xref: /freebsd/sys/contrib/device-tree/Bindings/net/wireless/microchip,wilc1000.yaml (revision b197d4b893974c9eb4d7b38704c6d5c486235d6f) 
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
7title: Microchip WILC wireless devicetree bindings
8
9maintainers:
10  - Adham Abozaeid <adham.abozaeid@microchip.com>
11  - Ajay Singh <ajay.kathat@microchip.com>
12
13description:
14  The wilc1000 chips can be connected via SPI or SDIO. This document
15  describes the binding to connect wilc devices.
16
17properties:
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
50required:
51  - compatible
52  - interrupts
53
54additionalProperties: false
55
56examples:
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    };
95