linux-kernel - [PATCH ath-next 1/2] dt-bindings: net: wireless: ath11k-pci: describe firmware-name property

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Message-Id: <20250522013444.1301330-2-miaoqing.pan@oss.qualcomm.com>
Date: Thu, 22 May 2025 09:34:43 +0800
From: Miaoqing Pan <miaoqing.pan@....qualcomm.com>
To: jjohnson@...nel.org, johannes@...solutions.net, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org
Cc: ath11k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Miaoqing Pan <miaoqing.pan@....qualcomm.com>
Subject: [PATCH ath-next 1/2] dt-bindings: net: wireless: ath11k-pci: 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 WCN6855. 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: 'WCN6855/hw2.0' and 'WCN6855/hw2.0/nfa765'.
The former is the default firmware, suitable for most WiFi 6 STA
functions. The latter adds support for commercial-quality SAP and
optimizes power consumption for IoT applications.

Signed-off-by: Miaoqing Pan <miaoqing.pan@....qualcomm.com>
---
 .../devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
index 653b319fee88..e34d42a30192 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
@@ -35,6 +35,12 @@ properties:
       string to uniquely identify variant of the calibration data for designs
       with colliding bus and device ids
 
+  firmware-name:
+    maxItems: 1
+    description:
+      If present, a board or platform specific string used to lookup
+      usecase-specific firmware files for the device.
+
   vddrfacmn-supply:
     description: VDD_RFA_CMN supply regulator handle
 
-- 
2.34.1