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Message-ID: <20241023060352.605019-3-quic_rajkbhag@quicinc.com>
Date: Wed, 23 Oct 2024 11:33:48 +0530
From: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>
To: <ath12k@...ts.infradead.org>
CC: <linux-wireless@...r.kernel.org>, Kalle Valo <kvalo@...nel.org>,
"Rob
Herring" <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
"Conor
Dooley" <conor+dt@...nel.org>,
Jeff Johnson <jjohnson@...nel.org>,
"Bjorn
Andersson" <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>
Subject: [RFC PATCH 2/6] dt-bindings: net: wireless: ath12k: describe WSI property for QCN9274
QCN9274 device has WSI support. WSI stands for WLAN Serial Interface.
It is used for the exchange of specific control information across
radios based on the doorbell mechanism. This WSI connection is
essential to exchange control information among these devices
Hence, describe WSI interface supported in QCN9274 with the following
properties:
- qcom,wsi-group-id: It represents the identifier assigned to the WSI
connection. All the ath12k devices connected to same WSI connection
have the same wsi-group-id.
- qcom,wsi-index: It represents the identifier assigned to ath12k
device in the order of the WSI connection.
- qcom,wsi-num-devices: Number of devices connected through WSI in
the same group ID.
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>
---
.../bindings/net/wireless/qcom,ath12k.yaml | 61 +++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
index ecf38af747f7..6c8f97865075 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
@@ -19,6 +19,7 @@ properties:
compatible:
enum:
- pci17cb,1107 # WCN7850
+ - pci17cb,1109 # QCN9274
reg:
maxItems: 1
@@ -50,6 +51,41 @@ properties:
vddpcie1p8-supply:
description: VDD_PCIE_1P8 supply regulator handle
+ wsi:
+ type: object
+ description:
+ The ath12k devices (QCN9274) feature WSI support. WSI stands for
+ WLAN Serial Interface. It is used for the exchange of specific
+ control information across radios based on the doorbell mechanism.
+ This WSI connection is essential to exchange control information
+ among these devices.
+
+ properties:
+ qcom,wsi-group-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ It represents the identifier assigned to the WSI connection. All
+ the ath12k devices connected to same WSI connection have the
+ same wsi-group-id.
+
+ qcom,wsi-index:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ It represents the identifier assigned to ath12k device in the
+ order of the WSI connection.
+
+ qcom,wsi-num-devices:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Number of devices connected through WSI in the same group ID.
+
+ required:
+ - qcom,wsi-group-id
+ - qcom,wsi-index
+ - qcom,wsi-num-devices
+
+ additionalProperties: false
+
required:
- compatible
- reg
@@ -108,3 +144,28 @@ examples:
};
};
};
+
+ - |
+ pcie {
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ pcie@0 {
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+
+ wifi@0 {
+ compatible = "pci17cb,1109";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+
+ wsi {
+ qcom,wsi-group-id = <0>;
+ qcom,wsi-index = <0>;
+ qcom,wsi-num-devices = <3>;
+ };
+ };
+ };
+ };
--
2.34.1
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