1*4882a593SmuzhiyunQualcomm Bluetooth Chips 2*4882a593Smuzhiyun--------------------- 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunThis documents the binding structure and common properties for serial 5*4882a593Smuzhiyunattached Qualcomm devices. 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunSerial attached Qualcomm devices shall be a child node of the host UART 8*4882a593Smuzhiyundevice the slave device is attached to. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunRequired properties: 11*4882a593Smuzhiyun - compatible: should contain one of the following: 12*4882a593Smuzhiyun * "qcom,qca6174-bt" 13*4882a593Smuzhiyun * "qcom,qca9377-bt" 14*4882a593Smuzhiyun * "qcom,wcn3990-bt" 15*4882a593Smuzhiyun * "qcom,wcn3991-bt" 16*4882a593Smuzhiyun * "qcom,wcn3998-bt" 17*4882a593Smuzhiyun * "qcom,qca6390-bt" 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunOptional properties for compatible string qcom,qca6174-bt: 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun - enable-gpios: gpio specifier used to enable chip 22*4882a593Smuzhiyun - clocks: clock provided to the controller (SUSCLK_32KHZ) 23*4882a593Smuzhiyun - firmware-name: specify the name of nvm firmware to load 24*4882a593Smuzhiyun 25*4882a593SmuzhiyunOptional properties for compatible string qcom,qca9377-bt: 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunRequired properties for compatible string qcom,wcn399x-bt: 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun - vddio-supply: VDD_IO supply regulator handle. 32*4882a593Smuzhiyun - vddxo-supply: VDD_XO supply regulator handle. 33*4882a593Smuzhiyun - vddrf-supply: VDD_RF supply regulator handle. 34*4882a593Smuzhiyun - vddch0-supply: VDD_CH0 supply regulator handle. 35*4882a593Smuzhiyun 36*4882a593SmuzhiyunOptional properties for compatible string qcom,wcn399x-bt: 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml 39*4882a593Smuzhiyun - firmware-name: specify the name of nvm firmware to load 40*4882a593Smuzhiyun - clocks: clock provided to the controller 41*4882a593Smuzhiyun 42*4882a593SmuzhiyunExamples: 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunserial@7570000 { 45*4882a593Smuzhiyun label = "BT-UART"; 46*4882a593Smuzhiyun status = "okay"; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun bluetooth { 49*4882a593Smuzhiyun compatible = "qcom,qca6174-bt"; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>; 52*4882a593Smuzhiyun clocks = <&divclk4>; 53*4882a593Smuzhiyun firmware-name = "nvm_00440302.bin"; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun}; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyunserial@898000 { 58*4882a593Smuzhiyun bluetooth { 59*4882a593Smuzhiyun compatible = "qcom,wcn3990-bt"; 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun vddio-supply = <&vreg_s4a_1p8>; 62*4882a593Smuzhiyun vddxo-supply = <&vreg_l7a_1p8>; 63*4882a593Smuzhiyun vddrf-supply = <&vreg_l17a_1p3>; 64*4882a593Smuzhiyun vddch0-supply = <&vreg_l25a_3p3>; 65*4882a593Smuzhiyun max-speed = <3200000>; 66*4882a593Smuzhiyun firmware-name = "crnv21.bin"; 67*4882a593Smuzhiyun clocks = <&rpmhcc RPMH_RF_CLK2>; 68*4882a593Smuzhiyun }; 69*4882a593Smuzhiyun}; 70