Re: 答复: [v7] clk: corenet: Adds the clock binding

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: galak@kernel.crashing.org; mark.rutland@arm.com; devicetree@vger.kernel.org; linuxppc-dev@lists.ozlabs.org
主题: Re: [v7] clk: corenet: Adds the clock binding

On Wed, Nov 20, 2013 at 05:04:49PM +0800, tang yuantian wrote:

quoted

+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.