{"id":4952,"date":"2023-09-14T15:46:22","date_gmt":"2023-09-14T07:46:22","guid":{"rendered":"https:\/\/www.yimenyun.cn\/emen\/?p=4952"},"modified":"2023-09-14T15:46:22","modified_gmt":"2023-09-14T07:46:22","slug":"linuxdtsdocument%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d","status":"publish","type":"post","link":"https:\/\/www.yimenyun.cn\/emen\/4952\/","title":{"rendered":"linuxdtsdocument\u662f\u4ec0\u4e48\u610f\u601d?"},"content":{"rendered":"

Linux DTS\uff08Device Tree Source\uff09\u662f\u4e00\u79cd\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u4e4b\u95f4\u5171\u4eab\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5185\u6838\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\uff0cDTS\u6587\u4ef6\u7528\u4e8e\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u82af\u7247\u3001\u5916\u8bbe\u3001\u4e2d\u65ad\u3001\u65f6\u949f\u7b49\u4fe1\u606f\uff0c\u4ece\u800c\u8ba9\u5185\u6838\u80fd\u591f\u6b63\u786e\u5730\u8bc6\u522b\u548c\u914d\u7f6e\u786c\u4ef6\u8bbe\u5907\u3002<\/p>\n

DTS\u6587\u4ef6\u662f\u4e00\u79cd\u6587\u672c\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u5b83\u901a\u5e38\u4ee5.dts\u6216.dtsi\u4e3a\u6269\u5c55\u540d\u3002\u5728Linux\u5185\u6838\u4e2d\uff0cDTS\u6587\u4ef6\u901a\u5e38\u5b58\u653e\u5728arch\/arm\/boot\/dts\u76ee\u5f55\u4e0b\u3002DTS\u6587\u4ef6<\/p>\n

<\/figure>\n<\/p>\n

\u5305\u62ec\u4e86\u786c\u4ef6\u8bbe\u5907\u7684\u5404\u79cd\u4fe1\u606f\uff0c\u5982\u8bbe\u5907\u7684\u7c7b\u578b\u3001\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u3001\u65f6\u949f\u7b49\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u7531\u8bbe\u5907\u6811\u7f16\u8bd1\u5668\uff08dtc\uff09\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684\u8bbe\u5907\u6811\uff08Device Tree\uff09\u6587\u4ef6\uff0c\u4ee5\u4f9b\u5185\u6838\u4f7f\u7528\u3002<\/p>\n

\u8bbe\u5907\u6811\u662f\u4e00\u79cd\u7528\u4e8e\u63cf\u8ff0\u786c\u4ef6\u7cfb\u7edf\u4fe1\u606f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u4e4b\u95f4\u5171\u4eab\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5185\u6838\u3002\u8bbe\u5907\u6811\u7684\u7ed3\u6784\u7c7b\u4f3c\u4e8e\u6811\u5f62\u7ed3\u6784\uff0c\u7531\u591a\u4e2a\u8282\u70b9\u7ec4\u6210\uff0c\u6bcf\u4e2a\u8282\u70b9\u5305\u542b\u4e86\u8bbe\u5907\u7684\u4fe1\u606f\uff0c\u5982\u8bbe\u5907\u7c7b\u578b\u3001\u5730\u5740\u3001\u4e2d\u65ad\u53f7\u3001\u65f6\u949f\u7b49\u4fe1\u606f\u3002\u8bbe\u5907\u6811\u5728\u5185\u6838\u542f\u52a8\u65f6\u52a0\u8f7d\uff0c\u5e76\u7531\u5185\u6838\u8bc6\u522b\u548c\u914d\u7f6e\u786c\u4ef6\u8bbe\u5907\u3002<\/p>\n

DTS\u6587\u4ef6\u7684\u7f16\u5199\u9700\u8981\u4e86\u89e3\u8bbe\u5907\u6811\u7684\u7ed3\u6784\u548c\u8bed\u6cd5\u89c4\u5219\u3002DTS\u6587\u4ef6\u7531\u591a\u4e2a\u8282\u70b9\u7ec4\u6210\uff0c\u6bcf\u4e2a\u8282\u70b9\u7531\u4e00\u4e2a\u6807\u7b7e\u548c\u4e00\u7ec4\u5c5e\u6027\u7ec4\u6210\u3002\u6807\u7b7e\u7528\u4e8e\u6807\u8bc6\u8bbe\u5907\u7684\u7c7b\u578b\uff0c\u5c5e\u6027\u7528\u4e8e\u63cf\u8ff0\u8bbe\u5907\u7684\u4fe1\u606f\u3002\u5c5e\u6027\u7531\u952e\u503c\u5bf9\u7ec4\u6210\uff0c\u952e\u7528\u4e8e\u63cf\u8ff0\u5c5e\u6027\u7684\u540d\u79f0\uff0c\u503c\u7528\u4e8e\u63cf\u8ff0\u5c5e\u6027\u7684\u503c\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7b80\u5355\u7684DTS\u6587\u4ef6\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

