microchip,wilc1000.yaml

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    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 devicetree bindings
    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   spi-max-frequency: true
   24 
   25   interrupts:
   26     maxItems: 1
   27 
   28   clocks:
   29     description: phandle to the clock connected on rtc clock line.
   30     maxItems: 1
   31 
   32   clock-names:
   33     const: rtc
   34 
   35   enable-gpios:
   36     maxItems: 1
   37     description: Used by wilc1000-spi to determine the GPIO line
   38       connected to the ENABLE line.  If specified, reset-gpios
   39       must be specified as well as otherwise the driver cannot
   40       ensure the timing required between asserting ENABLE
   41       and deasserting RESET.  This should be declared as an
   42       active-high signal.
   43 
   44   reset-gpios:
   45     maxItems: 1
   46     description: Used by wilc1000-spi to determine the GPIO line
   47       connected to the RESET line.  This should be declared as an
   48       active-low signal.
   49 
   50 required:
   51   - compatible
   52   - interrupts
   53 
   54 additionalProperties: false
   55 
   56 examples:
   57   - |
   58     #include <dt-bindings/gpio/gpio.h>
   59 
   60     spi {
   61       #address-cells = <1>;
   62       #size-cells = <0>;
   63       wifi@0 {
   64         compatible = "microchip,wilc1000";
   65         spi-max-frequency = <48000000>;
   66         reg = <0>;
   67         interrupt-parent = <&pioC>;
   68         interrupts = <27 0>;
   69         clocks = <&pck1>;
   70         clock-names = "rtc";
   71         enable-gpios = <&pioA 5 GPIO_ACTIVE_HIGH>;
   72         reset-gpios = <&pioA 6 GPIO_ACTIVE_LOW>;
   73       };
   74     };
   75 
   76   - |
   77     mmc {
   78       #address-cells = <1>;
   79       #size-cells = <0>;
   80       pinctrl-names = "default";
   81       pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
   82       non-removable;
   83       vmmc-supply = <&vcc_mmc1_reg>;
   84       vqmmc-supply = <&vcc_3v3_reg>;
   85       bus-width = <4>;
   86       wifi@0 {
   87         compatible = "microchip,wilc1000";
   88         reg = <0>;
   89         interrupt-parent = <&pioC>;
   90         interrupts = <27 0>;
   91         clocks = <&pck1>;
   92         clock-names = "rtc";
   93       };
   94     };

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