arch/arm/boot/dts/overlays/cap1106-overlay.dts

   1 // Overlay for cap1106 from  Microchip Semiconductor
   2 // add CONFIG_KEYBOARD_CAP11XX=y
   3
   4 /dts-v1/;
   5 /plugin/;
   6
   7 / {
   8         compatible = "brcm,bcm2835";
   9         fragment@0 {
  10                 target = <&i2c1>;
  11                 __overlay__{
  12                         status = "okay";
  13                         cap1106: cap1106@28 {
  14                                 compatible = "microchip,cap1106";
  15                                 pinctrl-0 = <&cap1106_pins>;
  16                                 pinctrl-names = "default";
  17                                 interrupt-parent = <&gpio>;
  18                                 interrupts = <4 2>;
  19                                 reg = <0x28>;
  20                                 autorepeat;
  21                                 microchip,sensor-gain = <2>;
  22
  23                                 linux,keycodes = <2>,           /* KEY_1 */
  24                                                 <3>,            /* KEY_2 */
  25                                                 <4>,            /* KEY_3 */
  26                                                 <5>,            /* KEY_4 */
  27                                                 <6>,            /* KEY_5 */
  28                                                 <7>;            /* KEY_6 */
  29
  30                                 #address-cells = <1>;
  31                                 #size-cells = <0>;
  32                                 status = "okay";
  33
  34                         };
  35                 };
  36         };
  37         fragment@1 {
  38                 target = <&gpio>;
  39                 __overlay__ {
  40                         cap1106_pins: cap1106_pins {
  41                                 brcm,pins = <4>;
  42                                 brcm,function = <0>; /* in */
  43                                 brcm,pull = <0>; /* none */
  44                         };
  45                 };
  46         };
  47
  48         __overrides__ {
  49                 int_pin = <&cap1106>, "interrupts:0",
  50                           <&cap1106_pins>, "brcm,pins:0";
  51         };
  52 };