linux-kernel - [PATCH v2 1/2] dt-bindings: wireless: add ath11k pcie bindings

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Message-Id: <20230321094011.9759-2-johan+linaro@kernel.org>
Date:   Tue, 21 Mar 2023 10:40:10 +0100
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Kalle Valo <kvalo@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Steev Klimaszewski <steev@...i.org>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        ath11k@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH v2 1/2] dt-bindings: wireless: add ath11k pcie bindings

Add devicetree bindings for Qualcomm ath11k PCIe devices such as WCN6855
for which the calibration data variant may need to be described.

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 .../net/wireless/qcom,ath11k-pci.yaml         | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
new file mode 100644
index 000000000000..817f02a8b481
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2023 Linaro Limited
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/qcom,ath11k-pci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies ath11k wireless devices (PCIe)
+
+maintainers:
+  - Kalle Valo <kvalo@...nel.org>
+
+description: |
+  Qualcomm Technologies IEEE 802.11ax PCIe devices
+
+properties:
+  compatible:
+    enum:
+      - pci17cb,1103  # WCN6855
+
+  reg:
+    maxItems: 1
+
+  qcom,ath11k-calibration-variant:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: |
+      string to uniquely identify variant of the calibration data for designs
+      with colliding bus and device ids
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+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;
+
+            bus-range = <0x01 0xff>;
+
+            wifi@0 {
+                compatible = "pci17cb,1103";
+                reg = <0x10000 0x0 0x0 0x0 0x0>;
+
+                qcom,ath11k-calibration-variant = "LE_X13S";
+            };
+        };
+    };
-- 
2.39.2