[PATCH v4 0/4] clk: hisilicon: support stub clock
xuwei5 at hisilicon.com
Wed Aug 12 02:20:13 PDT 2015
On 8/12/2015 2:49 AM, Leo Yan wrote:
> Hi Stephen,
> On Tue, Aug 11, 2015 at 05:38:17PM -0700, Stephen Boyd wrote:
>> On 08/04, Leo Yan wrote:
>>> This series adds support for hisilicon stub clock driver. On hi6220,
>>> the bootloader needs load the firmware image and set info for OPPs;
>>> after run into kernel, the stub clock driver is used to communicate
>>> w/t firmware for cpu dynamic frequency scaling.
>>> In patch series v1/v2, the stub clock driver simply writes request in
>>> sram and send ipc to firmware; For patch series v3, the firmware has
>>> been upgraded to use mailbox, so stub clock driver will call standard
>>> mailbox APIs to request mailbox channel and send message to firmware.
>>> Patch 4 adds stub clock node into dts and it references mailbox with
>>> phandle, so patch 4 will depend on mailbox driver's patch series .
>>> These patches have been tested on 96board hikey and is used by cpufreq
>> The To: list is everyone, so I'm not sure who is supposed to
>> apply these patches. I'd like to take patches 1, 2, and 3 through
>> the clk tree though.
> Thanks, you could take first three patches. For patch 4, i will
> re-send it after mailbox driver's patches have been merged.
> Wei Xu, is this okay for you?
> Leo Yan
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