4835| 2
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求助,imx6ull按键中断实验,申请中断失败怎么办 |
1金钱
最佳答案问题找到了。是设备树不对。
key {
#address-cells = ;
#size-cells = ;
compatible = "zheng-key";
pinctrl-names = "default";
pinctrl-0 = ;
key-gpio = ; /* key0 */
interrupt-parent= ;
interrupts = ; /* FALLING RISING*/
status = "okay";
};
interrupts 少写了一个s。写成了interrupt;
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发表于 2020-3-16 09:35:31
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