linux-kernel - RE: [PATCH V4 0/9] clk: add imx7ulp clk support

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Message-ID: <AM0PR04MB421169829CFE1A6A32DCC209802B0@AM0PR04MB4211.eurprd04.prod.outlook.com>
Date:   Thu, 26 Jul 2018 01:50:35 +0000
From:   "A.s. Dong" <aisheng.dong@....com>
To:     "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "sboyd@...nel.org" <sboyd@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        Anson Huang <anson.huang@....com>,
        Jacky Bai <ping.bai@....com>, dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V4 0/9] clk: add imx7ulp clk support

Hi Stephen,

Do you have a chance to look at it?
This patch series has been pending for quite a long time without much comments.

Regards
Dong Aisheng

> -----Original Message-----
> From: A.s. Dong
> Sent: Wednesday, July 18, 2018 9:37 PM
> To: linux-clk@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> sboyd@...nel.org; mturquette@...libre.com; shawnguo@...nel.org;
> Anson Huang <anson.huang@....com>; Jacky Bai <ping.bai@....com>; dl-
> linux-imx <linux-imx@....com>; A.s. Dong <aisheng.dong@....com>
> Subject: [PATCH V4 0/9] clk: add imx7ulp clk support
> 
> This is a rebased version of below patch series against latest clk tree.
> [PATCH RESEND V3 0/9] clk: add imx7ulp clk support
> https://lkml.org/lkml/2018/3/16/310
> 
> This patch series intends to add imx7ulp clk support.
> 
> i.MX7ULP Clock functions are under joint control of the System Clock
> Generation (SCG) modules, Peripheral Clock Control (PCC) modules, and
> Core Mode Controller (CMC)1 blocks
> 
> The clocking scheme provides clear separation between M4 domain and A7
> domain. Except for a few clock sources shared between two domains, such
> as the System Oscillator clock, the Slow IRC (SIRC), and and the Fast IRC clock
> (FIRCLK), clock sources and clock management are separated and contained
> within each domain.
> 
> M4 clock management consists of SCG0, PCC0, PCC1, and CMC0 modules.
> A7 clock management consists of SCG1, PCC2, PCC3, and CMC1 modules.
> 
> Note: this series only adds A7 clock domain support as M4 clock domain will
> be handled by M4 seperately.
> 
> Change Log:
> v3->v4:
>  * rebased to latest kernel
>  * make scg and pcc separate nodes according to Rob's suggestion
> 
> v2->v3:
>  * Patch 1 changed on: 1) split normal and gate ops 2) fix the possible racy
>    Others no changes.
> 
> v1->v2:
>  * add enable/disable for the type of CLK_DIVIDER_ZERO_GATE dividers
>  * use clk_hw apis to register clocks
>  * use of_clk_add_hw_provider
>  * split the clocks register process into two parts: early part for possible
>    timers clocks registered by CLK_OF_DECLARE_DRIVER and the later part for
>    the left normal peripheral clocks registered by a platform driver.
> 
> Dong Aisheng (9):
>   clk: clk-divider: add CLK_DIVIDER_ZERO_GATE clk support
>   clk: fractional-divider: add CLK_FRAC_DIVIDER_ZERO_BASED flag support
>   clk: imx: add pllv4 support
>   clk: imx: add pfdv2 support
>   clk: imx: add composite clk support
>   dt-bindings: clock: add imx7ulp clock binding doc
>   clk: imx: make mux parent strings const
>   clk: imx: implement new clk_hw based APIs
>   clk: imx: add imx7ulp clk driver
> 
>  .../devicetree/bindings/clock/imx7ulp-clock.txt    |  87 +++++++++
>  drivers/clk/clk-divider.c                          | 152 +++++++++++++++
>  drivers/clk/clk-fractional-divider.c               |  10 +
>  drivers/clk/imx/Makefile                           |   6 +-
>  drivers/clk/imx/clk-busy.c                         |   2 +-
>  drivers/clk/imx/clk-composite.c                    |  85 +++++++++
>  drivers/clk/imx/clk-fixup-mux.c                    |   2 +-
>  drivers/clk/imx/clk-imx7ulp.c                      | 209 +++++++++++++++++++++
>  drivers/clk/imx/clk-pfdv2.c                        | 201 ++++++++++++++++++++
>  drivers/clk/imx/clk-pllv4.c                        | 182 ++++++++++++++++++
>  drivers/clk/imx/clk.c                              |  22 +++
>  drivers/clk/imx/clk.h                              |  92 ++++++++-
>  include/dt-bindings/clock/imx7ulp-clock.h          | 109 +++++++++++
>  include/linux/clk-provider.h                       |  17 ++
>  14 files changed, 1166 insertions(+), 10 deletions(-)  create mode 100644
> Documentation/devicetree/bindings/clock/imx7ulp-clock.txt
>  create mode 100644 drivers/clk/imx/clk-composite.c  create mode 100644
> drivers/clk/imx/clk-imx7ulp.c  create mode 100644 drivers/clk/imx/clk-
> pfdv2.c  create mode 100644 drivers/clk/imx/clk-pllv4.c  create mode 100644
> include/dt-bindings/clock/imx7ulp-clock.h
> 
> --
> 2.7.4