dt-bindings: net: wireless: describe the ath12k PCI module

Add device-tree bindings for the ATH12K module found in the WCN7850
package.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240605122106.23818-3-brgl@bgdev.pl

Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2024 Linaro Limited
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/qcom,ath12k.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies ath12k wireless devices (PCIe)
+
+maintainers:
+  - Jeff Johnson <quic_jjohnson@quicinc.com>
+  - Kalle Valo <kvalo@kernel.org>
+
+description:
+  Qualcomm Technologies IEEE 802.11be PCIe devices.
+
+properties:
+  compatible:
+    enum:
+      - pci17cb,1107  # WCN7850
+
+  reg:
+    maxItems: 1
+
+  vddaon-supply:
+    description: VDD_AON supply regulator handle
+
+  vddwlcx-supply:
+    description: VDD_WLCX supply regulator handle
+
+  vddwlmx-supply:
+    description: VDD_WLMX supply regulator handle
+
+  vddrfacmn-supply:
+    description: VDD_RFA_CMN supply regulator handle
+
+  vddrfa0p8-supply:
+    description: VDD_RFA_0P8 supply regulator handle
+
+  vddrfa1p2-supply:
+    description: VDD_RFA_1P2 supply regulator handle
+
+  vddrfa1p8-supply:
+    description: VDD_RFA_1P8 supply regulator handle
+
+  vddpcie0p9-supply:
+    description: VDD_PCIE_0P9 supply regulator handle
+
+  vddpcie1p8-supply:
+    description: VDD_PCIE_1P8 supply regulator handle
+
+required:
+  - compatible
+  - reg
+  - vddaon-supply
+  - vddwlcx-supply
+  - vddwlmx-supply
+  - vddrfacmn-supply
+  - vddrfa0p8-supply
+  - vddrfa1p2-supply
+  - vddrfa1p8-supply
+  - vddpcie0p9-supply
+  - vddpcie1p8-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/gpio/gpio.h>
+    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,1107";
+                reg = <0x10000 0x0 0x0 0x0 0x0>;
+
+                vddaon-supply = <&vreg_pmu_aon_0p59>;
+                vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+                vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
+                vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+                vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+                vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+                vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>;
+                vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>;
+                vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>;
+            };
+        };
+    };