From: Dong Aisheng <dongas86@gmail.com>
To: Dong Aisheng <aisheng.dong@nxp.com>
Cc: devicetree <devicetree@vger.kernel.org>,
sboyd@kernel.org, Michael Turquette <mturquette@baylibre.com>,
Rob Herring <robh+dt@kernel.org>,
dl-linux-imx <linux-imx@nxp.com>,
Sascha Hauer <kernel@pengutronix.de>,
Fabio Estevam <fabio.estevam@nxp.com>,
Shawn Guo <shawnguo@kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 00/11] clk: imx8: add new clock binding for better pm support
Date: Thu, 25 Jul 2019 20:48:47 +0800 [thread overview]
Message-ID: <CAA+hA=TkrwzWbJQu7Cc6njdQSP--u=Zf+=FcPg-wCZ=rRXoRuQ@mail.gmail.com> (raw)
In-Reply-To: <1563289265-10977-1-git-send-email-aisheng.dong@nxp.com>
Hi Rob & Stephen & Shawn,
Could you help review this patchset?
We're pretty stuck here for a long time and a lot continued work are blocked.
We really need your kind help.
The related DT patches could be found here:
https://patchwork.kernel.org/cover/11046341/
Regards
Aisheng
On Tue, Jul 16, 2019 at 11:23 PM Dong Aisheng <aisheng.dong@nxp.com> wrote:
>
> This is a follow up of this patch series.
> https://patchwork.kernel.org/cover/10924029/
> [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.
>
> ChangeLog:
> v2->v3:
> * change scu clk into two cells binding
> * add clk pm patches to ease the understand of the changes
> v1->v2:
> * SCU clock changed to one cell clock binding inspired by arm,scpi.txt
> Documentation/devicetree/bindings/arm/arm,scpi.txt
> * Add required power domain property
> * Dropped PATCH 3&4 first, will send the updated version accordingly
> after the binding is finally determined,
>
> Dong Aisheng (11):
> dt-bindings: firmware: imx-scu: new binding to parse clocks from
> device tree
> dt-bindings: clock: imx-lpcg: add support to parse clocks from device
> tree
> clk: imx: scu: add two cells binding support
> clk: imx: scu: bypass cpu power domains
> clk: imx: scu: allow scu clk to take device pointer
> clk: imx: scu: add runtime pm support
> clk: imx: scu: add suspend/resume support
> clk: imx: imx8qxp-lpcg: add parsing clocks from device tree
> clk: imx: lpcg: allow lpcg clk to take device pointer
> clk: imx: clk-imx8qxp-lpcg: add runtime pm support
> clk: imx: lpcg: add suspend/resume support
>
> .../devicetree/bindings/arm/freescale/fsl,scu.txt | 12 +-
> .../devicetree/bindings/clock/imx8qxp-lpcg.txt | 34 +++-
> drivers/clk/imx/clk-imx8qxp-lpcg.c | 103 ++++++++++
> drivers/clk/imx/clk-imx8qxp.c | 9 +-
> drivers/clk/imx/clk-lpcg-scu.c | 41 +++-
> drivers/clk/imx/clk-scu.c | 216 ++++++++++++++++++++-
> drivers/clk/imx/clk-scu.h | 50 ++++-
> include/dt-bindings/firmware/imx/rsrc.h | 17 ++
> 8 files changed, 452 insertions(+), 30 deletions(-)
>
> --
> 2.7.4
>
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next prev parent reply other threads:[~2019-07-25 12:58 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-16 15:00 [PATCH v3 00/11] clk: imx8: add new clock binding for better pm support Dong Aisheng
2019-07-16 15:00 ` [PATCH v3 01/11] dt-bindings: firmware: imx-scu: new binding to parse clocks from device tree Dong Aisheng
2019-08-03 14:42 ` Shawn Guo
2019-08-05 3:48 ` Dong Aisheng
2019-08-19 12:36 ` Daniel Baluta
2019-08-29 10:01 ` Oliver Graute
2019-07-16 15:00 ` [PATCH v3 02/11] dt-bindings: clock: imx-lpcg: add support " Dong Aisheng
2019-08-03 13:50 ` Shawn Guo
2019-08-05 3:27 ` Dong Aisheng
2019-08-12 13:00 ` Shawn Guo
2019-08-12 14:41 ` Aisheng Dong
2019-08-12 15:54 ` Shawn Guo
2019-08-19 12:42 ` Daniel Baluta
2019-07-16 15:00 ` [PATCH v3 03/11] clk: imx: scu: add two cells binding support Dong Aisheng
2019-07-16 15:00 ` [PATCH v3 04/11] clk: imx: scu: bypass cpu power domains Dong Aisheng
2019-07-16 15:00 ` [PATCH v3 05/11] clk: imx: scu: allow scu clk to take device pointer Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 06/11] clk: imx: scu: add runtime pm support Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 07/11] clk: imx: scu: add suspend/resume support Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 08/11] clk: imx: imx8qxp-lpcg: add parsing clocks from device tree Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 09/11] clk: imx: lpcg: allow lpcg clk to take device pointer Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 10/11] clk: imx: clk-imx8qxp-lpcg: add runtime pm support Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 11/11] clk: imx: lpcg: add suspend/resume support Dong Aisheng
2019-07-25 12:48 ` Dong Aisheng [this message]
2019-07-30 11:55 ` [PATCH v3 00/11] clk: imx8: add new clock binding for better pm support Oliver Graute
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