Kernel-4.18.0-80.el8_esp,esp8089

Espressif ESP8089 wireless SDIO devices

This node provides properties for controlling the ESP8089 wireless device.
The node is expected to be specified as a child node to the SDIO controller
that connects the device to the system.

Required properties:

  • compatible : Should be “esp,esp8089”.

Optional properties:

  • esp,crystal-26M-en: Integer value for the crystal_26M_en firmware parameter

Example:

&mmc1 {
#address-cells = <1>;
#size-cells = <0>;

vmmc-supply = <&reg_dldo1>;
mmc-pwrseq = <&wifi_pwrseq>;
bus-width = <4>;
non-removable;

esp8089: sdio_wifi@1 {
    compatible = "esp,esp8089";
    reg = <1>;
    esp,crystal-26M-en = <2>;
};

};