181973159SSean WangMediaTek SoC built-in Bluetooth Devices 281973159SSean Wang================================== 381973159SSean Wang 481973159SSean WangThis device is a serial attached device to BTIF device and thus it must be a 581973159SSean Wangchild node of the serial node with BTIF. The dt-bindings details for BTIF 681973159SSean Wangdevice can be known via Documentation/devicetree/bindings/serial/8250.txt. 781973159SSean Wang 881973159SSean WangRequired properties: 981973159SSean Wang 1081973159SSean Wang- compatible: Must be 1181973159SSean Wang "mediatek,mt7622-bluetooth": for MT7622 SoC 1281973159SSean Wang- clocks: Should be the clock specifiers corresponding to the entry in 1381973159SSean Wang clock-names property. 1481973159SSean Wang- clock-names: Should contain "ref" entries. 1581973159SSean Wang- power-domains: Phandle to the power domain that the device is part of 1681973159SSean Wang 1781973159SSean WangExample: 1881973159SSean Wang 1981973159SSean Wang btif: serial@1100c000 { 2081973159SSean Wang compatible = "mediatek,mt7622-btif", 2181973159SSean Wang "mediatek,mtk-btif"; 2281973159SSean Wang reg = <0 0x1100c000 0 0x1000>; 2381973159SSean Wang interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_LOW>; 2481973159SSean Wang clocks = <&pericfg CLK_PERI_BTIF_PD>; 2581973159SSean Wang clock-names = "main"; 2681973159SSean Wang reg-shift = <2>; 2781973159SSean Wang reg-io-width = <4>; 2881973159SSean Wang 2981973159SSean Wang bluetooth { 3081973159SSean Wang compatible = "mediatek,mt7622-bluetooth"; 3181973159SSean Wang power-domains = <&scpsys MT7622_POWER_DOMAIN_WB>; 3281973159SSean Wang clocks = <&clk25m>; 3381973159SSean Wang clock-names = "ref"; 3481973159SSean Wang }; 3581973159SSean Wang }; 36