From: Yang Li <yang.li@xxxxxxxxxxx> Add binding document for Amlogic Bluetooth chipsets attached over UART. Signed-off-by: Yang Li <yang.li@xxxxxxxxxxx> --- .../bindings/net/bluetooth/amlogic,w155s2-bt.yaml | 66 ++++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/Documentation/devicetree/bindings/net/bluetooth/amlogic,w155s2-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/amlogic,w155s2-bt.yaml new file mode 100644 index 000000000000..2e433d5692ff --- /dev/null +++ b/Documentation/devicetree/bindings/net/bluetooth/amlogic,w155s2-bt.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2024 Amlogic, Inc. All rights reserved +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/bluetooth/amlogic,w155s2-bt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Bluetooth chips + +description: + This binding describes UART-attached Amlogic bluetooth chips. + +maintainers: + - Yang Li <yang.li@xxxxxxxxxxx> + +properties: + compatible: + oneOf: + - const: amlogic,w155s2-bt + - items: + - enum: + - amlogic,w265s1-bt + - amlogic,w265p1-bt + - amlogic,w265s2-bt + - const: amlogic,w155s2-bt + + bt-enable-gpios: + maxItems: 1 + description: gpio specifier used to enable BT + + bt-supply: + description: bluetooth chip 3.3V supply regulator handle + + clocks: + maxItems: 1 + description: clock provided to the controller (32.768KHz) + + antenna-number: + default: 1 + description: device supports up to two antennas + $ref: /schemas/types.yaml#/definitions/uint32 + + firmware-name: + description: specify the path of firmware bin to load + $ref: /schemas/types.yaml#/definitions/string-array + +required: + - compatible + - bt-enable-gpios + - bt-supply + - clocks + - firmware-name + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + bluetooth { + compatible = "amlogic,w155s2-bt"; + bt-enable-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; + bt-supply = <&wcn_3v3>; + clocks = <&extclk>; + firmware-name = "amlogic/aml_w155s2_bt_uart.bin"; + }; + -- 2.42.0
