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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)2%YAML 1.23---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 Bluetooth8 9maintainers:10 - Sean Wang <sean.wang@mediatek.com>11 12description:13 MT7921S is an SDIO-attached dual-radio WiFi+Bluetooth Combo chip; each14 function is its own SDIO function on a shared SDIO interface. The chip15 has two dedicated reset lines, one for each function core.16 This binding only covers the Bluetooth SDIO function, with one device17 node describing only this SDIO function.18 19allOf:20 - $ref: bluetooth-controller.yaml#21 22properties:23 compatible:24 enum:25 - mediatek,mt7921s-bluetooth26 27 reg:28 const: 229 30 reset-gpios:31 maxItems: 132 description:33 An active-low reset line for the Bluetooth core; on typical M.234 key E modules this is the W_DISABLE2# pin.35 36required:37 - compatible38 - reg39 40unevaluatedProperties: false41 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