This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

am437x GPIO问题



大家好,最近在调试一块am437x的板子,遇到如下问题:
我需要将这两个脚设置为GPIO,如下:
在设备树里将原来的配置注释掉,重新配置为GPIO:
/*
clkout2_pin: clkout2_pin {
pinctrl-single,pins = <
0x274 (PIN_OUTPUT_PULLUP | MUX_MODE3)
>;
};

clkout1_pin: clkout1_pin {
pinctrl-single,pins = <
0x270 (PIN_OUTPUT_PULLUP | MUX_MODE3)
>;
};
*/

0x270 ( PIN_INPUT_PULLUP | MUX_MODE9 )           /* (D24) xdma_event_intr0.gpio5[28] */
0x274 ( PIN_INPUT_PULLUP | MUX_MODE9 )           /* (C24) xdma_event_intr1.gpio5[29] */
但内核跑起来后,这两个脚仍然会输出时钟信号,是不是我还有哪里没有修改到呢?