On Wed, Jan 08, 2014 at 08:53:56AM +0000, Yuantian Tang wrote: > > ________________________________________ > 发件人: Wood Scott-B07421 > 发送时间: 2014年1月8日 8:21 > 收件人: Tang Yuantian-B29983 > 抄送: [email protected]; [email protected]; > [email protected]; [email protected] > 主题: Re: [v7] clk: corenet: Adds the clock binding > > On Wed, Nov 20, 2013 at 05:04:49PM +0800, tang yuantian wrote: > > +Recommended properties: > > +- ranges: Allows valid translation between child's address space and > > + parent's. Must be present if the device has sub-nodes. > > +- #address-cells: Specifies the number of cells used to represent > > + physical base addresses. Must be present if the device has > > + sub-nodes and set to 1 if present > > +- #size-cells: Specifies the number of cells used to represent > > + the size of an address. Must be present if the device has > > + sub-nodes and set to 1 if present > > Why are we specifying #address-cells/#size-cells here? > > A: it has sub-nodes which have REG property, don't we need to > specify #address-cells/#size-cells?
If a node has a reg entry, its parent should have #size-cells and #address-cells to allow it to be parsed properly. Mark. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
