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FAQ0200754:AW9523B dtsi中如何配置P1_x为GPIO模式?

Sensor&呼吸灯 2023-02-09 Views: 79 Likes: 0

AW9523B驱动dtsi中GPIO的配置只有P0_x,如果要将P1_x配置为GPIO模式,直接将gpio_idx依次往上加即可。如配置P1_0为输出模式,默认输出电平为低电平。

gpio5{

aw9523b,gpio_idx = <8>; // The specific port identifier used, This is used here:P1_0

aw9523b,gpio_dir = <1>; //The specific port work in output(1) or input(0)

aw9523b,gpio_default_val = <0>;

};


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