[PATCH V2 00/10] clk: add imx7ulp clk support

Dong Aisheng dongas86 at gmail.com
Mon Sep 11 00:25:39 PDT 2017


Hi Stephen,

On Thu, Jul 13, 2017 at 07:47:05PM +0800, Dong Aisheng wrote:
> 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:
> 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.

Would you please help review this new series when you're free?

This has been pending for a long time.

Regards
Dong Aisheng

> 
> Dong Aisheng (10):
>   clk: clk-divider: add CLK_DIVIDER_ZERO_GATE clk support
>   clk: reparent orphans after critical clocks enabled
>   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    |  62 ++++++
>  drivers/clk/clk-divider.c                          | 100 ++++++++-
>  drivers/clk/clk-fractional-divider.c               |  10 +
>  drivers/clk/clk.c                                  |  39 ++--
>  drivers/clk/imx/Makefile                           |   6 +-
>  drivers/clk/imx/clk-busy.c                         |   2 +-
>  drivers/clk/imx/clk-composite.c                    |  90 ++++++++
>  drivers/clk/imx/clk-fixup-mux.c                    |   2 +-
>  drivers/clk/imx/clk-imx7ulp.c                      | 245 +++++++++++++++++++++
>  drivers/clk/imx/clk-pfdv2.c                        | 207 +++++++++++++++++
>  drivers/clk/imx/clk-pllv4.c                        | 188 ++++++++++++++++
>  drivers/clk/imx/clk.c                              |  22 ++
>  drivers/clk/imx/clk.h                              |  92 +++++++-
>  include/dt-bindings/clock/imx7ulp-clock.h          | 108 +++++++++
>  include/linux/clk-provider.h                       |  17 ++
>  15 files changed, 1159 insertions(+), 31 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
> 



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