1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/net/bluetooth/qualcomm-bluetooth.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Qualcomm Bluetooth Chips 8 9maintainers: 10 - Balakrishna Godavarthi <quic_bgodavar@quicinc.com> 11 - Rocky Liao <quic_rjliao@quicinc.com> 12 13description: 14 This binding describes Qualcomm UART-attached bluetooth chips. 15 16properties: 17 compatible: 18 enum: 19 - qcom,qca2066-bt 20 - qcom,qca6174-bt 21 - qcom,qca9377-bt 22 - qcom,wcn3988-bt 23 - qcom,wcn3990-bt 24 - qcom,wcn3991-bt 25 - qcom,wcn3998-bt 26 - qcom,qca6390-bt 27 - qcom,wcn6750-bt 28 - qcom,wcn6855-bt 29 - qcom,wcn7850-bt 30 31 enable-gpios: 32 maxItems: 1 33 description: gpio specifier used to enable chip 34 35 swctrl-gpios: 36 maxItems: 1 37 description: gpio specifier is used to find status 38 of clock supply to SoC 39 40 clocks: 41 maxItems: 1 42 description: clock provided to the controller (SUSCLK_32KHZ) 43 44 vddio-supply: 45 description: VDD_IO supply regulator handle 46 47 vddxo-supply: 48 description: VDD_XO supply regulator handle 49 50 vddrf-supply: 51 description: VDD_RF supply regulator handle 52 53 vddch0-supply: 54 description: VDD_CH0 supply regulator handle 55 56 vddch1-supply: 57 description: VDD_CH1 supply regulator handle 58 59 vddaon-supply: 60 description: VDD_AON supply regulator handle 61 62 vdddig-supply: 63 description: VDD_DIG supply regulator handle 64 65 vddbtcmx-supply: 66 description: VDD_BT_CMX supply regulator handle 67 68 vddbtcxmx-supply: 69 description: VDD_BT_CXMX supply regulator handle 70 71 vddrfacmn-supply: 72 description: VDD_RFA_CMN supply regulator handle 73 74 vddrfa0p8-supply: 75 description: VDD_RFA_0P8 suppply regulator handle 76 77 vddrfa1p7-supply: 78 description: VDD_RFA_1P7 supply regulator handle 79 80 vddrfa1p8-supply: 81 description: VDD_RFA_1P8 supply regulator handle 82 83 vddrfa1p2-supply: 84 description: VDD_RFA_1P2 supply regulator handle 85 86 vddrfa1p9-supply: 87 description: VDD_RFA_1P9 supply regulator handle 88 89 vddrfa2p2-supply: 90 description: VDD_RFA_2P2 supply regulator handle 91 92 vddasd-supply: 93 description: VDD_ASD supply regulator handle 94 95 vddwlcx-supply: 96 description: VDD_WLCX supply regulator handle 97 98 vddwlmx-supply: 99 description: VDD_WLMX supply regulator handle 100 101 max-speed: 102 description: see Documentation/devicetree/bindings/serial/serial.yaml 103 104 firmware-name: 105 description: specify the name of nvm firmware to load 106 107 local-bd-address: true 108 109 qcom,local-bd-address-broken: 110 type: boolean 111 description: 112 boot firmware is incorrectly passing the address in big-endian order 113 114required: 115 - compatible 116 117additionalProperties: false 118 119allOf: 120 - $ref: bluetooth-controller.yaml# 121 - if: 122 properties: 123 compatible: 124 contains: 125 enum: 126 - qcom,qca2066-bt 127 - qcom,qca6174-bt 128 then: 129 required: 130 - enable-gpios 131 - clocks 132 133 - if: 134 properties: 135 compatible: 136 contains: 137 enum: 138 - qcom,wcn3988-bt 139 - qcom,wcn3990-bt 140 - qcom,wcn3991-bt 141 - qcom,wcn3998-bt 142 then: 143 required: 144 - vddio-supply 145 - vddxo-supply 146 - vddrf-supply 147 - vddch0-supply 148 149 - if: 150 properties: 151 compatible: 152 contains: 153 enum: 154 - qcom,wcn6750-bt 155 then: 156 required: 157 - enable-gpios 158 - swctrl-gpios 159 - vddio-supply 160 - vddaon-supply 161 - vddbtcxmx-supply 162 - vddrfacmn-supply 163 - vddrfa0p8-supply 164 - vddrfa1p7-supply 165 - vddrfa1p2-supply 166 - vddasd-supply 167 - if: 168 properties: 169 compatible: 170 contains: 171 enum: 172 - qcom,wcn6855-bt 173 then: 174 required: 175 - enable-gpios 176 - swctrl-gpios 177 - vddio-supply 178 - vddbtcxmx-supply 179 - vddrfacmn-supply 180 - vddrfa0p8-supply 181 - vddrfa1p2-supply 182 - vddrfa1p7-supply 183 - if: 184 properties: 185 compatible: 186 contains: 187 enum: 188 - qcom,wcn7850-bt 189 then: 190 required: 191 - vddrfacmn-supply 192 - vddaon-supply 193 - vddwlcx-supply 194 - vddwlmx-supply 195 - vddrfa0p8-supply 196 - vddrfa1p2-supply 197 - vddrfa1p8-supply 198 - if: 199 properties: 200 compatible: 201 contains: 202 enum: 203 - qcom,qca6390-bt 204 then: 205 required: 206 - vddrfacmn-supply 207 - vddaon-supply 208 - vddbtcmx-supply 209 - vddrfa0p8-supply 210 - vddrfa1p2-supply 211 - vddrfa1p7-supply 212 213examples: 214 - | 215 #include <dt-bindings/gpio/gpio.h> 216 serial { 217 218 bluetooth { 219 compatible = "qcom,qca6174-bt"; 220 enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>; 221 clocks = <&divclk4>; 222 firmware-name = "nvm_00440302.bin"; 223 }; 224 }; 225 - | 226 serial { 227 228 bluetooth { 229 compatible = "qcom,wcn3990-bt"; 230 vddio-supply = <&vreg_s4a_1p8>; 231 vddxo-supply = <&vreg_l7a_1p8>; 232 vddrf-supply = <&vreg_l17a_1p3>; 233 vddch0-supply = <&vreg_l25a_3p3>; 234 max-speed = <3200000>; 235 firmware-name = "crnv21.bin"; 236 }; 237 }; 238 - | 239 serial { 240 241 bluetooth { 242 compatible = "qcom,wcn6750-bt"; 243 pinctrl-names = "default"; 244 pinctrl-0 = <&bt_en_default>; 245 enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>; 246 swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>; 247 vddio-supply = <&vreg_l19b_1p8>; 248 vddaon-supply = <&vreg_s7b_0p9>; 249 vddbtcxmx-supply = <&vreg_s7b_0p9>; 250 vddrfacmn-supply = <&vreg_s7b_0p9>; 251 vddrfa0p8-supply = <&vreg_s7b_0p9>; 252 vddrfa1p7-supply = <&vreg_s1b_1p8>; 253 vddrfa1p2-supply = <&vreg_s8b_1p2>; 254 vddrfa2p2-supply = <&vreg_s1c_2p2>; 255 vddasd-supply = <&vreg_l11c_2p8>; 256 max-speed = <3200000>; 257 firmware-name = "msnv11.bin"; 258 }; 259 }; 260