Documentation/devicetree/bindings/iio/potentiometer/mcp4131.txt

   1 * Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer
   2   driver
   3
   4 The node for this driver must be a child node of a SPI controller, hence
   5 all mandatory properties described in
   6
   7         Documentation/devicetree/bindings/spi/spi-bus.txt
   8
   9 must be specified.
  10
  11 Required 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
  79 Example:
  80 mcp4131: mcp4131@0 {
  81         compatible = "mcp4131-502";
  82         reg = <0>;
  83         spi-max-frequency = <500000>;
  84 };