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-Qualcomm WCNSS Binding
-
-This binding describes the Qualcomm WCNSS hardware. It consists of control
-block and a BT, WiFi and FM radio block, all using SMD as command channels.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be: "qcom,wcnss",
-
-- qcom,smd-channel:
- Usage: required
- Value type: <string>
- Definition: standard SMD property specifying the SMD channel used for
- communication with the WiFi firmware.
- Should be "WCNSS_CTRL".
-
-- qcom,mmio:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: reference to a node specifying the wcnss "ccu" and "dxe"
- register blocks. The node must be compatible with one of
- the following:
- "qcom,riva",
- "qcom,pronto"
-
-- firmware-name:
- Usage: optional
- Value type: <string>
- Definition: specifies the relative firmware image path for the WLAN NV
- blob. Defaults to "wlan/prima/WCNSS_qcom_wlan_nv.bin" if
- not specified.
-
-= SUBNODES
-The subnodes of the wcnss node are optional and describe the individual blocks in
-the WCNSS.
-
-== Bluetooth
-The following properties are defined to the bluetooth node:
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be:
- "qcom,wcnss-bt"
-
-- local-bd-address:
- Usage: optional
- Value type: <u8 array>
- Definition: see Documentation/devicetree/bindings/net/bluetooth.txt
-
-== WiFi
-The following properties are defined to the WiFi node:
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be one of:
- "qcom,wcnss-wlan",
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: should specify the "rx" and "tx" interrupts
-
-- interrupt-names:
- Usage: required
- Value type: <stringlist>
- Definition: must contain "rx" and "tx"
-
-- qcom,smem-state:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: should reference the tx-enable and tx-rings-empty SMEM states
-
-- qcom,smem-state-names:
- Usage: required
- Value type: <stringlist>
- Definition: must contain "tx-enable" and "tx-rings-empty"
-
-= EXAMPLE
-The following example represents a SMD node, with one edge representing the
-"pronto" subsystem, with the wcnss device and its wcn3680 BT and WiFi blocks
-described; as found on the 8974 platform.
-
-smd {
- compatible = "qcom,smd";
-
- pronto-edge {
- interrupts = <0 142 1>;
-
- qcom,ipc = <&apcs 8 17>;
- qcom,smd-edge = <6>;
-
- wcnss {
- compatible = "qcom,wcnss";
- qcom,smd-channels = "WCNSS_CTRL";
-
- #address-cells = <1>;
- #size-cells = <1>;
-
- qcom,mmio = <&pronto>;
-
- bt {
- compatible = "qcom,wcnss-bt";
-
- /* BD address 00:11:22:33:44:55 */
- local-bd-address = [ 55 44 33 22 11 00 ];
- };
-
- wlan {
- compatible = "qcom,wcnss-wlan";
-
- interrupts = <0 145 0>, <0 146 0>;
- interrupt-names = "tx", "rx";
-
- qcom,smem-state = <&apps_smsm 10>, <&apps_smsm 9>;
- qcom,smem-state-names = "tx-enable", "tx-rings-empty";
- };
- };
- };
-};
-
-soc {
- pronto: pronto {
- compatible = "qcom,pronto";
-
- reg = <0xfb204000 0x2000>, <0xfb202000 0x1000>, <0xfb21b000 0x3000>;
- reg-names = "ccu", "dxe", "pmu";
- };
-};
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,wcnss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm WCNSS
+
+maintainers:
+ - Andy Gross <agross@kernel.org>
+ - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+description:
+ The Qualcomm WCNSS hardware consists of control block and a BT, WiFi and FM
+ radio block, all using SMD as command channels.
+
+properties:
+ compatible:
+ const: qcom,wcnss
+
+ firmware-name:
+ $ref: /schemas/types.yaml#/definitions/string
+ default: "wlan/prima/WCNSS_qcom_wlan_nv.bin"
+ description:
+ Relative firmware image path for the WLAN NV blob.
+
+ qcom,mmio:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: |
+ Reference to a node specifying the wcnss "ccu" and "dxe" register blocks.
+ The node must be compatible with one of the following::
+ - qcom,riva"
+ - qcom,pronto"
+
+ qcom,smd-channels:
+ $ref: /schemas/types.yaml#/definitions/string
+ const: WCNSS_CTRL
+ description:
+ Standard SMD property specifying the SMD channel used for communication
+ with the WiFi firmware.
+
+ bluetooth:
+ type: object
+ additionalProperties: false
+ properties:
+ compatible:
+ const: qcom,wcnss-bt
+
+ local-bd-address:
+ $ref: /schemas/types.yaml#/definitions/uint8-array
+ maxItems: 6
+ description:
+ See Documentation/devicetree/bindings/net/bluetooth.txt
+
+ required:
+ - compatible
+
+ wifi:
+ additionalProperties: false
+ type: object
+ properties:
+ compatible:
+ const: qcom,wcnss-wlan
+
+ interrupts:
+ maxItems: 2
+
+ interrupt-names:
+ items:
+ - const: tx
+ - const: rx
+
+ qcom,smem-states:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ maxItems: 2
+ description:
+ Should reference the tx-enable and tx-rings-empty SMEM states.
+
+ qcom,smem-state-names:
+ $ref: /schemas/types.yaml#/definitions/string-array
+ items:
+ - const: tx-enable
+ - const: tx-rings-empty
+ description:
+ Names of SMEM states.
+
+ required:
+ - compatible
+ - interrupts
+ - interrupt-names
+ - qcom,smem-states
+ - qcom,smem-state-names
+
+required:
+ - compatible
+ - qcom,mmio
+ - qcom,smd-channels
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ smd-edge {
+ interrupts = <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>;
+
+ qcom,ipc = <&apcs 8 17>;
+ qcom,smd-edge = <6>;
+ qcom,remote-pid = <4>;
+
+ label = "pronto";
+
+ wcnss {
+ compatible = "qcom,wcnss";
+ qcom,smd-channels = "WCNSS_CTRL";
+
+ qcom,mmio = <&pronto>;
+
+ bluetooth {
+ compatible = "qcom,wcnss-bt";
+ /* BD address 00:11:22:33:44:55 */
+ local-bd-address = [ 55 44 33 22 11 00 ];
+ };
+
+ wifi {
+ compatible = "qcom,wcnss-wlan";
+
+ interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "tx", "rx";
+
+ qcom,smem-states = <&apps_smsm 10>, <&apps_smsm 9>;
+ qcom,smem-state-names = "tx-enable", "tx-rings-empty";
+ };
+ };
+ };