linux-kernel - Re: [PATCH v2 02/18] clk: intel: Add clock driver for Intel MIPS SoCs

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Date:   Mon, 6 Aug 2018 09:19:59 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Songjun Wu <songjun.wu@...ux.intel.com>
Cc:     hua.ma@...ux.intel.com, yixin zhu <yixin.zhu@...ux.intel.com>,
        chuanhua.lei@...ux.intel.com, qi-ming.wu@...el.com,
        Linux-MIPS <linux-mips@...ux-mips.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        devicetree@...r.kernel.org,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v2 02/18] clk: intel: Add clock driver for Intel MIPS SoCs

On Thu, Aug 2, 2018 at 9:03 PM Songjun Wu <songjun.wu@...ux.intel.com> wrote:
>
> From: Yixin Zhu <yixin.zhu@...ux.intel.com>
>
> This driver provides PLL clock registration as well as various clock
> branches, e.g. MUX clock, gate clock, divider clock and so on.
>
> PLLs that provide clock to DDR, CPU and peripherals are shown below:
>
>                  +---------+
>             |--->| LCPLL3 0|--PCIe clk-->
>    XO       |    +---------+
> +-----------|
>             |    +---------+
>             |    |        3|--PAE clk-->
>             |--->| PLL0B  2|--GSWIP clk-->
>             |    |        1|--DDR clk-->DDR PHY clk-->
>             |    |        0|--CPU1 clk--+   +-----+
>             |    +---------+            |--->0    |
>             |                               | MUX |--CPU clk-->
>             |    +---------+            |--->1    |
>             |    |        0|--CPU0 clk--+   +-----+
>             |--->| PLLOA  1|--SSX4 clk-->
>                  |        2|--NGI clk-->
>                  |        3|--CBM clk-->
>                  +---------+
>
> Signed-off-by: Yixin Zhu <yixin.zhu@...ux.intel.com>
> Signed-off-by: Songjun Wu <songjun.wu@...ux.intel.com>
> ---
>
> Changes in v2:
> - Rewrite clock driver, add platform clock description details in
>   clock driver.
>
>  drivers/clk/Kconfig                          |   1 +
>  drivers/clk/Makefile                         |   3 +
>  drivers/clk/intel/Kconfig                    |  20 ++
>  drivers/clk/intel/Makefile                   |   7 +
>  drivers/clk/intel/clk-cgu-pll.c              | 166 ++++++++++
>  drivers/clk/intel/clk-cgu-pll.h              |  34 ++
>  drivers/clk/intel/clk-cgu.c                  | 470 +++++++++++++++++++++++++++
>  drivers/clk/intel/clk-cgu.h                  | 259 +++++++++++++++
>  drivers/clk/intel/clk-grx500.c               | 168 ++++++++++

>  include/dt-bindings/clock/intel,grx500-clk.h |  69 ++++

This belongs with the clk binding patch.

Rob