On Mon, Dec 15, 2014 at 10:55:14AM +0800, Yakir Yang wrote: > Required properties: > - compatible: platform specific > - cpu-of-node: the device node of cpu_dai > - codec-name: the dw-hdmi codec's device name > - codec-dai-name: the dw-hdmi codec's dai name This is not actually a separate physical device from the main dw-hdmi device. What you are doing is merely describing the Linux kernel internals in DT, which is not what DT is supposed to be about. DT is supposed to describe the hardware in an operating system independent manner. Including details like this (because ASoC needs a separate DT node) is the wrong approach. -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html