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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/renesas,ceu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas Capture Engine Unit (CEU) Bindings
maintainers:
- Jacopo Mondi <jacopo+renesas@jmondi.org>
- linux-renesas-soc@vger.kernel.org
description: |+
The Capture Engine Unit is the image capture interface found in the Renesas SH
Mobile, R-Mobile and RZ SoCs. The interface supports a single parallel input
with data bus width of 8 or 16 bits.
properties:
compatible:
enum:
- renesas,r7s72100-ceu
- renesas,r8a7740-ceu
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
power-domains:
maxItems: 1
port:
type: object
$ref: /schemas/graph.yaml#/properties/port
additionalProperties: false
properties:
endpoint:
type: object
additionalProperties: false
# Properties described in
# Documentation/devicetree/bindings/media/video-interfaces.txt
properties:
remote-endpoint: true
hsync-active: true
vsync-active: true
field-even-active: false
bus-width:
enum: [8, 16]
default: 8
required:
- remote-endpoint
required:
- endpoint
required:
- compatible
- reg
- interrupts
- clocks
- power-domains
- port
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/r7s72100-clock.h>
ceu: ceu@e8210000 {
reg = <0xe8210000 0x209c>;
compatible = "renesas,r7s72100-ceu";
interrupts = <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp6_clks R7S72100_CLK_CEU>;
power-domains = <&cpg_clocks>;
port {
ceu_in: endpoint {
remote-endpoint = <&ov7670_out>;
hsync-active = <1>;
vsync-active = <0>;
};
};
};
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