On 05.01.2021 12:44, Viresh Kumar wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the > content is safe > > On 05-01-21, 12:22, Claudiu Beznea wrote: >> Microchip SAMA7G5 devices supports runtime changes of CPU frequency. >> This is doable by changing CPUPLL frequency along with MCK0 frequency. >> Along with this CPU's regulator must be changed to accommodate new >> frequencies. >> >> Signed-off-by: Claudiu Beznea <[email protected]> >> --- >> drivers/cpufreq/Kconfig.arm | 9 + >> drivers/cpufreq/Makefile | 1 + >> drivers/cpufreq/cpufreq-dt-platdev.c | 2 + >> drivers/cpufreq/sama7g5-cpufreq.c | 371 >> +++++++++++++++++++++++++++++++++++ >> 4 files changed, 383 insertions(+) >> create mode 100644 drivers/cpufreq/sama7g5-cpufreq.c > > Did you try to reuse cpufreq-dt driver? It already handles most of > this stuff, the only thing you need to do is to make sure > clk_set_rate() for a CPU needs to handle all the clk stuff behind the > scene.
No, I haven't tried it due to the fact that there are 2 clocks that needs to be handled and though isn't the proper way to do this behind the scene in clock drivers. > > We haven't been accepting new implementations of the drivers which can > work just fine with cpufreq-dt, please try to adapt to it. I'll try it. Thank you, Claudiu > > Thanks. > > -- > viresh >
