linux-kernel - [RESEND ath-next 1/2] dt-bindings: net: wireless: ath12k: describe firmware-name property

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Message-ID: <20250424005703.2479907-2-quic_miaoqing@quicinc.com>
Date: Thu, 24 Apr 2025 08:57:02 +0800
From: Miaoqing Pan <quic_miaoqing@...cinc.com>
To: <jjohnson@...nel.org>, <johannes@...solutions.net>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <ath12k@...ts.infradead.org>, <linux-wireless@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Miaoqing Pan
	<quic_miaoqing@...cinc.com>
Subject: [RESEND ath-next 1/2] dt-bindings: net: wireless: ath12k: describe firmware-name property

Introduce 'firmware-name' property to allow end-users and/or integrators
to decide which usecase-specific firmware to run on the WCN7850 platform.
This is necessary due to resource limitations such as memory capacity and
CPU capability, or performance and power optimization for different
application scenarios.

Two firmwares are supported: 'WCN7850/hw2.0' and 'WCN7850/hw2.0/ncm825'.
The former is the default firmware, suitable for most WiFi 7 STA
functions. The latter adds support for commercial-quality SAP and
optimizes power consumption for IoT applications.

Signed-off-by: Miaoqing Pan <quic_miaoqing@...cinc.com>
---
 .../devicetree/bindings/net/wireless/qcom,ath12k.yaml       | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
index 9e557cb838c7..dc68dd59988f 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
@@ -21,6 +21,12 @@ properties:
   reg:
     maxItems: 1
 
+  firmware-name:
+    maxItems: 1
+    description:
+      If present, a board or platform specific string used to lookup
+      usecase-specific firmware files for the device.
+
   vddaon-supply:
     description: VDD_AON supply regulator handle
 
-- 
2.25.1