Re: [PATCH V4 0/4] clk: imx: imx8m: introduce imx8m_clk_hw_composite_core

[Leonard Crestez]

On 28.01.2020 07:28, Peng Fan wrote:
> From: Peng Fan <peng.fan@xxxxxxx>

Reviewed-by: Leonard Crestez <leonard.crestez@xxxxxxx>

> V4:
>   Per Leonard's comments, added new definitions and  _SRC/CG/DIV are
>   alias to the new definition.
>   Did boot test on i.MX8MQ/M/N-EVK
> 
> V3:
>   Add CLK_SET_RATE_NO_REPARENT and CLK_OPS_PARENT_ENABLE for core
>   Avoid break DT for i.MX8MQ
> 
> V2:
>   Rename imx8m_clk_hw_core_composite to imx8m_clk_hw_composite_core
>   Add Abel's tag
> 
> To i.MX8M family, there are different types of clock slices,
> bus/core/ip and etc. Currently, the imx8m_clk_hw_composite
> api could only handle bus and ip clock slice, it could
> not handle core slice. The difference is core slice not have
> pre divider and the width of post divider is 3 bits.
> 
> To simplify code and reuse imx8m_clk_hw_composite, introduce a
> flag IMX_COMPOSITE_CORE to differentiate the slices.
> 
> With this new helper, we could simplify i.MX8M SoC clk drivers.
> 
> 
> Peng Fan (4):
>    clk: imx: composite-8m: add imx8m_clk_hw_composite_core
>    clk: imx: imx8mq: use imx8m_clk_hw_composite_core
>    clk: imx: imx8mm: use imx8m_clk_hw_composite_core
>    clk: imx: imx8mn: use imx8m_clk_hw_composite_core
> 
>   drivers/clk/imx/clk-composite-8m.c       | 18 ++++++++++++----
>   drivers/clk/imx/clk-imx8mm.c             | 35 +++++++++++++++++++-------------
>   drivers/clk/imx/clk-imx8mn.c             | 19 +++++++++--------
>   drivers/clk/imx/clk-imx8mq.c             | 34 +++++++++++++++++--------------
>   drivers/clk/imx/clk.h                    | 13 ++++++++++--
>   include/dt-bindings/clock/imx8mm-clock.h |  7 ++++++-
>   include/dt-bindings/clock/imx8mn-clock.h |  5 ++++-
>   include/dt-bindings/clock/imx8mq-clock.h |  7 ++++++-
>   8 files changed, 92 insertions(+), 46 deletions(-)
>