From mboxrd@z Thu Jan 1 00:00:00 1970 From: kgene.kim@samsung.com (Kukjin Kim) Date: Sat, 08 Sep 2012 11:47:15 +0900 Subject: [PATCH v2 5/5] ARM: Exynos: Add basic dts file for Samsung Trats board In-Reply-To: <3039444.Ol4zGlGWJ2@flatron> References: <1346748609-11115-1-git-send-email-t.figa@samsung.com> <1346748609-11115-6-git-send-email-t.figa@samsung.com> <3039444.Ol4zGlGWJ2@flatron> Message-ID: <24dd01cd8d6c$41586970$c4093c50$%kim@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Tomasz Figa wrote: > > Hi, > > Thanks for reviewing the patch. > > On Wednesday 05 of September 2012 09:35:49 Thomas Abraham wrote: > > > + > > > + memory { > > > + reg = <0x40000000 0x20000000 > > > + 0x60000000 0x20000000>; > > > + }; > > > > Why does this have to be split. Why not have a single entry with the > > size as 0x40000000? > > The memory node corresponds to struct meminfo and each entry (with two > values) makes one struct membank defining a memory bank. > Well... > I've been talking with Kyungmin about this. Originally bootloaders used to > report 4 banks of 256 MiB, but it turned out that real bank configuration > on Trats is 2 banks of 512 MiB. > I think, following should ok here. memory { reg = <0x40000000 0x40000000>; }; > I'm not into memory management internals, so I don't know if this has any > significance, but I defined the node to represent the real configuration > (otherwise I would have probably used 4 banks of 256 MiB and drop the 4th > patch). > > > > + max8997_pmic at 66 { > > > + compatible = "maxim,max8997-pmic"; > > > + > > > + reg = <0x66>; > > > > Probably, the interrupts can be listed when we have pinctrl driver > > merged in Samsung tree. > > > > Right. > Note, you can do it on top of samsung tree :-) Thanks. Best regards, Kgene. -- Kukjin Kim , Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd.