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SubjectRe: [PATCH 0/7] PM / OPP: per OPP node clock support and imx7ulp cpufreq driver
Hi Viresh and Rafael,

On Thu, Aug 24, 2017 at 12:10:03AM +0800, Dong Aisheng wrote:
> This patch series does three things:
> 1) Add platform specific set_clk function
> 2) Add per OPP node clock support
> 3) Add imx7ulp cpufreq driver support
>
> 3 is depends on 1 & 2.
>
> MX7ULP supports HSRUN mode (528 Mhz), RUN mode (413 Mhz) and VLPR mode
> (restricted to FIRC clock, usually 48 Mhz). This patch adds the cpufreq
> driver support for HSRUN and RUN mode.
> When in different modes, the A7 core is using different clocks:
> RUN: clk run_divcore
> HSRUN: clk hsrun_divcore
>
> Thus, this driver replies on the newly added features in OPP core framework
> patch 1~6: e.g.
> "PM / OPP: use OPP node clock to set CPU frequency"
>
> And since IMX7ULP CPU clock setting is different from the generic
> set OPP clock, we also implemented a private set_clk function.
>
> Dong Aisheng (7):
> PM / OPP: Add platform specific set_clk function
> dt-bindings: PM / OPP: add clocks per OPP node support
> PM / OPP: rename opp_table->clk to opp_table->cur_clk
> PM / OPP: use OPP node clock to set CPU frequency
> PM / OPP: Add dev_pm_opp_get_cur_clk()
> cpufreq: make cpufreq_generic_init transition_latency default to
> CPUFREQ_ETERNAL
> cpufreq: add imx7ulp cpufreq driver
>

Do you have any comments about this series?

Regards
Dong Aisheng

> Documentation/devicetree/bindings/opp/opp.txt | 52 ++++++
> drivers/base/power/opp/core.c | 155 ++++++++++++++---
> drivers/base/power/opp/of.c | 8 +
> drivers/base/power/opp/opp.h | 11 +-
> drivers/cpufreq/Kconfig.arm | 8 +
> drivers/cpufreq/Makefile | 1 +
> drivers/cpufreq/cpufreq.c | 2 +
> drivers/cpufreq/imx7ulp-cpufreq.c | 234 ++++++++++++++++++++++++++
> include/linux/pm_opp.h | 16 ++
> 9 files changed, 466 insertions(+), 21 deletions(-)
> create mode 100644 drivers/cpufreq/imx7ulp-cpufreq.c
>
> --
> 2.7.4
>

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