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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-csi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A31 CMOS Sensor Interface (CSI) Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
properties:
compatible:
enum:
- allwinner,sun6i-a31-csi
- allwinner,sun8i-a83t-csi
- allwinner,sun8i-h3-csi
- allwinner,sun8i-v3s-csi
- allwinner,sun50i-a64-csi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: Bus Clock
- description: Module Clock
- description: DRAM Clock
clock-names:
items:
- const: bus
- const: mod
- const: ram
resets:
maxItems: 1
# See ./video-interfaces.txt for details
port:
type: object
$ref: /schemas/graph.yaml#/properties/port
properties:
endpoint:
type: object
properties:
remote-endpoint: true
bus-width:
enum: [ 8, 10, 12, 16 ]
pclk-sample: true
hsync-active: true
vsync-active: true
required:
- bus-width
- remote-endpoint
required:
- endpoint
additionalProperties: false
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/sun8i-v3s-ccu.h>
#include <dt-bindings/reset/sun8i-v3s-ccu.h>
csi1: csi@1cb4000 {
compatible = "allwinner,sun8i-v3s-csi";
reg = <0x01cb4000 0x1000>;
interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_CSI>,
<&ccu CLK_CSI1_SCLK>,
<&ccu CLK_DRAM_CSI>;
clock-names = "bus",
"mod",
"ram";
resets = <&ccu RST_BUS_CSI>;
port {
/* Parallel bus endpoint */
csi1_ep: endpoint {
remote-endpoint = <&adv7611_ep>;
bus-width = <16>;
/*
* If hsync-active/vsync-active are missing,
* embedded BT.656 sync is used.
*/
hsync-active = <0>; /* Active low */
vsync-active = <0>; /* Active low */
pclk-sample = <1>; /* Rising */
};
};
};
...
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