On 18-04-19, 08:55, Yangtao Li wrote: > Allwinner Process Voltage Scaling Tables defines the voltage and > frequency value based on the speedbin blown in the efuse combination. > The sunxi-cpufreq-nvmem driver reads the efuse value from the SoC to > provide the OPP framework with required information. > This is used to determine the voltage and frequency value for each > OPP of operating-points-v2 table when it is parsed by the OPP framework. > > The "allwinner,sun50i-h6-operating-points" DT extends the > "operating-points-v2" > with following parameters: > - nvmem-cells (NVMEM area containig the speedbin information) > - opp-microvolt-<name>: voltage in micro Volts. > At runtime, the platform can pick a <name> and matching > opp-microvolt-<name> property. > HW: <name>: > sun50i-h6 speed0 speed1 speed2 > > Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx> > Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> > --- > just fix a typo: > sun50iw-h6 -> sun50i-h6 > > This patch is [2/2]. > for [1/2]: > https://patchwork.kernel.org/patch/10903381/ > --- > .../bindings/opp/sun50i-nvmem-cpufreq.txt | 167 ++++++++++++++++++ > 1 file changed, 167 insertions(+) > create mode 100644 Documentation/devicetree/bindings/opp/sun50i-nvmem-cpufreq.txt @Rob: Do you have any comments on this one before I apply it ? -- viresh
