Bindings/net/wireless/microchip,wilc1000.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/net/wireless/microchip,wilc1000.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip WILC wireless
   8
   9 maintainers:
  10   - Adham Abozaeid <adham.abozaeid@microchip.com>
  11   - Ajay Singh <ajay.kathat@microchip.com>
  12
  13 description:
  14   The wilc1000 chips can be connected via SPI or SDIO. This document
  15   describes the binding to connect wilc devices.
  16
  17 properties:
  18   compatible:
  19     const: microchip,wilc1000
  20
  21   reg: true
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   clocks:
  27     description: phandle to the clock connected on rtc clock line.
  28     maxItems: 1
  29
  30   clock-names:
  31     const: rtc
  32
  33   enable-gpios:
  34     maxItems: 1
  35     description: Used by wilc1000-spi to determine the GPIO line
  36       connected to the ENABLE line.  If specified, reset-gpios
  37       must be specified as well as otherwise the driver cannot
  38       ensure the timing required between asserting ENABLE
  39       and deasserting RESET.  This should be declared as an
  40       active-high signal.
  41
  42   reset-gpios:
  43     maxItems: 1
  44     description: Used by wilc1000-spi to determine the GPIO line
  45       connected to the RESET line.  This should be declared as an
  46       active-low signal.
  47
  48 required:
  49   - compatible
  50   - interrupts
  51
  52 allOf:
  53   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  54
  55 unevaluatedProperties: false
  56
  57 examples:
  58   - |
  59     #include <dt-bindings/gpio/gpio.h>
  60
  61     spi {
  62       #address-cells = <1>;
  63       #size-cells = <0>;
  64       wifi@0 {
  65         compatible = "microchip,wilc1000";
  66         spi-max-frequency = <48000000>;
  67         reg = <0>;
  68         interrupt-parent = <&pioC>;
  69         interrupts = <27 0>;
  70         clocks = <&pck1>;
  71         clock-names = "rtc";
  72         enable-gpios = <&pioA 5 GPIO_ACTIVE_HIGH>;
  73         reset-gpios = <&pioA 6 GPIO_ACTIVE_LOW>;
  74       };
  75     };
  76
  77   - |
  78     mmc {
  79       #address-cells = <1>;
  80       #size-cells = <0>;
  81       pinctrl-names = "default";
  82       pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
  83       non-removable;
  84       vmmc-supply = <&vcc_mmc1_reg>;
  85       vqmmc-supply = <&vcc_3v3_reg>;
  86       bus-width = <4>;
  87       wifi@0 {
  88         compatible = "microchip,wilc1000";
  89         reg = <0>;
  90         interrupt-parent = <&pioC>;
  91         interrupts = <27 0>;
  92         clocks = <&pck1>;
  93         clock-names = "rtc";
  94       };
  95     };