zh_CN/devicetree/usage-model.rst

1 .. SPDX-License-Identifier: GPL-2.0
2 .. include:: ../disclaimer-zh_CN.rst
4 :Original: Documentation/devicetree/usage-model.rst
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57 传递给内核，而不需要真正的Open Firmware实现。U-Boot、kexec和其他引导程序
67 -----------
71 --------------
88 ------------
106 	compatible = "ti,omap3-beagleboard", "ti,omap3450", "ti,omap3";
107 	compatible = "ti,omap3-beagleboard-xm", "ti,omap3450", "ti,omap3";
109 其中 "ti,map3-beagleboard-xm "指定了确切的型号，它还声称它与OMAP 3450 SoC
138 并且只在“ti,omap3-beagleboard”上匹配。
145 --------------
153 		initrd-start = <0xc8000000>;
154 		initrd-end = <0xc8200000>;
157 bootargs属性包含内核参数，initrd-\*属性定义initrd blob的地址和大小。注
158 意initrd-end是initrd映像后的第一个地址，所以这与结构体资源的通常语义不一
172 ------------
198 	compatible = "nvidia,harmony", "nvidia,tegra20";
199 	#address-cells = <1>;
200 	#size-cells = <1>;
201 	interrupt-parent = <&intc>;
212 		compatible = "nvidia,tegra20-soc", "simple-bus";
213 		#address-cells = <1>;
214 		#size-cells = <1>;
217 		intc: interrupt-controller@50041000 {
218 			compatible = "nvidia,tegra20-gic";
219 			interrupt-controller;
220 			#interrupt-cells = <1>;
225 			compatible = "nvidia,tegra20-uart";
230 		i2s1: i2s@70002800 {
231 			compatible = "nvidia,tegra20-i2s";
238 			compatible = "nvidia,tegra20-i2c";
239 			#address-cells = <1>;
240 			#size-cells = <0>;
253 		compatible = "nvidia,harmony-sound";
254 		i2s-controller = <&i2s1>;
255 		i2s-codec = <&wm8903>;
310 “simple-bus”在Devicetree规范中被定义为一个属性，意味着一个简单的内存映射
318 ---------------