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dt-bindings: net: bluetooth: Convert Qualcomm BT binding to DT schema
Converted Qualcomm Bluetooth binidings to DT schema. Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Venkata Lakshmi Narayana Gubba
Marcel Holtmann
parent
99fba8e3f1
commit
d88c6de4f8
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Qualcomm Bluetooth Chips
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---------------------
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This documents the binding structure and common properties for serial
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attached Qualcomm devices.
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Serial attached Qualcomm devices shall be a child node of the host UART
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device the slave device is attached to.
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Required properties:
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- compatible: should contain one of the following:
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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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Optional properties for compatible string qcom,qca6174-bt:
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- enable-gpios: gpio specifier used to enable chip
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- clocks: clock provided to the controller (SUSCLK_32KHZ)
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- firmware-name: specify the name of nvm firmware to load
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Optional properties for compatible string qcom,qca9377-bt:
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- max-speed: see Documentation/devicetree/bindings/serial/serial.yaml
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Required properties for compatible string qcom,wcn399x-bt:
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- vddio-supply: VDD_IO supply regulator handle.
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- vddxo-supply: VDD_XO supply regulator handle.
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- vddrf-supply: VDD_RF supply regulator handle.
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- vddch0-supply: VDD_CH0 supply regulator handle.
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Optional properties for compatible string qcom,wcn399x-bt:
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- max-speed: see Documentation/devicetree/bindings/serial/serial.yaml
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- firmware-name: specify the name of nvm firmware to load
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- clocks: clock provided to the controller
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Examples:
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serial@7570000 {
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label = "BT-UART";
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status = "okay";
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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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serial@898000 {
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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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clocks = <&rpmhcc RPMH_RF_CLK2>;
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};
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};
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112
Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
Normal file
112
Documentation/devicetree/bindings/net/qualcomm-bluetooth.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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enable-gpios:
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maxItems: 1
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description: gpio specifier used to enable chip
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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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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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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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