82 lines
2.5 KiB
YAML
82 lines
2.5 KiB
YAML
# 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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$id: http://devicetree.org/schemas/net/bluetooth/brcm,bcm4377-bluetooth.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom BCM4377 family PCIe Bluetooth Chips
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maintainers:
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- Sven Peter <sven@svenpeter.dev>
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description:
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This binding describes Broadcom BCM4377 family PCIe-attached bluetooth chips
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usually found in Apple machines. The Wi-Fi part of the chip is described in
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bindings/net/wireless/brcm,bcm4329-fmac.yaml.
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allOf:
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- $ref: bluetooth-controller.yaml#
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properties:
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compatible:
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enum:
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- pci14e4,5fa0 # BCM4377
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- pci14e4,5f69 # BCM4378
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- pci14e4,5f71 # BCM4387
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reg:
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maxItems: 1
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brcm,board-type:
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$ref: /schemas/types.yaml#/definitions/string
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description: Board type of the Bluetooth chip. This is used to decouple
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the overall system board from the Bluetooth module and used to construct
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firmware and calibration data filenames.
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On Apple platforms, this should be the Apple module-instance codename
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prefixed by "apple,", e.g. "apple,atlantisb".
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pattern: '^apple,.*'
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brcm,taurus-cal-blob:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description: A per-device calibration blob for the Bluetooth radio. This
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should be filled in by the bootloader from platform configuration
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data, if necessary, and will be uploaded to the device.
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This blob is used if the chip stepping of the Bluetooth module does not
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support beamforming.
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brcm,taurus-bf-cal-blob:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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description: A per-device calibration blob for the Bluetooth radio. This
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should be filled in by the bootloader from platform configuration
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data, if necessary, and will be uploaded to the device.
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This blob is used if the chip stepping of the Bluetooth module supports
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beamforming.
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local-bd-address: true
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required:
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- compatible
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- reg
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- local-bd-address
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- brcm,board-type
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additionalProperties: false
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examples:
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- |
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pcie@a0000000 {
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#address-cells = <3>;
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#size-cells = <2>;
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reg = <0xa0000000 0x1000000>;
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device_type = "pci";
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ranges = <0x43000000 0x6 0xa0000000 0xa0000000 0x0 0x20000000>;
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bluetooth@0,1 {
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compatible = "pci14e4,5f69";
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reg = <0x100 0x0 0x0 0x0 0x0>;
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brcm,board-type = "apple,honshu";
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/* To be filled by the bootloader */
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local-bd-address = [00 00 00 00 00 00];
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};
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};
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