f329051273
Add dt-bindings document for Video Capture/Differentiation Engine (VCD) and Encoding Compression Engine (ECE) present on Nuvoton NPCM SoCs. Signed-off-by: Marvin Lin <milkfafa@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
73 lines
1.7 KiB
YAML
73 lines
1.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/nuvoton,npcm-vcd.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Nuvoton NPCM Video Capture/Differentiation Engine
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maintainers:
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- Joseph Liu <kwliu@nuvoton.com>
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- Marvin Lin <kflin@nuvoton.com>
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description: |
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Video Capture/Differentiation Engine (VCD) present on Nuvoton NPCM SoCs.
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properties:
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compatible:
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enum:
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- nuvoton,npcm750-vcd
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- nuvoton,npcm845-vcd
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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resets:
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maxItems: 1
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nuvoton,sysgcr:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: phandle to access GCR (Global Control Register) registers.
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nuvoton,sysgfxi:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: phandle to access GFXI (Graphics Core Information) registers.
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nuvoton,ece:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: phandle to access ECE (Encoding Compression Engine) registers.
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memory-region:
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maxItems: 1
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description:
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CMA pool to use for buffers allocation instead of the default CMA pool.
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required:
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- compatible
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- reg
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- interrupts
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- resets
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- nuvoton,sysgcr
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- nuvoton,sysgfxi
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- nuvoton,ece
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
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vcd: vcd@f0810000 {
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compatible = "nuvoton,npcm750-vcd";
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reg = <0xf0810000 0x10000>;
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interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
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resets = <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_VCD>;
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nuvoton,sysgcr = <&gcr>;
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nuvoton,sysgfxi = <&gfxi>;
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nuvoton,ece = <&ece>;
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};
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