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                 __dormant__ {
  12                         #address-cells = <1>;
  13                         #size-cells = <0>;
  14
  15                         status = "okay";
  16
  17                         mcp3421: mcp@68 {
  18                                 reg = <0x68>;
  19                                 compatible = "microchip,mcp3421";
  20
  21                                 status = "okay";
  22                         };
  23                 };
  24         };
  25
  26         fragment@1 {
  27                 target = <&i2c1>;
  28                 __dormant__ {
  29                         #address-cells = <1>;
  30                         #size-cells = <0>;
  31
  32                         status = "okay";
  33
  34                         mcp3422: mcp@68 {
  35                                 reg = <0x68>;
  36                                 compatible = "microchip,mcp3422";
  37
  38                                 status = "okay";
  39                         };
  40                 };
  41         };
  42
  43         fragment@2 {
  44                 target = <&i2c1>;
  45                 __dormant__ {
  46                         #address-cells = <1>;
  47                         #size-cells = <0>;
  48
  49                         status = "okay";
  50
  51                         mcp3423: mcp@68 {
  52                                 reg = <0x68>;
  53                                 compatible = "microchip,mcp3423";
  54
  55                                 status = "okay";
  56                         };
  57                 };
  58         };
  59
  60         fragment@3 {
  61                 target = <&i2c1>;
  62                 __dormant__ {
  63                         #address-cells = <1>;
  64                         #size-cells = <0>;
  65
  66                         status = "okay";
  67
  68                         mcp3424: mcp@68 {
  69                                 reg = <0x68>;
  70                                 compatible = "microchip,mcp3424";
  71
  72                                 status = "okay";
  73                         };
  74                 };
  75         };
  76
  77         fragment@4 {
  78                 target = <&i2c1>;
  79                 __dormant__ {
  80                         #address-cells = <1>;
  81                         #size-cells = <0>;
  82
  83                         status = "okay";
  84
  85                         mcp3425: mcp@68 {
  86                                 reg = <0x68>;
  87                                 compatible = "microchip,mcp3425","mcp3425";
  88
  89                                 status = "okay";
  90                         };
  91                 };
  92         };
  93
  94         fragment@5 {
  95                 target = <&i2c1>;
  96                 __dormant__ {
  97                         #address-cells = <1>;
  98                         #size-cells = <0>;
  99
 100                         status = "okay";
 101
 102                         mcp3426: mcp@68 {
 103                                 reg = <0x68>;
 104                                 compatible = "microchip,mcp3426";
 105
 106                                 status = "okay";
 107                         };
 108                 };
 109         };
 110
 111         fragment@6 {
 112                 target = <&i2c1>;
 113                 __dormant__ {
 114                         #address-cells = <1>;
 115                         #size-cells = <0>;
 116
 117                         status = "okay";
 118
 119                         mcp3427: mcp@68 {
 120                                 reg = <0x68>;
 121                                 compatible = "microchip,mcp3427";
 122
 123                                 status = "okay";
 124                         };
 125                 };
 126         };
 127
 128         fragment@7 {
 129                 target = <&i2c1>;
 130                 __dormant__ {
 131                         #address-cells = <1>;
 132                         #size-cells = <0>;
 133
 134                         status = "okay";
 135
 136                         mcp3428: mcp@68 {
 137                                 reg = <0x68>;
 138                                 compatible = "microchip,mcp3428";
 139
 140                                 status = "okay";
 141                         };
 142                 };
 143         };
 144
 145         __overrides__ {
 146                 addr = <&mcp3421>,"reg:0",
 147                        <&mcp3422>,"reg:0",
 148                        <&mcp3423>,"reg:0",
 149                        <&mcp3424>,"reg:0",
 150                        <&mcp3425>,"reg:0",
 151                        <&mcp3426>,"reg:0",
 152                        <&mcp3427>,"reg:0",
 153                        <&mcp3428>,"reg:0";
 154                 mcp3421 = <0>,"=0";
 155                 mcp3422 = <0>,"=1";
 156                 mcp3423 = <0>,"=2";
 157                 mcp3424 = <0>,"=3";
 158                 mcp3425 = <0>,"=4";
 159                 mcp3426 = <0>,"=5";
 160                 mcp3427 = <0>,"=6";
 161                 mcp3428 = <0>,"=7";
 162         };
 163 };
 164