1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/net/bluetooth/mediatek,mt7921s-bluetooth.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: MediaTek MT7921S Bluetooth 8 9maintainers: 10 - Sean Wang <[email protected]> 11 12description: 13 MT7921S is an SDIO-attached dual-radio WiFi+Bluetooth Combo chip; each 14 function is its own SDIO function on a shared SDIO interface. The chip 15 has two dedicated reset lines, one for each function core. 16 This binding only covers the Bluetooth SDIO function, with one device 17 node describing only this SDIO function. 18 19allOf: 20 - $ref: bluetooth-controller.yaml# 21 22properties: 23 compatible: 24 enum: 25 - mediatek,mt7921s-bluetooth 26 27 reg: 28 const: 2 29 30 reset-gpios: 31 maxItems: 1 32 description: 33 An active-low reset line for the Bluetooth core; on typical M.2 34 key E modules this is the W_DISABLE2# pin. 35 36required: 37 - compatible 38 - reg 39 40unevaluatedProperties: false 41 42examples: 43 - | 44 #include <dt-bindings/gpio/gpio.h> 45 46 mmc { 47 #address-cells = <1>; 48 #size-cells = <0>; 49 50 bluetooth@2 { 51 compatible = "mediatek,mt7921s-bluetooth"; 52 reg = <2>; 53 reset-gpios = <&pio 8 GPIO_ACTIVE_LOW>; 54 }; 55 }; 56