd <sboyd@kernel.org> # clock Acked-by: Lee Jones <lee.jones@linaro.org>
144 lines
3.2 KiB
YAML
144 lines
3.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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# Copyright 2019 BayLibre, SAS
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/media/amlogic,gx-vdec.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Amlogic Video Decoder
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maintainers:
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- Neil Armstrong <narmstrong@baylibre.com>
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- Maxime Jourdan <mjourdan@baylibre.com>
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description: |
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The video decoding IP lies within the DOS memory region,
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except for the hardware bitstream parser that makes use of an undocumented
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region.
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It makes use of the following blocks:
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- ESPARSER is a bitstream parser that outputs to a VIFIFO. Further VDEC blocks
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then feed from this VIFIFO.
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- VDEC_1 can decode MPEG-1, MPEG-2, MPEG-4 part 2, MJPEG, H.263, H.264, VC-1.
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- VDEC_HEVC can decode HEVC and VP9.
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Both VDEC_1 and VDEC_HEVC share the "vdec" IRQ and as such cannot run
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concurrently.
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- amlogic,gxbb-vdec # GXBB (S905)
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- amlogic,gxl-vdec # GXL (S905X, S905D)
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- amlogic,gxm-vdec # GXM (S912)
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- const: amlogic,gx-vdec
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- enum:
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- amlogic,g12a-vdec # G12A (S905X2, S905D2)
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- amlogic,sm1-vdec # SM1 (S905X3, S905D3)
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interrupts:
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minItems: 2
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interrupt-names:
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items:
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- const: vdec
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- const: esparser
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reg:
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minItems: 2
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reg-names:
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items:
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- const: dos
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- const: esparser
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resets:
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maxItems: 1
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reset-names:
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items:
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- const: esparser
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clocks:
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minItems: 4
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maxItems: 5
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clock-names:
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minItems: 4
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maxItems: 5
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items:
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- const: dos_parser
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- const: dos
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- const: vdec_1
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- const: vdec_hevc
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- const: vdec_hevcf
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amlogic,ao-sysctrl:
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description: should point to the AOBUS sysctrl node
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allOf:
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- $ref: /schemas/types.yaml#/definitions/phandle
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amlogic,canvas:
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description: should point to a canvas provider node
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allOf:
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- $ref: /schemas/types.yaml#/definitions/phandle
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- amlogic,gx-vdec
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then:
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properties:
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clock-names:
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maxItems: 4
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- if:
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properties:
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compatible:
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contains:
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enum:
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- amlogic,g12a-vdec
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- amlogic,sm1-vdec
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then:
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properties:
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clock-names:
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minItems: 5
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required:
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- compatible
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- reg
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- reg-names
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- interrupts
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- interrupt-names
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- clocks
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- clock-names
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- resets
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- reset-names
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- amlogic,ao-sysctrl
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- amlogic,canvas
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additionalProperties: false
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examples:
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- |
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vdec: video-decoder@c8820000 {
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compatible = "amlogic,gxl-vdec", "amlogic,gx-vdec";
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reg = <0xc8820000 0x10000>, <0xc110a580 0xe4>;
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reg-names = "dos", "esparser";
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interrupts = <44>, <32>;
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interrupt-names = "vdec", "esparser";
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clocks = <&clk_dos_parser> ,<&clk_dos>, <&clk_vdec_1>, <&clk_vdec_hevc>;
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clock-names = "dos_parser", "dos", "vdec_1", "vdec_hevc";
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resets = <&reset_parser>;
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reset-names = "esparser";
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amlogic,ao-sysctrl = <&sysctrl_AO>;
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amlogic,canvas = <&canvas>;
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};
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