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