“`<\/p>\n

\/dts-v1\/;<\/p>\n

\/exe\u7a0b\u5e8f\u5f00\u53d1<\/a> {<\/p>\n

model = “MyDevice”;<\/p>\n

compatible = “mydevice,mydevice-v1”;<\/p>\n

memory {<\/p>\n

reg = ;<\/p>\n

};<\/p>\n

uart {<\/p>\n

compatible = “mydevice,uart”;<\/p>\n

reg = ;<\/p>\n

interrupt-parent = ;<\/p>\n

interrupts = ;<\/p>\n

};<\/p>\n

};<\/p>\n

“`<\/p>\n

\u8fd9\u4e2aDTS\u6587\u4ef6\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a”MyDevice”\u7684\u8bbe\u5907\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2a\u5185\u5b58\u548c\u4e00\u4e2a\u4e32\u53e3\u8bbe\u5907\u3002\u4e32\u53e3\u8bbe\u5907\u7684\u7c7b\u578b\u4e3a”mydevice,uart”\uff0c\u5730\u5740\u4e3a0x10000000\uff0c\u5927\u5c0f\u4e3a0x100\uff0c\u4e2d\u65ad\u53f7\u4e3a5\uff0c\u4e2d\u65ad\u63a7\u5236\u5668\u4e3a”intc”\u3002<\/p>\n

DTS\u6587\u4ef6\u7684\u7f16\u8bd1\u9700\u8981\u4f7f\u7528\u8bbe\u5907\u6811\u7f16\u8bd1\u5668\uff08dtc\uff09\uff0cdtc\u53ef\u4ee5\u5c06DTS\u6587\u4ef6\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684\u8bbe\u5907\u6811\u6587\u4ef6\u3002\u7f16\u8bd1\u540e\u7684\u8bbe\u5907\u6811\u6587\u4ef6\u901a\u5e38\u4ee5.dtb\u4e3a\u6269\u5c55\u540d\uff0c\u5b83\u53ef\u4ee5\u88ab\u5185\u6838\u52a0\u8f7d\u5e76\u7528\u4e8e\u8bc6\u522b\u548c\u914d\u7f6e\u786c\u4ef6\u8bbe\u5907\u3002<\/p>\n

\u5728Linux\u5185\u6838\u4e2d\uff0c\u8bbe\u5907\u9a71\u52a8\u901a\u5e38\u9700\u8981\u4f7f\u7528\u8bbe\u5907\u6811\u6765\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u7684htmlrun\u6253\u5305\u8f6f\u4ef6<\/a>\u4fe1\u606f\uff0c\u4ee5\u4fbf\u5185\u6838\u80fd\u591f\u6b63\u786e\u5730\u8bc6\u522b\u548c\u914d\u7f6e\u786c\u4ef6\u8bbe\u5907\u3002\u8bbe\u5907\u6811\u7684\u4f7f\u7528\u4f7f\u5f97\u5185\u6838\u80fd\u591f\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u4e4b\u95f4\u5171\u4eab\u4ee3\u7801\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u5f00\u53d1\u548c\u7ef4\u62a4\u7684\u6210\u672c\u3002\u540c\u65f6\uff0c\u8bbe\u5907\u6811\u4e5f\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u79fb\u690d\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u4f7f\u5f97\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u5f00\u53d1\u66f4\u52a0\u5bb9\u6613\u548c\u7075\u6d3b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Linux DTS\uff08Device Tree Source\uff09\u662f\u4e00\u79cd\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u5e73\u53f0\u4e4b\u95f4\u5171\u4eab\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5185\u6838\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\uff0cDTS\u6587\u4ef6\u7528\u4e8e\u63cf\u8ff0\u786c\u4ef6\u8bbe\u5907\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u82af<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[9392,5626,9391,16,56],"topic":[],"class_list":["post-4952","post","type-post","status-publish","format-standard","hentry","category-exekf","tag-elementuiexe","tag-exeipa","tag-9391","tag-16","tag-56"],"_links":{"self":[{"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/posts\/4952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/comments?post=4952"}],"version-history":[{"count":0,"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/posts\/4952\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/media?parent=4952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/categories?post=4952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/tags?post=4952"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.yimenyun.cn\/emen\/wp-json\/wp\/v2\/topic?post=4952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}