184 lines
4.3 KiB
YAML
184 lines
4.3 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/qualcomm-bluetooth.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Bluetooth Chips
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maintainers:
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- Balakrishna Godavarthi <bgodavar@codeaurora.org>
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- Rocky Liao <rjliao@codeaurora.org>
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description:
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This binding describes Qualcomm UART-attached bluetooth chips.
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properties:
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compatible:
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enum:
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- qcom,qca6174-bt
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- qcom,qca9377-bt
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- qcom,wcn3990-bt
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- qcom,wcn3991-bt
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- qcom,wcn3998-bt
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- qcom,qca6390-bt
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- qcom,wcn6750-bt
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enable-gpios:
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maxItems: 1
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description: gpio specifier used to enable chip
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swctrl-gpios:
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maxItems: 1
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description: gpio specifier is used to find status
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of clock supply to SoC
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clocks:
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maxItems: 1
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description: clock provided to the controller (SUSCLK_32KHZ)
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vddio-supply:
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description: VDD_IO supply regulator handle
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vddxo-supply:
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description: VDD_XO supply regulator handle
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vddrf-supply:
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description: VDD_RF supply regulator handle
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vddch0-supply:
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description: VDD_CH0 supply regulator handle
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vddaon-supply:
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description: VDD_AON supply regulator handle
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vddbtcxmx-supply:
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description: VDD_BT_CXMX supply regulator handle
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vddrfacmn-supply:
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description: VDD_RFA_CMN supply regulator handle
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vddrfa0p8-supply:
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description: VDD_RFA_0P8 suppply regulator handle
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vddrfa1p7-supply:
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description: VDD_RFA_1P7 supply regulator handle
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vddrfa1p2-supply:
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description: VDD_RFA_1P2 supply regulator handle
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vddrfa2p2-supply:
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description: VDD_RFA_2P2 supply regulator handle
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vddasd-supply:
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description: VDD_ASD supply regulator handle
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max-speed:
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description: see Documentation/devicetree/bindings/serial/serial.yaml
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firmware-name:
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description: specify the name of nvm firmware to load
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local-bd-address:
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description: see Documentation/devicetree/bindings/net/bluetooth.txt
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required:
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- compatible
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additionalProperties: false
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- qcom,qca6174-bt
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then:
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required:
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- enable-gpios
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- clocks
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- if:
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properties:
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compatible:
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contains:
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enum:
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- qcom,wcn3990-bt
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- qcom,wcn3991-bt
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- qcom,wcn3998-bt
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then:
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required:
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- vddio-supply
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- vddxo-supply
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- vddrf-supply
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- vddch0-supply
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- if:
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properties:
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compatible:
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contains:
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enum:
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- qcom,wcn6750-bt
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then:
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required:
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- enable-gpios
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- swctrl-gpios
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- vddio-supply
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- vddaon-supply
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- vddbtcxmx-supply
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- vddrfacmn-supply
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- vddrfa0p8-supply
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- vddrfa1p7-supply
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- vddrfa1p2-supply
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- vddasd-supply
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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serial {
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bluetooth {
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compatible = "qcom,qca6174-bt";
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enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
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clocks = <&divclk4>;
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firmware-name = "nvm_00440302.bin";
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};
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};
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- |
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serial {
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bluetooth {
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compatible = "qcom,wcn3990-bt";
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vddio-supply = <&vreg_s4a_1p8>;
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vddxo-supply = <&vreg_l7a_1p8>;
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vddrf-supply = <&vreg_l17a_1p3>;
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vddch0-supply = <&vreg_l25a_3p3>;
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max-speed = <3200000>;
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firmware-name = "crnv21.bin";
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};
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};
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- |
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serial {
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bluetooth {
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compatible = "qcom,wcn6750-bt";
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pinctrl-names = "default";
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pinctrl-0 = <&bt_en_default>;
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enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
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swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;
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vddio-supply = <&vreg_l19b_1p8>;
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vddaon-supply = <&vreg_s7b_0p9>;
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vddbtcxmx-supply = <&vreg_s7b_0p9>;
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vddrfacmn-supply = <&vreg_s7b_0p9>;
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vddrfa0p8-supply = <&vreg_s7b_0p9>;
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vddrfa1p7-supply = <&vreg_s1b_1p8>;
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vddrfa1p2-supply = <&vreg_s8b_1p2>;
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vddrfa2p2-supply = <&vreg_s1c_2p2>;
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vddasd-supply = <&vreg_l11c_2p8>;
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max-speed = <3200000>;
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firmware-name = "msnv11.bin";
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};
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};
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