Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml

   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
   7 title: Qualcomm Bluetooth Chips
   8
   9 maintainers:
  10   - Balakrishna Godavarthi <bgodavar@codeaurora.org>
  11   - Rocky Liao <rjliao@codeaurora.org>
  12
  13 description:
  14   This binding describes Qualcomm UART-attached bluetooth chips.
  15
  16 properties:
  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   vddbtcxmx-supply:
  66     description: VDD_BT_CXMX supply regulator handle
  67
  68   vddrfacmn-supply:
  69     description: VDD_RFA_CMN supply regulator handle
  70
  71   vddrfa0p8-supply:
  72     description: VDD_RFA_0P8 suppply regulator handle
  73
  74   vddrfa1p7-supply:
  75     description: VDD_RFA_1P7 supply regulator handle
  76
  77   vddrfa1p2-supply:
  78     description: VDD_RFA_1P2 supply regulator handle
  79
  80   vddrfa1p9-supply:
  81     description: VDD_RFA_1P9 supply regulator handle
  82
  83   vddrfa2p2-supply:
  84     description: VDD_RFA_2P2 supply regulator handle
  85
  86   vddasd-supply:
  87     description: VDD_ASD supply regulator handle
  88
  89   max-speed:
  90     description: see Documentation/devicetree/bindings/serial/serial.yaml
  91
  92   firmware-name:
  93     description: specify the name of nvm firmware to load
  94
  95   local-bd-address: true
  96
  97
  98 required:
  99   - compatible
 100
 101 additionalProperties: false
 102
 103 allOf:
 104   - $ref: bluetooth-controller.yaml#
 105   - if:
 106       properties:
 107         compatible:
 108           contains:
 109             enum:
 110               - qcom,qca2066-bt
 111               - qcom,qca6174-bt
 112     then:
 113       required:
 114         - enable-gpios
 115         - clocks
 116
 117   - if:
 118       properties:
 119         compatible:
 120           contains:
 121             enum:
 122               - qcom,wcn3988-bt
 123               - qcom,wcn3990-bt
 124               - qcom,wcn3991-bt
 125               - qcom,wcn3998-bt
 126     then:
 127       required:
 128         - vddio-supply
 129         - vddxo-supply
 130         - vddrf-supply
 131         - vddch0-supply
 132
 133   - if:
 134       properties:
 135         compatible:
 136           contains:
 137             enum:
 138               - qcom,wcn6750-bt
 139     then:
 140       required:
 141         - enable-gpios
 142         - swctrl-gpios
 143         - vddio-supply
 144         - vddaon-supply
 145         - vddbtcxmx-supply
 146         - vddrfacmn-supply
 147         - vddrfa0p8-supply
 148         - vddrfa1p7-supply
 149         - vddrfa1p2-supply
 150         - vddasd-supply
 151   - if:
 152       properties:
 153         compatible:
 154           contains:
 155             enum:
 156               - qcom,wcn6855-bt
 157     then:
 158       required:
 159         - enable-gpios
 160         - swctrl-gpios
 161         - vddio-supply
 162         - vddbtcxmx-supply
 163         - vddrfacmn-supply
 164         - vddrfa0p8-supply
 165         - vddrfa1p2-supply
 166         - vddrfa1p7-supply
 167   - if:
 168       properties:
 169         compatible:
 170           contains:
 171             enum:
 172               - qcom,wcn7850-bt
 173     then:
 174       required:
 175         - enable-gpios
 176         - swctrl-gpios
 177         - vddio-supply
 178         - vddaon-supply
 179         - vdddig-supply
 180         - vddrfa0p8-supply
 181         - vddrfa1p2-supply
 182         - vddrfa1p9-supply
 183
 184 examples:
 185   - |
 186     #include <dt-bindings/gpio/gpio.h>
 187     serial {
 188
 189         bluetooth {
 190             compatible = "qcom,qca6174-bt";
 191             enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
 192             clocks = <&divclk4>;
 193             firmware-name = "/*(DEBLOBBED)*/";
 194         };
 195     };
 196   - |
 197     serial {
 198
 199         bluetooth {
 200             compatible = "qcom,wcn3990-bt";
 201             vddio-supply = <&vreg_s4a_1p8>;
 202             vddxo-supply = <&vreg_l7a_1p8>;
 203             vddrf-supply = <&vreg_l17a_1p3>;
 204             vddch0-supply = <&vreg_l25a_3p3>;
 205             max-speed = <3200000>;
 206             firmware-name = "/*(DEBLOBBED)*/";
 207         };
 208     };
 209   - |
 210     serial {
 211
 212         bluetooth {
 213             compatible = "qcom,wcn6750-bt";
 214             pinctrl-names = "default";
 215             pinctrl-0 = <&bt_en_default>;
 216             enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
 217             swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;
 218             vddio-supply = <&vreg_l19b_1p8>;
 219             vddaon-supply = <&vreg_s7b_0p9>;
 220             vddbtcxmx-supply = <&vreg_s7b_0p9>;
 221             vddrfacmn-supply = <&vreg_s7b_0p9>;
 222             vddrfa0p8-supply = <&vreg_s7b_0p9>;
 223             vddrfa1p7-supply = <&vreg_s1b_1p8>;
 224             vddrfa1p2-supply = <&vreg_s8b_1p2>;
 225             vddrfa2p2-supply = <&vreg_s1c_2p2>;
 226             vddasd-supply = <&vreg_l11c_2p8>;
 227             max-speed = <3200000>;
 228             firmware-name = "/*(DEBLOBBED)*/";
 229         };
 230     };