arch/arm/boot/dts/overlays/mcp342x-overlay.dts

   1 // Overlay for MCP3421-8 ADCs from Microchip Semiconductor
   2
   3 /dts-v1/;
   4 /plugin/;
   5
   6 / {
   7         compatible = "brcm,bcm2835";
   8
   9         fragment@0 {
  10                 target = <&i2c1>;
  11                 __overlay__ {
  12                         #address-cells = <1>;
  13                         #size-cells = <0>;
  14
  15                         status = "okay";
  16
  17                         mcp342x: mcp@68 {
  18                                 reg = <0x68>;
  19
  20                                 status = "okay";
  21                         };
  22                 };
  23         };
  24
  25         fragment@1 {
  26                 target = <&mcp342x>;
  27                 __dormant__ {
  28                         compatible = "microchip,mcp3421";
  29                 };
  30         };
  31
  32         fragment@2 {
  33                 target = <&mcp342x>;
  34                 __dormant__ {
  35                         compatible = "microchip,mcp3422";
  36                 };
  37         };
  38
  39         fragment@3 {
  40                 target = <&mcp342x>;
  41                 __dormant__ {
  42                         compatible = "microchip,mcp3423";
  43                 };
  44         };
  45
  46         fragment@4 {
  47                 target = <&mcp342x>;
  48                 __dormant__ {
  49                         compatible = "microchip,mcp3424";
  50                 };
  51         };
  52
  53         fragment@5 {
  54                 target = <&mcp342x>;
  55                 __dormant__ {
  56                         compatible = "microchip,mcp3425";
  57                 };
  58         };
  59
  60         fragment@6 {
  61                 target = <&mcp342x>;
  62                 __dormant__ {
  63                         compatible = "microchip,mcp3426";
  64                 };
  65         };
  66
  67         fragment@7 {
  68                 target = <&mcp342x>;
  69                 __dormant__ {
  70                         compatible = "microchip,mcp3427";
  71                 };
  72         };
  73
  74         fragment@8 {
  75                 target = <&mcp342x>;
  76                 __dormant__ {
  77                         compatible = "microchip,mcp3428";
  78                 };
  79         };
  80
  81         __overrides__ {
  82                 addr = <&mcp342x>,"reg:0";
  83                 mcp3421 = <0>,"=1";
  84                 mcp3422 = <0>,"=2";
  85                 mcp3423 = <0>,"=3";
  86                 mcp3424 = <0>,"=4";
  87                 mcp3425 = <0>,"=5";
  88                 mcp3426 = <0>,"=6";
  89                 mcp3427 = <0>,"=7";
  90                 mcp3428 = <0>,"=8";
  91         };
  92 };
  93