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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml b/Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml new file mode 100644 index 000000000..02b2d5ba0 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 BayLibre, SAS +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/amlogic/amlogic,canvas.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Amlogic Canvas Video Lookup Table + +maintainers: + - Neil Armstrong <narmstrong@baylibre.com> + - Maxime Jourdan <mjourdan@baylibre.com> + +description: | + A canvas is a collection of metadata that describes a pixel buffer. + Those metadata include: width, height, phyaddr, wrapping and block mode. + Starting with GXBB the endianness can also be described. + + Many IPs within Amlogic SoCs rely on canvas indexes to read/write pixel data + rather than use the phy addresses directly. For instance, this is the case for + the video decoders and the display. + + Amlogic SoCs have 256 canvas. + +properties: + compatible: + oneOf: + - items: + - enum: + - amlogic,meson8-canvas + - amlogic,meson8b-canvas + - amlogic,meson8m2-canvas + - const: amlogic,canvas + - const: amlogic,canvas # GXBB and newer SoCs + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + canvas: video-lut@48 { + compatible = "amlogic,canvas"; + reg = <0x48 0x14>; + }; + |