Re: [PATCH v2 1/3] dt-bindings: net: bluetooth: Add support for Amlogic Bluetooth

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On 2024/7/22 15:58, Krzysztof Kozlowski wrote:
On 22/07/2024 09:41, Yang Li wrote:
+    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
Keep it consistent - either descriptions are the last property or
somewhere else. Usually the last.

+    $ref: /schemas/types.yaml#/definitions/uint32
And what does it mean? What happens if BT uses antenna number 2, not 1?
What is connected to the other antenna? It really feels useless to say
which antenna is connected to hardware.
Sorry, the antenna description was incorrect, it should specify whether

Bluetooth and WiFi coexist. I will change it as below:

       aml,work-mode:
       type: boolean
       description: specifywhether Bluetooth and WiFi coexist.
So one device can be used on different boards - some without WiFi
antenna? But, why in the binding of bluetooth you describe whether there
is WiFi antenna?
Yes, it can be used on dirfferent boards. The device can operate in both
Please do not respond to only partial part of the comment. It is obvious
device can work on different boards. You do not have to confirm it. The
question was different - why do you need this property? I gave you
possible answer, but you skipped this and answered with obvious statement.

I'm sorry. I didn't explain it clearly.

Board design should be optimized for specific use cases: use the standalone mode for high-speed, stable, and Bluetooth-only applications; opt for the coexistence mode in cost-sensitive scenarios with lower performance demands. Once the hardware is determined, the user needs to configure the working mode of the firmware.


standalone mode and coexistence mode. typically running standalone mode.

Therefore, I would like to revise the description as follows:

aml,coexisting:
      type: boolean
      description: Enable coexistence mode, allowing shared antenna usage
with Wi-Fi.
Why this is not enabled always?

The board design determines whether to enable this property.

Well, I know I should clearly describe why this property is enabled here, so I modify it as follows:

aml,coexisting:
     type: boolean
     description: Enable co-existence mode on boards sharing antennas with Wi-Fi.


Best regards,
Krzysztof





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