Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |