xref: /freebsd/sys/contrib/device-tree/Bindings/iio/potentiometer/mcp4131.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot* Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer
2*c66ec88fSEmmanuel Vadot  driver
3*c66ec88fSEmmanuel Vadot
4*c66ec88fSEmmanuel VadotThe node for this driver must be a child node of a SPI controller, hence
5*c66ec88fSEmmanuel Vadotall mandatory properties described in
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel Vadot        Documentation/devicetree/bindings/spi/spi-bus.txt
8*c66ec88fSEmmanuel Vadot
9*c66ec88fSEmmanuel Vadotmust be specified.
10*c66ec88fSEmmanuel Vadot
11*c66ec88fSEmmanuel VadotRequired properties:
12*c66ec88fSEmmanuel Vadot	- compatible:  	Must be one of the following, depending on the
13*c66ec88fSEmmanuel Vadot			model:
14*c66ec88fSEmmanuel Vadot			"microchip,mcp4131-502"
15*c66ec88fSEmmanuel Vadot			"microchip,mcp4131-103"
16*c66ec88fSEmmanuel Vadot			"microchip,mcp4131-503"
17*c66ec88fSEmmanuel Vadot			"microchip,mcp4131-104"
18*c66ec88fSEmmanuel Vadot			"microchip,mcp4132-502"
19*c66ec88fSEmmanuel Vadot			"microchip,mcp4132-103"
20*c66ec88fSEmmanuel Vadot			"microchip,mcp4132-503"
21*c66ec88fSEmmanuel Vadot			"microchip,mcp4132-104"
22*c66ec88fSEmmanuel Vadot			"microchip,mcp4141-502"
23*c66ec88fSEmmanuel Vadot			"microchip,mcp4141-103"
24*c66ec88fSEmmanuel Vadot			"microchip,mcp4141-503"
25*c66ec88fSEmmanuel Vadot			"microchip,mcp4141-104"
26*c66ec88fSEmmanuel Vadot			"microchip,mcp4142-502"
27*c66ec88fSEmmanuel Vadot			"microchip,mcp4142-103"
28*c66ec88fSEmmanuel Vadot			"microchip,mcp4142-503"
29*c66ec88fSEmmanuel Vadot			"microchip,mcp4142-104"
30*c66ec88fSEmmanuel Vadot			"microchip,mcp4151-502"
31*c66ec88fSEmmanuel Vadot			"microchip,mcp4151-103"
32*c66ec88fSEmmanuel Vadot			"microchip,mcp4151-503"
33*c66ec88fSEmmanuel Vadot			"microchip,mcp4151-104"
34*c66ec88fSEmmanuel Vadot			"microchip,mcp4152-502"
35*c66ec88fSEmmanuel Vadot			"microchip,mcp4152-103"
36*c66ec88fSEmmanuel Vadot			"microchip,mcp4152-503"
37*c66ec88fSEmmanuel Vadot			"microchip,mcp4152-104"
38*c66ec88fSEmmanuel Vadot			"microchip,mcp4161-502"
39*c66ec88fSEmmanuel Vadot			"microchip,mcp4161-103"
40*c66ec88fSEmmanuel Vadot			"microchip,mcp4161-503"
41*c66ec88fSEmmanuel Vadot			"microchip,mcp4161-104"
42*c66ec88fSEmmanuel Vadot			"microchip,mcp4162-502"
43*c66ec88fSEmmanuel Vadot			"microchip,mcp4162-103"
44*c66ec88fSEmmanuel Vadot			"microchip,mcp4162-503"
45*c66ec88fSEmmanuel Vadot			"microchip,mcp4162-104"
46*c66ec88fSEmmanuel Vadot			"microchip,mcp4231-502"
47*c66ec88fSEmmanuel Vadot			"microchip,mcp4231-103"
48*c66ec88fSEmmanuel Vadot			"microchip,mcp4231-503"
49*c66ec88fSEmmanuel Vadot			"microchip,mcp4231-104"
50*c66ec88fSEmmanuel Vadot			"microchip,mcp4232-502"
51*c66ec88fSEmmanuel Vadot			"microchip,mcp4232-103"
52*c66ec88fSEmmanuel Vadot			"microchip,mcp4232-503"
53*c66ec88fSEmmanuel Vadot			"microchip,mcp4232-104"
54*c66ec88fSEmmanuel Vadot			"microchip,mcp4241-502"
55*c66ec88fSEmmanuel Vadot			"microchip,mcp4241-103"
56*c66ec88fSEmmanuel Vadot			"microchip,mcp4241-503"
57*c66ec88fSEmmanuel Vadot			"microchip,mcp4241-104"
58*c66ec88fSEmmanuel Vadot			"microchip,mcp4242-502"
59*c66ec88fSEmmanuel Vadot			"microchip,mcp4242-103"
60*c66ec88fSEmmanuel Vadot			"microchip,mcp4242-503"
61*c66ec88fSEmmanuel Vadot			"microchip,mcp4242-104"
62*c66ec88fSEmmanuel Vadot			"microchip,mcp4251-502"
63*c66ec88fSEmmanuel Vadot			"microchip,mcp4251-103"
64*c66ec88fSEmmanuel Vadot			"microchip,mcp4251-503"
65*c66ec88fSEmmanuel Vadot			"microchip,mcp4251-104"
66*c66ec88fSEmmanuel Vadot			"microchip,mcp4252-502"
67*c66ec88fSEmmanuel Vadot			"microchip,mcp4252-103"
68*c66ec88fSEmmanuel Vadot			"microchip,mcp4252-503"
69*c66ec88fSEmmanuel Vadot			"microchip,mcp4252-104"
70*c66ec88fSEmmanuel Vadot			"microchip,mcp4261-502"
71*c66ec88fSEmmanuel Vadot			"microchip,mcp4261-103"
72*c66ec88fSEmmanuel Vadot			"microchip,mcp4261-503"
73*c66ec88fSEmmanuel Vadot			"microchip,mcp4261-104"
74*c66ec88fSEmmanuel Vadot			"microchip,mcp4262-502"
75*c66ec88fSEmmanuel Vadot			"microchip,mcp4262-103"
76*c66ec88fSEmmanuel Vadot			"microchip,mcp4262-503"
77*c66ec88fSEmmanuel Vadot			"microchip,mcp4262-104"
78*c66ec88fSEmmanuel Vadot
79*c66ec88fSEmmanuel VadotExample:
80*c66ec88fSEmmanuel Vadotmcp4131: mcp4131@0 {
81*c66ec88fSEmmanuel Vadot	compatible = "mcp4131-502";
82*c66ec88fSEmmanuel Vadot	reg = <0>;
83*c66ec88fSEmmanuel Vadot	spi-max-frequency = <500000>;
84*c66ec88fSEmmanuel Vadot};
85