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

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Message-Id: <20240705-btaml-v1-1-7f1538f98cef@amlogic.com>
Date: Fri, 05 Jul 2024 19:20:44 +0800
From: Yang Li via B4 Relay <devnull+yang.li.amlogic.com@...nel.org>
To: Marcel Holtmann <marcel@...tmann.org>, 
 Luiz Augusto von Dentz <luiz.dentz@...il.com>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Cc: linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, Yang Li <yang.li@...ogic.com>
Subject: [PATCH 1/4] dt-bindings: net: bluetooth: Add support for Amlogic
 Bluetooth

From: Yang Li <yang.li@...ogic.com>

Add binding document for Amlogic Bluetooth chipsets attached over UART.

Signed-off-by: Yang Li <yang.li@...ogic.com>
---
 .../bindings/net/bluetooth/amlogic,w155s2-bt.yaml  | 62 ++++++++++++++++++++++
 1 file changed, 62 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..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@...ogic.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";
+        };
+    };

-- 
2.42.0