arch/arm/boot/dts/overlays/qca7000-uart0-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 = <&uart0>;
  12                 __overlay__ {
  13                         pinctrl-names = "default";
  14                         pinctrl-0 = <&uart0_pins>;
  15                         status = "okay";
  16
  17                         eth2: qca7000 {
  18                                 compatible = "qca,qca7000";
  19                                 current-speed = <115200>;
  20                         };
  21                 };
  22         };
  23
  24         fragment@1 {
  25                 target = <&gpio>;
  26                 __overlay__ {
  27                         uart0_pins: uart0_ovl_pins {
  28                                 brcm,pins = <14 15>;
  29                                 brcm,function = <4>; /* alt0 */
  30                                 brcm,pull = <0 2>;
  31                         };
  32                 };
  33         };
  34
  35         fragment@2 {
  36                 target-path = "/aliases";
  37                 __overlay__ {
  38                         serial0 = "/soc/serial@7e201000";
  39                         serial1 = "/soc/serial@7e215040";
  40                 };
  41         };
  42
  43         __overrides__ {
  44                 baudrate = <&eth2>, "current-speed:0";
  45         };
  46 };