rtl8821cs wifi驱动调试 imx6

1，把驱动代码添加到内核模块编译。

kconfig：

source “drivers/net/wireless/rtl8821cs/Kconfig”

makefile：

obj-$(CONFIG_RTL8821CS) += rtl8821cs/

2，dts

&usdhc3 {

pinctrl-names = “default”;

pinctrl-0 = <&pinctrl_usdhc3>;

non-removable;

bus-width = <4>;

keep-power-in-suspend;

enable-sdio-wakeup;

no-1-8-v;

status = “okay”;

wifi-host;

};

3，dsi管脚直接拉高3.3V电源