xref: /freebsd/sys/contrib/device-tree/Bindings/iio/potentiometer/mcp4131.txt (revision ec0ea6efa1ad229d75c394c1a9b9cac33af2b1d3) 
1* Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer
2  driver
3
4The node for this driver must be a child node of a SPI controller, hence
5all mandatory properties described in
6
7        Documentation/devicetree/bindings/spi/spi-bus.txt
8
9must be specified.
10
11Required properties:
12	- compatible:  	Must be one of the following, depending on the
13			model:
14			"microchip,mcp4131-502"
15			"microchip,mcp4131-103"
16			"microchip,mcp4131-503"
17			"microchip,mcp4131-104"
18			"microchip,mcp4132-502"
19			"microchip,mcp4132-103"
20			"microchip,mcp4132-503"
21			"microchip,mcp4132-104"
22			"microchip,mcp4141-502"
23			"microchip,mcp4141-103"
24			"microchip,mcp4141-503"
25			"microchip,mcp4141-104"
26			"microchip,mcp4142-502"
27			"microchip,mcp4142-103"
28			"microchip,mcp4142-503"
29			"microchip,mcp4142-104"
30			"microchip,mcp4151-502"
31			"microchip,mcp4151-103"
32			"microchip,mcp4151-503"
33			"microchip,mcp4151-104"
34			"microchip,mcp4152-502"
35			"microchip,mcp4152-103"
36			"microchip,mcp4152-503"
37			"microchip,mcp4152-104"
38			"microchip,mcp4161-502"
39			"microchip,mcp4161-103"
40			"microchip,mcp4161-503"
41			"microchip,mcp4161-104"
42			"microchip,mcp4162-502"
43			"microchip,mcp4162-103"
44			"microchip,mcp4162-503"
45			"microchip,mcp4162-104"
46			"microchip,mcp4231-502"
47			"microchip,mcp4231-103"
48			"microchip,mcp4231-503"
49			"microchip,mcp4231-104"
50			"microchip,mcp4232-502"
51			"microchip,mcp4232-103"
52			"microchip,mcp4232-503"
53			"microchip,mcp4232-104"
54			"microchip,mcp4241-502"
55			"microchip,mcp4241-103"
56			"microchip,mcp4241-503"
57			"microchip,mcp4241-104"
58			"microchip,mcp4242-502"
59			"microchip,mcp4242-103"
60			"microchip,mcp4242-503"
61			"microchip,mcp4242-104"
62			"microchip,mcp4251-502"
63			"microchip,mcp4251-103"
64			"microchip,mcp4251-503"
65			"microchip,mcp4251-104"
66			"microchip,mcp4252-502"
67			"microchip,mcp4252-103"
68			"microchip,mcp4252-503"
69			"microchip,mcp4252-104"
70			"microchip,mcp4261-502"
71			"microchip,mcp4261-103"
72			"microchip,mcp4261-503"
73			"microchip,mcp4261-104"
74			"microchip,mcp4262-502"
75			"microchip,mcp4262-103"
76			"microchip,mcp4262-503"
77			"microchip,mcp4262-104"
78
79Example:
80mcp4131: mcp4131@0 {
81	compatible = "mcp4131-502";
82	reg = <0>;
83	spi-max-frequency = <500000>;
84};
85