1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/net/wireless/ti,wlcore.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Texas Instruments Wilink 6/7/8 (wl12xx/wl18xx) Wireless LAN Controller 8 9maintainers: 10 - Tony Lindgren <tony@atomide.com> 11 12description: 13 The wl12xx/wl18xx chips can be connected via SPI or via SDIO. 14 Note that the *-clock-frequency properties assume internal clocks. In case 15 of external clocks, new bindings (for parsing the clock nodes) have to be 16 added. 17 18properties: 19 compatible: 20 enum: 21 - ti,wl1271 22 - ti,wl1273 23 - ti,wl1281 24 - ti,wl1283 25 - ti,wl1285 26 - ti,wl1801 27 - ti,wl1805 28 - ti,wl1807 29 - ti,wl1831 30 - ti,wl1835 31 - ti,wl1837 32 33 reg: 34 maxItems: 1 35 description: 36 This is required when connected via SPI, and optional when connected via 37 SDIO. 38 39 spi-max-frequency: true 40 41 interrupts: 42 minItems: 1 43 maxItems: 2 44 45 interrupt-names: 46 items: 47 - const: irq 48 - const: wakeup 49 50 vwlan-supply: 51 description: 52 Points to the node of the regulator that powers/enable the wl12xx/wl18xx 53 chip. This is required when connected via SPI. 54 55 56 ref-clock-frequency: 57 description: Reference clock frequency. 58 59 tcxo-clock-frequency: 60 description: TCXO clock frequency. 61 62 clock-xtal: 63 $ref: /schemas/types.yaml#/definitions/flag 64 description: Indicates that the clock is generated from XTAL. 65 66required: 67 - compatible 68 - interrupts 69 70if: 71 properties: 72 compatible: 73 contains: 74 enum: 75 - ti,wl1271 76 - ti,wl1273 77 - ti,wl1281 78 - ti,wl1283 79then: 80 required: 81 - ref-clock-frequency 82 83additionalProperties: false 84 85examples: 86 - | 87 #include <dt-bindings/interrupt-controller/irq.h> 88 89 // For wl12xx family: 90 spi1 { 91 #address-cells = <1>; 92 #size-cells = <0>; 93 94 wlcore1: wlcore@1 { 95 compatible = "ti,wl1271"; 96 reg = <1>; 97 spi-max-frequency = <48000000>; 98 interrupts = <8 IRQ_TYPE_LEVEL_HIGH>; 99 vwlan-supply = <&vwlan_fixed>; 100 clock-xtal; 101 ref-clock-frequency = <38400000>; 102 }; 103 }; 104 105 // For wl18xx family: 106 spi2 { 107 #address-cells = <1>; 108 #size-cells = <0>; 109 110 wlcore2: wlcore@0 { 111 compatible = "ti,wl1835"; 112 reg = <0>; 113 spi-max-frequency = <48000000>; 114 interrupts = <27 IRQ_TYPE_EDGE_RISING>; 115 vwlan-supply = <&vwlan_fixed>; 116 }; 117 }; 118 119 // SDIO example: 120 mmc3 { 121 vmmc-supply = <&wlan_en_reg>; 122 bus-width = <4>; 123 cap-power-off-card; 124 keep-power-in-suspend; 125 126 #address-cells = <1>; 127 #size-cells = <0>; 128 129 wlcore3: wlcore@2 { 130 compatible = "ti,wl1835"; 131 reg = <2>; 132 interrupts = <19 IRQ_TYPE_LEVEL_HIGH>; 133 }; 134 }; 135