Thread (16 messages) 16 messages, 3 authors, 2020-02-07

RE: [PATCH RESEND V5 00/11] clk: imx8: add new clock binding for better pm support

From: Aisheng Dong <aisheng.dong@nxp.com>
Date: 2020-01-21 05:01:01
Also in: linux-clk

Gently ping..
From: Aisheng Dong <aisheng.dong@nxp.com>
Sent: Thursday, January 2, 2020 4:26 PM

Hi Stephen,

Could you take a look at this?

Regards
Aisheng
quoted
From: Shawn Guo <shawnguo@kernel.org>
Sent: Wednesday, December 11, 2019 4:05 PM

On Sun, Nov 17, 2019 at 08:25:08PM +0800, Dong Aisheng wrote:
quoted
This is a follow up of this patch series.
[V2,0/2] clk: imx: scu: add parsing clocks from device tree support

This patch series is a preparation for the MX8 Architecture improvement.
As for IMX SCU based platforms like MX8QM and MX8QXP, they are
comprised of a couple of SS(Subsystems) while most of them within
the same SS can be shared. e.g. Clocks, Devices and etc.

However, current clock binding is using SW IDs for device tree to
use which can cause troubles in writing the common <soc>-ss-xx.dtsi
file for different SoCs.

This patch series aims to introduce a new binding which is more
close to hardware and platform independent and can makes us write a
more general drivers for different SCU based SoCs.

Another important thing is that on MX8, each Clock resource is
associated with a power domain. So we have to attach that clock
device to the power domain in order to make it work properly.
Further more, the clock state will be lost when its power domain is
completely off during suspend/resume, so we also introduce the clock
state save&restore
mechanism.
quoted
ChangeLog:
v4->v5:
 * Address all comments from Stephen
Hi Stephen,

Are you fine with this version?

Shawn
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