1
0
mirror of https://github.com/torvalds/linux.git synced 2024-12-17 00:21:32 +00:00
linux/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
Rob Herring 066a94e28a media: dt-bindings: media: Use graph and video-interfaces schemas
Now that we have graph and video-interfaces schemas, rework the media
related schemas to use them.

Cc: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-01-22 22:40:15 +01:00

130 lines
3.0 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/allwinner,sun4i-a10-csi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A10 CMOS Sensor Interface (CSI) Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
description: |-
The Allwinner A10 and later has a CMOS Sensor Interface to retrieve
frames from a parallel or BT656 sensor.
properties:
compatible:
oneOf:
- const: allwinner,sun4i-a10-csi1
- const: allwinner,sun7i-a20-csi0
- items:
- const: allwinner,sun7i-a20-csi1
- const: allwinner,sun4i-a10-csi1
- items:
- const: allwinner,sun8i-r40-csi0
- const: allwinner,sun7i-a20-csi0
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
oneOf:
- items:
- description: The CSI interface clock
- description: The CSI DRAM clock
- items:
- description: The CSI interface clock
- description: The CSI ISP clock
- description: The CSI DRAM clock
clock-names:
oneOf:
- items:
- const: bus
- const: ram
- items:
- const: bus
- const: isp
- const: ram
resets:
maxItems: 1
# FIXME: This should be made required eventually once every SoC will
# have the MBUS declared.
interconnects:
maxItems: 1
# FIXME: This should be made required eventually once every SoC will
# have the MBUS declared.
interconnect-names:
const: dma-mem
port:
$ref: /schemas/graph.yaml#/$defs/port-base
additionalProperties: false
properties:
endpoint:
$ref: video-interfaces.yaml#
unevaluatedProperties: false
properties:
bus-width:
enum: [8, 16]
data-active: true
hsync-active: true
pclk-sample: true
vsync-active: true
required:
- bus-width
- data-active
- hsync-active
- pclk-sample
- vsync-active
required:
- compatible
- reg
- interrupts
- clocks
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/sun7i-a20-ccu.h>
#include <dt-bindings/reset/sun4i-a10-ccu.h>
csi0: csi@1c09000 {
compatible = "allwinner,sun7i-a20-csi0";
reg = <0x01c09000 0x1000>;
interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>;
clock-names = "bus", "isp", "ram";
resets = <&ccu RST_CSI0>;
port {
csi_from_ov5640: endpoint {
remote-endpoint = <&ov5640_to_csi>;
bus-width = <8>;
hsync-active = <1>; /* Active high */
vsync-active = <0>; /* Active low */
data-active = <1>; /* Active high */
pclk-sample = <1>; /* Rising */
};
};
};
...