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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";
- };
-};