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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2014--2020 Intel Corporation
$id: http://devicetree.org/schemas/media/i2c/nokia,smia.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SMIA/SMIA++ sensor
maintainers:
- Sakari Ailus <sakari.ailus@linux.intel.com>
description:
SMIA (Standard Mobile Imaging Architecture) is an image sensor standard
defined jointly by Nokia and ST. SMIA++, defined by Nokia, is an extension of
that. These definitions are valid for both types of sensors.
More detailed documentation can be found in
Documentation/devicetree/bindings/media/video-interfaces.txt .
properties:
compatible:
const: nokia,smia
reg:
maxItems: 1
vana-supply:
description: Analogue voltage supply (VANA), typically 2,8 volts (sensor
dependent).
maxItems: 1
clocks:
description: External clock to the sensor.
maxItems: 1
clock-frequency:
description: Frequency of the external clock to the sensor in Hz.
reset-gpios:
description: Reset GPIO. Also commonly called XSHUTDOWN in hardware
documentation.
maxItems: 1
flash-leds:
description: Flash LED phandles. See ../video-interfaces.txt for details.
lens-focus:
description: Lens focus controller phandles. See ../video-interfaces.txt
for details.
rotation:
description: Rotation of the sensor. See ../video-interfaces.txt for
details.
enum: [ 0, 180 ]
port:
type: object
properties:
endpoint:
type: object
properties:
link-frequencies:
$ref: /schemas/types.yaml#/definitions/uint64-array
description: List of allowed data link frequencies.
data-lanes:
minItems: 1
maxItems: 8
required:
- link-frequencies
- data-lanes
required:
- compatible
- reg
- clock-frequency
- clocks
additionalProperties: false
examples:
- |
i2c2 {
#address-cells = <1>;
#size-cells = <0>;
clock-frequency = <400000>;
camera-sensor@10 {
compatible = "nokia,smia";
reg = <0x10>;
reset-gpios = <&gpio3 20 0>;
vana-supply = <&vaux3>;
clocks = <&omap3_isp 0>;
clock-frequency = <9600000>;
port {
smiapp_ep: endpoint {
data-lanes = <1 2>;
remote-endpoint = <&csi2a_ep>;
link-frequencies = /bits/ 64 <199200000 210000000
499200000>;
};
};
};
};
...
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