From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawnguo@kernel.org (Shawn Guo) Date: Tue, 3 May 2016 20:37:19 +0800 Subject: [PATCH] clk: imx: fix ahb clock mux 1 In-Reply-To: References: <1461877623-26838-1-git-send-email-stefan@agner.ch> <20160503083253.GC5874@tiger> Message-ID: <20160503123718.GG5874@tiger> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, May 03, 2016 at 06:50:21PM +0800, Dong Aisheng wrote: > Hi Shawn, > > On Tue, May 3, 2016 at 4:32 PM, Shawn Guo wrote: > > On Thu, Apr 28, 2016 at 02:07:03PM -0700, Stefan Agner wrote: > >> The clock parent of the AHB root clock when using mux option 1 > >> is the SYS PLL 270MHz clock. This is specified in Table 5-11 > >> Clock Root Table of the i.MX 7Dual Applications Processor > >> Reference Manual. > >> > >> While it could be a documentation error, the 270MHz parent is > >> also mentioned in the boot ROM configuration in Table 6-28: The > >> clock is by default at 135MHz due to a POST_PODF value of 1 > >> (=> divider of 2). > >> > >> Signed-off-by: Stefan Agner > > > > Anson, Frank, > > > > Can you guys confirm this change is correct? > > > > I just checked the doc, > it's correct the parent should be SYS_PLL_PFD2(270Mhz). > It's a documentation error of early version and it's already fixed > in latest internal doc. Thanks for the confirmation. Shawn