{"id":51490,"date":"2024-12-03T16:32:51","date_gmt":"2024-12-03T08:32:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51490\/"},"modified":"2024-12-03T16:32:51","modified_gmt":"2024-12-03T08:32:51","slug":"linux%e8%ae%be%e5%a4%87%e6%a0%91%ef%bc%9a%e5%8a%9f%e8%83%bd%e4%b8%8e%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51490\/","title":{"rendered":"Linux\u8bbe\u5907\u6811\uff1a\u529f\u80fd\u4e0e\u5e94\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

Linux\u8bbe\u5907\u6811\uff1a\u529f\u80fd\u4e0e\u5e94\u7528<\/h1>\n

\u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300aLinux\u8bbe\u5907\u6811\uff1a\u529f\u80fd\u4e0e\u5e94\u7528\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n

\u7406\u89e3Linux DTS\u7684\u4f5c\u7528\u53ca\u7528\u6cd5<\/h2>\n

\u5728\u5d4c\u5165\u5f0fLinux\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0c\u8bbe\u5907\u6811\uff08Device Tree\uff0c\u7b80\u79f0DTS\uff09\u662f\u4e00\u79cd\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u53ca\u5176\u5728\u7cfb\u7edf\u4e2d\u7684\u8fde\u63a5\u5173\u7cfb\u548c\u5c5e\u6027\u7684\u6570\u636e\u7ed3\u6784\u3002\u8bbe\u5907\u6811\u4f7f\u5f97Linux\u5185\u6838\u80fd\u591f\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u4e0a\u7075\u6d3b\u5730\u8fd0\u884c\uff0c\u800c\u65e0\u9700\u5bf9\u5185\u6838\u8fdb\u884c\u4fee\u6539\u3002\u5728\u672c\u6587\u4e2d\uff0c\u5c06\u4ecb\u7ecdLinux DTS\u7684\u4f5c\u7528\u53ca\u7528\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n

1. \u8bbe\u5907\u6811\u7684\u4f5c\u7528<\/h3>\n

\u8bbe\u5907\u6811\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u786c\u4ef6\u7684\u7c7b\u578b\u3001\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u3001GPIO\u5f15\u811a\u7b49\uff0c\u5e76\u89c4\u5b9a\u4e86\u8fd9\u4e9b\u786c\u4ef6\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\u5173\u7cfb\u3002\u901a\u8fc7\u8bbe\u5907\u6811\uff0cLinux\u5185\u6838\u53ef\u4ee5\u5728\u542f\u52a8\u8fc7\u7a0b\u4e2d\u52a8\u6001\u5730\u8bc6\u522b\u786c\u4ef6\u8bbe\u5907\u53ca\u5176\u5c5e\u6027\uff0c\u4ece\u800c\u6b63\u786e\u5730\u914d\u7f6e\u786c\u4ef6\u8d44\u6e90\uff0c\u4f7f\u5f97\u5185\u6838\u80fd\u591f\u987a\u5229\u5730\u4e0e\u786c\u4ef6\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

\u53e6\u5916\uff0c\u8bbe\u5907\u6811\u8fd8\u53ef\u4ee5\u901a\u8fc7\u63cf\u8ff0\u8bbe\u5907\u6811\u7247\u6bb5\uff08*.dtsi\u6587\u4ef6\uff09\u6765\u5b9e\u73b0\u786c\u4ef6\u6a21\u5757\u7684\u590d\u7528\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002\u901a\u8fc7\u7ec4\u5408\u4e0d\u540c\u7684\u8bbe\u5907\u6811\u7247\u6bb5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u914d\u7f6e\u786c\u4ef6\u8d44\u6e90\uff0c\u65b9\u4fbf\u5b9a\u5236\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u3002<\/p>\n

2. \u8bbe\u5907\u6811\u7684\u76f8\u5173\u6982\u5ff5<\/h3>\n

\u5728\u4f7f\u7528\u8bbe\u5907\u6811\u65f6\uff0c\u9700\u8981\u4e86\u89e3\u4ee5\u4e0b\u51e0\u4e2a\u91cd\u8981\u6982\u5ff5\uff1a<\/p>\n

