[PATCH v3] cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver

[Hector Yuan]

Hi, Sirs:

Please kindly let me know your review thoughts of this patch.
Appreciated.
 
On Wed, 2020-08-26 at 21:01 +0800, Hector Yuan wrote:
> The CPUfreq HW present in some Mediatek chipsets offloads the steps necessary for changing the frequency of CPUs. 
> The driver implements the cpufreq driver interface for this hardware engine. 
> 
> This patch depends on the MT6799 DTS patch submitted by Hanks Chen
>  https://lkml.org/lkml/2020/8/4/1094
> 
> 
> Hector.Yuan (2):
>   cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver
>   dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW
> 
>  .../bindings/cpufreq/cpufreq-mediatek-hw.yaml      |  141 +++++++++
>  drivers/cpufreq/Kconfig.arm                        |   12 +
>  drivers/cpufreq/Makefile                           |    1 +
>  drivers/cpufreq/mediatek-cpufreq-hw.c              |  305 ++++++++++++++++++++
>  4 files changed, 459 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
>  create mode 100644 drivers/cpufreq/mediatek-cpufreq-hw.c