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Date:   Fri, 7 Jan 2022 12:08:39 +0800
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Subject: Re: [PATCH] mtd: rawnand: meson: fix the clock after discarding
 sd_emmc_c_clkc
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From:   Liang Yang <liang.yang@amlogic.com>
To:     Miquel Raynal <miquel.raynal@bootlin.com>
CC:     <linux-mtd@lists.infradead.org>,
        Richard Weinberger <richard@nod.at>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Jianxin Pan <jianxin.pan@amlogic.com>,
        Victor Wan <victor.wan@amlogic.com>,
        XianWei Zhao <xianwei.zhao@amlogic.com>,
        Kelvin Zhang <kelvin.zhang@amlogic.com>,
        BiChao Zheng <bichao.zheng@amlogic.com>,
        YongHui Yu <yonghui.yu@amlogic.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-amlogic@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>
References: <20220106032504.23310-1-liang.yang@amlogic.com>
 <20220106090832.42225c49@xps13>
 <9c7b1d77-cff1-b40c-6d02-f67ca8b9b683@amlogic.com>
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Hi Miquel,

refine the clock framework diagram.

On 2022/1/7 10:40, Liang Yang wrote:
>> What is nand_divider?
> i simplify our clock framework below, so nand divider is 
> SD_EMMC_CLOCK[5:0] here.
>                 -----          -----            -----
>         the other------|    \        |     |       |     |
>                     | mux    | -----  |  N  | ----------| NFC/|
>         FCLK_DIV2------|     |        |     |       | EMMC|
>                 -----/         -----         -----
>              SD_EMMC_CLOCK[7:6] SD_EMMC_CLOCK[5:0]


                          -----           -------         --------
               the other-|      \        |       |       |        |
                         | mux  |--------|  N    |-------|   NFC/ |
                         |      |        |       |       |   EMMC |
               fclk_div2-|      /        |       |       |        |
                          -----           -------         --------
                   SD_EMMC_CLOCK[7:6]   SD_EMMC_CLOCK[5:0]