From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../bindings/media/i2c/dongwoon,dw9768.yaml | 97 ++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml (limited to 'Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml') diff --git a/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml new file mode 100644 index 000000000..21864ab86 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (c) 2020 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/dongwoon,dw9768.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Dongwoon Anatech DW9768 Voice Coil Motor (VCM) Lens Device Tree Bindings + +maintainers: + - Dongchun Zhu + +description: |- + The Dongwoon DW9768 is a single 10-bit digital-to-analog (DAC) converter + with 100 mA output current sink capability. VCM current is controlled with + a linear mode driver. The DAC is controlled via a 2-wire (I2C-compatible) + serial interface that operates at clock rates up to 1MHz. This chip + integrates Advanced Actuator Control (AAC) technology and is intended for + driving voice coil lenses in camera modules. + +properties: + compatible: + enum: + - dongwoon,dw9768 # for DW9768 VCM + - giantec,gt9769 # for GT9769 VCM + + reg: + maxItems: 1 + + vin-supply: + description: + Definition of the regulator used as Digital I/O voltage supply. + + vdd-supply: + description: + Definition of the regulator used as Digital core voltage supply. + + dongwoon,aac-mode: + description: + Indication of AAC mode select. + $ref: "/schemas/types.yaml#/definitions/uint32" + enum: + - 1 # AAC2 mode(operation time# 0.48 x Tvib) + - 2 # AAC3 mode(operation time# 0.70 x Tvib) + - 3 # AAC4 mode(operation time# 0.75 x Tvib) + - 5 # AAC8 mode(operation time# 1.13 x Tvib) + default: 2 + + dongwoon,aac-timing: + description: + Number of AAC Timing count that controlled by one 6-bit period of + vibration register AACT[5:0], the unit of which is 100 us. + $ref: "/schemas/types.yaml#/definitions/uint32" + default: 0x20 + minimum: 0x00 + maximum: 0x3f + + dongwoon,clock-presc: + description: + Indication of VCM internal clock dividing rate select, as one multiple + factor to calculate VCM ring periodic time Tvib. + $ref: "/schemas/types.yaml#/definitions/uint32" + enum: + - 0 # Dividing Rate - 2 + - 1 # Dividing Rate - 1 + - 2 # Dividing Rate - 1/2 + - 3 # Dividing Rate - 1/4 + - 4 # Dividing Rate - 8 + - 5 # Dividing Rate - 4 + default: 1 + +required: + - compatible + - reg + - vin-supply + - vdd-supply + +additionalProperties: false + +examples: + - | + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + dw9768: camera-lens@c { + compatible = "dongwoon,dw9768"; + reg = <0x0c>; + + vin-supply = <&mt6358_vcamio_reg>; + vdd-supply = <&mt6358_vcama2_reg>; + dongwoon,aac-timing = <0x39>; + }; + }; + +... -- cgit v1.2.3