arch/arm/boot/dts/overlays/qca7000-overlay.dts

   1 // Overlay for the Qualcomm Atheros QCA7000 on PLC Stamp micro EVK
   2 // Visit: https://in-tech-smartcharging.com/products/evaluation-tools/plc-stamp-micro-2-evaluation-board for details
   3
   4 /dts-v1/;
   5 /plugin/;
   6
   7 / {
   8         compatible = "brcm,bcm2835";
   9
  10         fragment@0 {
  11                 target = <&spidev0>;
  12                 __overlay__ {
  13                         status = "disabled";
  14                 };
  15         };
  16
  17         fragment@1 {
  18                 target = <&spi0>;
  19                 __overlay__ {
  20                         /* needed to avoid dtc warning */
  21                         #address-cells = <1>;
  22                         #size-cells = <0>;
  23
  24                         status = "okay";
  25
  26                         eth1: qca7000@0 {
  27                                 compatible = "qca,qca7000";
  28                                 reg = <0>; /* CE0 */
  29                                 pinctrl-names = "default";
  30                                 pinctrl-0 = <&eth1_pins>;
  31                                 interrupt-parent = <&gpio>;
  32                                 interrupts = <23 0x1>; /* rising edge */
  33                                 spi-max-frequency = <12000000>;
  34                                 status = "okay";
  35                         };
  36                 };
  37         };
  38
  39         fragment@2 {
  40                 target = <&gpio>;
  41                 __overlay__ {
  42                         eth1_pins: eth1_pins {
  43                                 brcm,pins = <23>;
  44                                 brcm,function = <0>; /* in */
  45                                 brcm,pull = <0>; /* none */
  46                         };
  47                 };
  48         };
  49
  50         __overrides__ {
  51                 int_pin = <&eth1>, "interrupts:0",
  52                           <&eth1_pins>, "brcm,pins:0";
  53                 speed   = <&eth1>, "spi-max-frequency:0";
  54         };
  55 };