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SubjectRe: [PATCH v4 0/7] cpufreq support for Raspberry Pi
Hi Nicolas,

Am 12.06.19 um 20:24 schrieb Nicolas Saenz Julienne:
> Hi all,
> this aims at adding cpufreq support to the Raspberry Pi family of
> boards.
> The series first factors out 'pllb' from clk-bcm2385 and creates a new
> clk driver that operates it over RPi's firmware interface[1]. We are
> forced to do so as the firmware 'owns' the pll and we're not allowed to
> change through the register interface directly as we might race with the
> over-temperature and under-voltage protections provided by the firmware.
> Next it creates a minimal cpufreq driver that populates the CPU's opp
> table, and registers cpufreq-dt. Which is needed as the firmware
> controls the max and min frequencies available.
> This was tested on a RPi3b+ and RPI2b, both using multi_v7_defconfig and
> arm64's defconfig.
this whole series is:

Acked-by: Stefan Wahren <>


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