Messages in this thread | | | Date | Mon, 24 Feb 2020 11:39:11 +0800 | From | Shawn Guo <> | Subject | Re: [PATCH RESEND v3 0/4] clk: imx: imx8m: fix a53 cpu clock |
| |
On Wed, Feb 19, 2020 at 06:17:05PM +0800, peng.fan@nxp.com wrote: > From: Peng Fan <peng.fan@nxp.com> > > V3: > Rebased to Shawn's for-next branch > Typo fix > > V2: > Fix i.MX8MP build > Update cover letter, i.MX7D not have this issue > > The A53 CCM clk root only accepts input up to 1GHz, CCM A53 root > signoff timing is 1Ghz, however the A53 core which sources from CCM > root could run above 1GHz which voilates the CCM. > > There is a CORE_SEL slice before A53 core, we need configure the > CORE_SEL slice source from ARM PLL, not A53 CCM clk root. > > The A53 CCM clk root should only be used when need to change ARM PLL > frequency. > > Peng Fan (4): > clk: imx: imx8mq: fix a53 cpu clock > clk: imx: imx8mm: fix a53 cpu clock > clk: imx: imx8mn: fix a53 cpu clock > clk: imx: imx8mp: fix a53 cpu clock
Applied all, thanks.
| |