linux-kernel - [PATCHv3 3/5] dt-bindings: net: wireless: ath9k: add WIFI bindings

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Message-ID: <20250523063207.10040-4-rosenp@gmail.com>
Date: Thu, 22 May 2025 23:32:05 -0700
From: Rosen Penev <rosenp@...il.com>
To: linux-wireless@...r.kernel.org
Cc: Toke Høiland-Jørgensen <toke@...e.dk>,
	nbd@....name,
	Johannes Berg <johannes@...solutions.net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@...r.kernel.org (open list),
	linux-mips@...r.kernel.org (open list:MIPS)
Subject: [PATCHv3 3/5] dt-bindings: net: wireless: ath9k: add WIFI bindings

These are for the wireless chips that come built in with various
Atheros/QCA SoCs. dts wise, the difference between pcie and the wmac is

AHB > PCIE > WIFI
AHB > WIFI

These will be used to replace the platform_device code with OF in the
following patch.

Signed-off-by: Rosen Penev <rosenp@...il.com>
---
 .../bindings/net/wireless/qca,ath9k.yaml      | 20 ++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.yaml b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.yaml
index 0e5412cff2bc..af2d01d3df23 100644
--- a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.yaml
@@ -12,7 +12,7 @@ maintainers:
 description: |
   This node provides properties for configuring the ath9k wireless device.
   The node is expected to be specified as a child node of the PCI controller
-  to which the wireless chip is connected.
+  or AHB bus to which the wireless chip is connected.
 
 allOf:
   - $ref: ieee80211.yaml#
@@ -35,6 +35,12 @@ properties:
       - pci168c,0034  # AR9462
       - pci168c,0036  # AR9565
       - pci168c,0037  # AR1111 and AR9485
+      - qcom,ar9130-wifi
+      - qcom,ar9330-wifi
+      - qcom,ar9340-wifi
+      - qcom,qca9530-wifi
+      - qcom,qca9550-wifi
+      - qcom,qca9560-wifi
 
   reg:
     maxItems: 1
@@ -88,3 +94,15 @@ examples:
         nvmem-cell-names = "mac-address", "calibration";
       };
     };
+  - |
+    ahb {
+      compatible = "simple-bus";
+      ranges;
+
+      wifi@...c0000 {
+        compatible = "qca,ar9130-wifi";
+        reg = <0x180c0000 0x230000>;
+
+        interrupts = <2>;
+      };
+    };
-- 
2.49.0