Messages in this thread | | | Subject | Re: [PATCH RESEND V6 2/2] clk: imx: scu: add cpu frequency scaling support | From | Stephen Boyd <> | Date | Fri, 22 Feb 2019 11:03:49 -0800 |
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Quoting Anson Huang (2019-02-21 18:32:10) > On NXP's i.MX SoCs with system controller inside, CPU frequency > scaling can ONLY be done by system controller firmware, and it > can ONLY be requested from secure mode, so Linux kernel has to > call ARM SMC to trap to ARM-Trusted-Firmware to request system > controller firmware to do CPU frequency scaling. > > This patch adds i.MX system controller CPU frequency scaling support, > it reuses cpufreq-dt driver and implement the CPU frequency scaling > inside SCU clock driver. > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > ---
Applied to clk-next
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