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116 lines
3.1 KiB
116 lines
3.1 KiB
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/iio/potentiometer/microchip,mcp4531.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Microchip mcp4531 and similar potentiometers. |
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maintainers: |
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- Peter Rosin <[email protected]> |
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description: | |
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Family of I2C digital potentiometer |
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Datasheets at: |
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* volatile https://ww1.microchip.com/downloads/en/DeviceDoc/22096b.pdf |
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* non-volatile https://ww1.microchip.com/downloads/en/DeviceDoc/22107B.pdf |
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Part numbers as follows: mcp4ABC-XXX where |
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A = 5 (1 wiper), 6 (2 wipers) |
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B = 3 (7-bit, volatile), 4 (7-bit, non-volatile), |
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5 (8-bit, volatile), 6 (8-bit, non-volatile), |
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C: 1 (potentiometer), 2 (rheostat) |
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XXX = 502 (5 kOhms), 103 (10 kOhms), 503 (50 kOhms), 104 (100 kOhms) |
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properties: |
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compatible: |
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enum: |
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# Ordering reflects part number + range, so 502 < 103 etc |
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- microchip,mcp4531-502 |
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- microchip,mcp4531-103 |
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- microchip,mcp4531-503 |
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- microchip,mcp4531-104 |
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- microchip,mcp4532-502 |
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- microchip,mcp4532-103 |
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- microchip,mcp4532-503 |
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- microchip,mcp4532-104 |
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- microchip,mcp4541-502 |
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- microchip,mcp4541-103 |
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- microchip,mcp4541-503 |
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- microchip,mcp4541-104 |
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- microchip,mcp4542-502 |
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- microchip,mcp4542-103 |
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- microchip,mcp4542-503 |
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- microchip,mcp4542-104 |
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- microchip,mcp4551-502 |
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- microchip,mcp4551-103 |
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- microchip,mcp4551-503 |
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- microchip,mcp4551-104 |
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- microchip,mcp4552-502 |
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- microchip,mcp4552-103 |
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- microchip,mcp4552-503 |
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- microchip,mcp4552-104 |
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- microchip,mcp4561-502 |
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- microchip,mcp4561-103 |
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- microchip,mcp4561-503 |
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- microchip,mcp4561-104 |
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- microchip,mcp4562-502 |
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- microchip,mcp4562-103 |
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- microchip,mcp4562-503 |
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- microchip,mcp4562-104 |
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- microchip,mcp4631-502 |
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- microchip,mcp4631-103 |
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- microchip,mcp4631-503 |
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- microchip,mcp4631-104 |
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- microchip,mcp4632-502 |
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- microchip,mcp4632-103 |
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- microchip,mcp4632-503 |
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- microchip,mcp4632-104 |
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- microchip,mcp4641-502 |
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- microchip,mcp4641-103 |
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- microchip,mcp4641-503 |
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- microchip,mcp4641-104 |
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- microchip,mcp4642-502 |
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- microchip,mcp4642-103 |
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- microchip,mcp4642-503 |
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- microchip,mcp4642-104 |
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- microchip,mcp4651-502 |
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- microchip,mcp4651-103 |
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- microchip,mcp4651-503 |
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- microchip,mcp4651-104 |
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- microchip,mcp4652-502 |
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- microchip,mcp4652-103 |
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- microchip,mcp4652-503 |
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- microchip,mcp4652-104 |
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- microchip,mcp4661-502 |
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- microchip,mcp4661-103 |
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- microchip,mcp4661-503 |
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- microchip,mcp4661-104 |
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- microchip,mcp4662-502 |
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- microchip,mcp4662-103 |
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- microchip,mcp4662-503 |
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- microchip,mcp4662-104 |
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reg: |
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maxItems: 1 |
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"#io-channel-cells": |
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const: 1 |
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required: |
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- compatible |
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- reg |
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additionalProperties: false |
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examples: |
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- | |
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i2c { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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dpot: dpot@28 { |
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compatible = "microchip,mcp4651-104"; |
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reg = <0x28>; |
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#io-channel-cells = <1>; |
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}; |
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}; |
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...
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