    \n
  • \u8bbe\u5907\u6811\u6e90\u6587\u4ef6\uff08DTS\uff09\uff1a<\/strong> \u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u662f\u7528\u6765\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u4fe1\u606f\u7684\u6587\u672c\u6587\u4ef6\uff0c\u901a\u5e38\u4ee5.dts\u4e3a\u6269\u5c55\u540d\u3002\u5728Linux\u5185\u6838\u7f16\u8bd1\u65f6\uff0c\u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u4f1a\u88ab\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u7684\u8bbe\u5907\u6811\u6587\u4ef6\uff08*.dtb\uff09\uff0c\u4f9b\u5185\u6838\u4f7f\u7528\u3002<\/li>\n
  • \u8bbe\u5907\u6811\u8282\u70b9\uff1a<\/strong> \u8bbe\u5907\u6811\u4e2d\u7684\u6bcf\u4e2a\u786c\u4ef6\u8bbe\u5907\u6216\u8282\u70b9\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u8bbe\u5907\u6811\u8282\u70b9\u3002\u6bcf\u4e2a\u8282\u70b9\u5305\u542b\u4e86\u8be5\u786c\u4ef6\u8bbe\u5907\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5982\u8bbe\u5907\u7c7b\u578b\u3001\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u3001\u5bc4\u5b58\u5668\u5730\u5740\u7b49\u3002<\/li>\n
  • \u8bbe\u5907\u6811\u7ed1\u5b9a\uff1a<\/strong> \u8bbe\u5907\u6811\u7ed1\u5b9a\u6307\u7684\u662f\u5c06\u8bbe\u5907\u6811\u8282\u70b9\u4e0e\u76f8\u5e94\u7684\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u8fdb\u884c\u7ed1\u5b9a\u7684\u8fc7\u7a0b\u3002\u8bbe\u5907\u6811\u4e2d\u7684\u8282\u70b9\u4f1a\u901a\u8fc7\u5339\u914d\u8bbe\u5907\u6811\u4e0e\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u6765\u52a0\u8f7d\u76f8\u5e94\u7684\u9a71\u52a8\u3002<\/li>\n<\/ul>\n

    3. \u8bbe\u5907\u6811\u7684\u57fa\u672c\u7ed3\u6784<\/h3>\n

    \u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u7684\u57fa\u672c\u7ed3\u6784\u7531\u8282\u70b9\uff08node\uff09\u548c\u5c5e\u6027\uff08property\uff09\u7ec4\u6210\u3002\u8282\u70b9\u7528\u6765\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\uff0c\u5c5e\u6027\u7528\u6765\u63cf\u8ff0\u8282\u70b9\u7684\u5c5e\u6027\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u793a\u4f8b\uff1a<\/p>\n

