From mboxrd@z Thu Jan 1 00:00:00 1970 From: 21cnbao@gmail.com (Barry Song) Date: Fri, 3 Jun 2011 09:19:59 +0800 Subject: [RFC 1/2] ARM:Tegra: Device Tree Support: Initialize the audio card from the device tree. In-Reply-To: <20110602213656.GB10532@n2100.arm.linux.org.uk> References: <20110527205444.21000.90209.stgit@riker> <20110527205706.21000.34832.stgit@riker> <20110602160445.GA8373@ponder.secretlab.ca> <20110602213656.GB10532@n2100.arm.linux.org.uk> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 2011/6/3 Russell King - ARM Linux : > On Thu, Jun 02, 2011 at 10:04:45AM -0600, Grant Likely wrote: >> Right now we can't do dynamic registration for on-chip devices in a >> lot of cases because we don't have the infrastructure to hook up the >> associated struct clks. > > I've been wondering about this, and I don't see it as a blocking problem > as you seem to be. > > I assume platform devices have stable names when they're created from > the device tree? ?If yes, there's no problem having the DT start to > describe the SoC specific devices _today_ - all that the clk API using > clkdev requires is a stable device name. when i write the following nodes in dts, uart0: uart at 0xb0060000 { compatible = "sirf,uart"; ... } uart1: uart at 0xb0050000 { compatible = "sirf,uart"; ... } uart2: uart at 0xb0070000 { compatible = "sirf,uart"; ... } then create these platform devices by of_platform_xxx things, i get some platform devices like the below. b0060000.uart b0050000.uart b0070000.uart so these are the "stable names" you are talking about? or something else? >