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[1/4] dt-bindings: net: bluetooth: Add support for Amlogic Bluetooth

Message ID 20240705-btaml-v1-1-7f1538f98cef@amlogic.com
State New
Headers show
Series Add support for Amlogic HCI UART | expand

Commit Message

Yang Li via B4 Relay July 5, 2024, 11:20 a.m. UTC 
From: Yang Li <yang.li@amlogic.com>

Add binding document for Amlogic Bluetooth chipsets attached over UART.

Signed-off-by: Yang Li <yang.li@amlogic.com>
---
 .../bindings/net/bluetooth/amlogic,w155s2-bt.yaml  | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)
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Patch

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..d59e3206af62
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/bluetooth/amlogic,w155s2-bt.yaml
@@ -0,0 +1,62 @@ 
+# 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@amlogic.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: amlogic,w155s2-bt
+      - items:
+          - enum:
+              - amlogic,w265s1-bt
+              - amlogic,w265p1-bt
+              - amlogic,w265s2-bt
+          - const: amlogic,w155s2-bt
+
+  amlogic,wcn-pwrseq:
+    default: 0
+    description: specify the power sequence used to power on Bluetooth
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  amlogic,firmware:
+    description: specify the path of firmware bin to load
+    $ref: /schemas/types.yaml#/definitions/string-array
+
+  amlogic,antenna-number:
+    default: 1
+    description: number of antenna
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  amlogic,a2dp-sink-enable:
+    default: 0
+    description: enable sink mode with controller
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - compatible
+  - amlogic,wcn-pwrseq
+  - amlogic,firmware
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    serial {
+        bluetooth {
+            compatible = "amlogic,w155s2-bt";
+            amlogic,wcn-pwrseq = <1>;
+            amlogic,firmware = "amlogic/aml_w155s2_bt_uart.bin";
+        };
+    };