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media: dt-bindings: media: renesas,imr: Convert to json-schema 

Convert the Renesas R-Car Image Renderer Device Tree binding
documentation to json-schema.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2021-07-01 13:56:34 +02:00 committed by Mauro Carvalho Chehab
parent 5ba9c067b5
commit f2a7fc8cc8
2 changed files with 67 additions and 31 deletions
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31
Documentation/devicetree/bindings/media/renesas,imr.txt
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Renesas R-Car Image Renderer (Distortion Correction Engine)
-----------------------------------------------------------
The image renderer, or the distortion correction engine, is a drawing processor
with a simple instruction system capable of referencing video capture data or
data in an external memory as 2D texture data and performing texture mapping
and drawing with respect to any shape that is split into triangular objects.
Required properties:
- compatible: "renesas,<soctype>-imr-lx4", "renesas,imr-lx4" as a fallback for
the image renderer light extended 4 (IMR-LX4) found in the R-Car gen3 SoCs,
where the examples with <soctype> are:
- "renesas,r8a7795-imr-lx4" for R-Car H3,
- "renesas,r8a7796-imr-lx4" for R-Car M3-W.
- reg: offset and length of the register block;
- interrupts: single interrupt specifier;
- clocks: single clock phandle/specifier pair;
- power-domains: power domain phandle/specifier pair;
- resets: reset phandle/specifier pair.
Example:
imr-lx4@fe860000 {
compatible = "renesas,r8a7795-imr-lx4", "renesas,imr-lx4";
reg = <0 0xfe860000 0 0x2000>;
interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 823>;
power-domains = <&sysc R8A7795_PD_A3VC>;
resets = <&cpg 823>;
};

67
Documentation/devicetree/bindings/media/renesas,imr.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/renesas,imr.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car Image Renderer (Distortion Correction Engine)
maintainers:
- Sergei Shtylyov <sergei.shtylyov@gmail.com>
description: |
The image renderer, or the distortion correction engine, is a drawing
processor with a simple instruction system capable of referencing video
capture data or data in an external memory as 2D texture data and performing
texture mapping and drawing with respect to any shape that is split into
triangular objects.
The image renderer light extended 4 (IMR-LX4) is found in R-Car Gen3 SoCs.
properties:
compatible:
items:
- enum:
- renesas,r8a7795-imr-lx4 # R-Car H3
- renesas,r8a7796-imr-lx4 # R-Car M3-W
- const: renesas,imr-lx4 # R-Car Gen3
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
power-domains:
maxItems: 1
resets:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- power-domains
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a7795-sysc.h>
imr-lx4@fe860000 {
compatible = "renesas,r8a7795-imr-lx4", "renesas,imr-lx4";
reg = <0xfe860000 0x2000>;
interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 823>;
power-domains = <&sysc R8A7795_PD_A3VC>;
resets = <&cpg 823>;
};