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使用进行描述。

目录： hardware/broadcom/libbt

喇叭使能控制

配置IO口和高低 注意要拉低才响

spk-ctl-gpios = <&gpio0 RK_PC1 GPIO_ACTIVE_LOW>; //HIGH

LVDS显示屏

st7703_timing: timing0 {

clock-frequency = <66000000>;

hactive = <400>;//400

vactive = <1280>;//1280 dfh

hfront-porch = <40>;

hsync-len = <25>;//10 修改像素时钟

hback-porch = <40>;

vfront-porch = <22>;

vsync-len = <4>;

vback-porch = <11>;

hsync-active = <0>;

vsync-active = <0>;

de-active = <0>;

pixelclk-active = <0>;