Re: [PATCH v2 0/5] 0/6] arm64: meson-sm1: add support for DVFS

From: Kevin Hilman
Date: Tue Aug 27 2019 - 15:12:15 EST


Jerome Brunet <jbrunet@xxxxxxxxxxxx> writes:

> On Mon 26 Aug 2019 at 09:25, Neil Armstrong <narmstrong@xxxxxxxxxxxx> wrote:
>
>> Following DVFS support for the Amlogic G12A and G12B SoCs, this serie
>> enables DVFS on the SM1 SoC for the SEI610 board.
>>
>> The SM1 Clock structure is slightly different because of the Cortex-A55
>> core used, having the capability for each core of a same cluster to run
>> at a different frequency thanks to the newly used DynamIQ Shared Unit.
>>
>> This is why SM1 has a CPU clock tree for each core and for DynamIQ Shared Unit,
>> with a bypass mux to use the CPU0 instead of the dedicated trees.
>>
>> The DSU uses a new GP1 PLL as default clock, thus GP1 is added as read-only.
>>
>> The SM1 OPPs has been taken from the Amlogic Vendor tree, and unlike
>> G12A only a single version of the SoC is available.
>>
>> Dependencies:
>> - patch 6 is based on the "arm64: meson: add support for SM1 Power Domains" serie,
>> but is not a strong dependency, it will work without
>>
>> Changes since v1:
>> - exposed GP1, DSU and CPU 1,2,3 clock in patch 1
>>
>> Neil Armstrong (5):
>> dt-bindings: clk: meson: add sm1 periph clock controller bindings
>> clk: meson: g12a: add support for SM1 GP1 PLL
>> clk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock
>> clk: meson: g12a: add support for SM1 CPU 1, 2 & 3 clocks
>> arm64: dts: meson-sm1-sei610: enable DVFS
>>
>> .../bindings/clock/amlogic,gxbb-clkc.txt | 1 +
>> .../boot/dts/amlogic/meson-sm1-sei610.dts | 59 +-
>> arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 69 +++
>> drivers/clk/meson/g12a.c | 544 ++++++++++++++++++
>> drivers/clk/meson/g12a.h | 24 +-
>> include/dt-bindings/clock/g12a-clkc.h | 5 +
>> 6 files changed, 697 insertions(+), 5 deletions(-)
>
> Applied 1 to 4

Will there be a stable tag I can use for that so I can apply patch 5?

Kevin