    \/dts-v1\/;\n\n#include <dt-bindings\/gpio\/gpio.h>\n\n\/ {\n    compatible = \"myboard, mydevice\";\n    \n    mydevice {\n        compatible = \"mydevice\";\n        reg = <0x100000 0x1000>;\n        interrupts = <0 2>;\n        gpio = <&gpio1 10 GPIO_ACTIVE_LOW>;\n    };\n};<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cmydevice<\/code>\u8868\u793a\u4e00\u4e2a\u786c\u4ef6\u8bbe\u5907\u7684\u8282\u70b9\uff0c\u5305\u542b\u4e86\u8bbe\u5907\u7684compatible\u5c5e\u6027\u3001\u5bc4\u5b58\u5668\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u4ee5\u53caGPIO\u5f15\u811a\u7684\u4fe1\u606f\u3002<\/p>\n
    4. \u8bbe\u5907\u6811\u7684\u4f7f\u7528\u793a\u4f8b<\/h3>\n
    \u4e0b\u9762\u5c06\u4ee5\u4e00\u4e2aLED\u9a71\u52a8\u7a0b\u5e8f\u4e3a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u8bbe\u5907\u6811\u6765\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\uff0c\u5e76\u5c06\u5176\u4e0e\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u8fdb\u884c\u7ed1\u5b9a\u3002<\/p>\n
    4.1 \u7f16\u5199\u8bbe\u5907\u6811\u6e90\u6587\u4ef6<\/h4>\n
    \u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2aLED\u8bbe\u5907\u6811\u6e90\u6587\u4ef6led.dts<\/code>\uff0c\u5e76\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n
    \/dts-v1\/;\n\n\/ {\n    compatible = \"myboard, myled\";\n    \n    myled {\n        compatible = \"myled\";\n        reg = <0x200000 0x1000>;\n        gpio = <&gpio1 20 GPIO_ACTIVE_LOW>;\n    };\n};<\/pre>\n
    4.2 \u7f16\u5199LED\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f<\/h4>\n
    \u63a5\u7740\uff0c\u7f16\u5199LED\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8fled_driver.c<\/code>\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    #include <linux\/module.h>\n#include <linux\/platform_device.h>\n\nstatic struct platform_device led_device = {\n    .name = \"myled\",\n    .id = -1,\n};\n\nstatic int __init led_driver_init(void)\n{\n    platform_device_register(&led_device);\n    pr_info(\"LED driver initialized\n\");\n    return 0;\n}\n\nstatic void __exit led_driver_exit(void)\n{\n    platform_device_unregister(&led_device);\n    pr_info(\"LED driver exited\n\");\n}\n\nmodule_init(led_driver_init);\nmodule_exit(led_driver_exit);\n\nMODULE_LICENSE(\"GPL\");\nMODULE_AUTHOR(\"Author Name\");\nMODULE_DESCRIPTION(\"LED Driver\");<\/pre>\n
    4.3 \u4fee\u6539Makefile\u5e76\u7f16\u8bd1\u5185\u6838<\/h4>\n
    \u5728\u9a71\u52a8\u7a0b\u5e8f\u7684Makefile\u4e2d\u6dfb\u52a0\u7f16\u8bd1\u89c4\u5219\uff0c\u5e76\u7f16\u8bd1\u5185\u6838\u751f\u6210\u8bbe\u5907\u6811\u4e8c\u8fdb\u5236\u6587\u4ef6led.dtb<\/code>\uff1a<\/p>\n
    obj-m += led_driver.o\n\nall:\n    make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -C \/path\/to\/kernel M=$(PWD) modules\n    dtc -I dts -O dtb -o led.dtb led.dts<\/pre>\n
    4.4 \u52a0\u8f7d\u8bbe\u5907\u6811\u548c\u9a71\u52a8\u7a0b\u5e8f<\/h4>\n
    \u5728Linux\u542f\u52a8\u8fc7\u7a0b\u4e2d\uff0c\u52a0\u8f7d\u8bbe\u5907\u6811\u6587\u4ef6led.dtb<\/code>\uff1a<\/p>\n
    # cp led.dtb \/boot\/\n# echo \"dtb=led.dtb\" >> \/boot\/uEnv.txt<\/pre>\n
    \u7136\u540e\u52a0\u8f7dLED\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\uff1a<\/p>\n
    # insmod led_driver.ko<\/pre>\n
    \u7ed3\u8bed<\/h3>\n
    \u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u8bbe\u5907\u6811\u5728Linux\u5185\u6838\u4e2d\u7684\u4f5c\u7528\u53ca\u7528\u6cd5\u3002\u8bbe\u5907\u6811\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u7684\u786c\u4ef6\u63cf\u8ff0\u65b9\u5f0f\uff0c\u4f7f\u5f97Linux\u5185\u6838\u80fd\u591f\u9002\u5e94\u4e0d\u540c\u786c\u4ef6\u5e73\u53f0\u7684\u9700\u6c42\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5408\u7406\u4f7f\u7528\u8bbe\u5907\u6811\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u5f00\u53d1\u6d41\u7a0b\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n
    \n
    <\/dt>\n
    \n   \u63a2\u8ba8Linux\u7cfb\u7edf\u91cd\u542f\u64cd\u4f5c\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    Linux\u8bbe\u5907\u6811\uff1a\u529f\u80fd\u4e0e\u5e94\u7528 \u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300aLinux\u8bbe\u5907\u6811\uff1a\u529f\u80fd\u4e0e\u5e94\u7528\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01 \u7406\u89e3Linux DTS\u7684\u4f5c\u7528\u53ca\u7528\u6cd5 \u5728\u5d4c\u5165\u5f0fLinux\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0c\u8bbe\u5907\u6811\uff08Device