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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/qualcomm-bluetooth.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Bluetooth Chips
maintainers:
- Balakrishna Godavarthi <bgodavar@codeaurora.org>
- Rocky Liao <rjliao@codeaurora.org>
description:
This binding describes Qualcomm UART-attached bluetooth chips.
properties:
compatible:
enum:
- qcom,qca6174-bt
- qcom,qca9377-bt
- qcom,wcn3990-bt
- qcom,wcn3991-bt
- qcom,wcn3998-bt
- qcom,qca6390-bt
enable-gpios:
maxItems: 1
description: gpio specifier used to enable chip
clocks:
maxItems: 1
description: clock provided to the controller (SUSCLK_32KHZ)
vddio-supply:
description: VDD_IO supply regulator handle
vddxo-supply:
description: VDD_XO supply regulator handle
vddrf-supply:
description: VDD_RF supply regulator handle
vddch0-supply:
description: VDD_CH0 supply regulator handle
max-speed:
description: see Documentation/devicetree/bindings/serial/serial.yaml
firmware-name:
description: specify the name of nvm firmware to load
local-bd-address:
description: see Documentation/devicetree/bindings/net/bluetooth.txt
required:
- compatible
additionalProperties: false
allOf:
- if:
properties:
compatible:
contains:
enum:
- qcom,qca6174-bt
then:
required:
- enable-gpios
- clocks
- if:
properties:
compatible:
contains:
enum:
- qcom,wcn3990-bt
- qcom,wcn3991-bt
- qcom,wcn3998-bt
then:
required:
- vddio-supply
- vddxo-supply
- vddrf-supply
- vddch0-supply
examples:
- |
#include <dt-bindings/gpio/gpio.h>
serial {
bluetooth {
compatible = "qcom,qca6174-bt";
enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
clocks = <&divclk4>;
firmware-name = "nvm_00440302.bin";
};
};
- |
serial {
bluetooth {
compatible = "qcom,wcn3990-bt";
vddio-supply = <&vreg_s4a_1p8>;
vddxo-supply = <&vreg_l7a_1p8>;
vddrf-supply = <&vreg_l17a_1p3>;
vddch0-supply = <&vreg_l25a_3p3>;
max-speed = <3200000>;
firmware-name = "crnv21.bin";
};
};
|