Tree\uff0c\u7b80\u79f0DTS\uff09\u662f\u4e00\u79cd\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u53ca\u5176\u5728\u7cfb\u7edf\u4e2d\u7684\u8fde\u63a5\u5173\u7cfb\u548c\u5c5e\u6027\u7684\u6570\u636e\u7ed3\u6784\u3002\u8bbe\u5907\u6811\u4f7f\u5f97Linux\u5185\u6838\u80fd\u591f\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u4e0a\u7075\u6d3b\u5730\u8fd0\u884c\uff0c\u800c\u65e0\u9700\u5bf9\u5185\u6838\u8fdb\u884c\u4fee\u6539\u3002\u5728\u672c\u6587\u4e2d\uff0c\u5c06\u4ecb\u7ecdLinux DTS\u7684\u4f5c\u7528\u53ca\u7528\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002 1. \u8bbe\u5907\u6811\u7684\u4f5c\u7528 \u8bbe\u5907\u6811\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u786c\u4ef6\u7684\u7c7b\u578b\u3001\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u3001GPIO\u5f15\u811a\u7b49\uff0c\u5e76\u89c4\u5b9a\u4e86\u8fd9\u4e9b\u786c\u4ef6\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\u5173\u7cfb\u3002\u901a\u8fc7\u8bbe\u5907\u6811\uff0cLinux\u5185\u6838\u53ef\u4ee5\u5728\u542f\u52a8\u8fc7\u7a0b\u4e2d\u52a8\u6001\u5730\u8bc6\u522b\u786c\u4ef6\u8bbe\u5907\u53ca\u5176\u5c5e\u6027\uff0c\u4ece\u800c\u6b63\u786e\u5730\u914d\u7f6e\u786c\u4ef6\u8d44\u6e90\uff0c\u4f7f\u5f97\u5185\u6838\u80fd\u591f\u987a\u5229\u5730\u4e0e\u786c\u4ef6\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002 \u53e6\u5916\uff0c\u8bbe\u5907\u6811\u8fd8\u53ef\u4ee5\u901a\u8fc7\u63cf\u8ff0\u8bbe\u5907\u6811\u7247\u6bb5\uff08*.dtsi\u6587\u4ef6\uff09\u6765\u5b9e\u73b0\u786c\u4ef6\u6a21\u5757\u7684\u590d\u7528\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002\u901a\u8fc7\u7ec4\u5408\u4e0d\u540c\u7684\u8bbe\u5907\u6811\u7247\u6bb5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u914d\u7f6e\u786c\u4ef6\u8d44\u6e90\uff0c\u65b9\u4fbf\u5b9a\u5236\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u3002 2. \u8bbe\u5907\u6811\u7684\u76f8\u5173\u6982\u5ff5 \u5728\u4f7f\u7528\u8bbe\u5907\u6811\u65f6\uff0c\u9700\u8981\u4e86\u89e3\u4ee5\u4e0b\u51e0\u4e2a\u91cd\u8981\u6982\u5ff5\uff1a \u8bbe\u5907\u6811\u6e90\u6587\u4ef6\uff08DTS\uff09\uff1a \u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u662f\u7528\u6765\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u4fe1\u606f\u7684\u6587\u672c\u6587\u4ef6\uff0c\u901a\u5e38\u4ee5.dts\u4e3a\u6269\u5c55\u540d\u3002\u5728Linux\u5185\u6838\u7f16\u8bd1\u65f6\uff0c\u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u4f1a\u88ab\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u7684\u8bbe\u5907\u6811\u6587\u4ef6\uff08*.dtb\uff09\uff0c\u4f9b\u5185\u6838\u4f7f\u7528\u3002 \u8bbe\u5907\u6811\u8282\u70b9\uff1a \u8bbe\u5907\u6811\u4e2d\u7684\u6bcf\u4e2a\u786c\u4ef6\u8bbe\u5907\u6216\u8282\u70b9\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u8bbe\u5907\u6811\u8282\u70b9\u3002\u6bcf\u4e2a\u8282\u70b9\u5305\u542b\u4e86\u8be5\u786c\u4ef6\u8bbe\u5907\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5982\u8bbe\u5907\u7c7b\u578b\u3001\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u3001\u5bc4\u5b58\u5668\u5730\u5740\u7b49\u3002 \u8bbe\u5907\u6811\u7ed1\u5b9a\uff1a \u8bbe\u5907\u6811\u7ed1\u5b9a\u6307\u7684\u662f\u5c06\u8bbe\u5907\u6811\u8282\u70b9\u4e0e\u76f8\u5e94\u7684\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u8fdb\u884c\u7ed1\u5b9a\u7684\u8fc7\u7a0b\u3002\u8bbe\u5907\u6811\u4e2d\u7684\u8282\u70b9\u4f1a\u901a\u8fc7\u5339\u914d\u8bbe\u5907\u6811\u4e0e\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u6765\u52a0\u8f7d\u76f8\u5e94\u7684\u9a71\u52a8\u3002 3. \u8bbe\u5907\u6811\u7684\u57fa\u672c\u7ed3\u6784 \u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u7684\u57fa\u672c\u7ed3\u6784\u7531\u8282\u70b9\uff08node\uff09\u548c\u5c5e\u6027\uff08property\uff09\u7ec4\u6210\u3002\u8282\u70b9\u7528\u6765\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\uff0c\u5c5e\u6027\u7528\u6765\u63cf\u8ff0\u8282\u70b9\u7684\u5c5e\u6027\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8bbe\u5907\u6811\u6e90\u6587\u4ef6\u793a\u4f8b\uff1a \/dts-v1\/; #include <dt-bindings\/gpio\/gpio.h> \/ { compatible = “myboard, mydevice”; mydevice { compatible = “mydevice”; reg = <0x100000 0x1000>; interrupts = <0 2>; gpio = <&gpio1 10 GPIO_ACTIVE_LOW>; }; }; \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cmydevice\u8868\u793a\u4e00\u4e2a\u786c\u4ef6\u8bbe\u5907\u7684\u8282\u70b9\uff0c\u5305\u542b\u4e86\u8bbe\u5907\u7684compatible\u5c5e\u6027\u3001\u5bc4\u5b58\u5668\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u4ee5\u53caGPIO\u5f15\u811a\u7684\u4fe1\u606f\u3002 4. \u8bbe\u5907\u6811\u7684\u4f7f\u7528\u793a\u4f8b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51490","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51490"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51490\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}