[PATCH v9 1/5] dt-bindings: nand: meson: fix meson nfc clock

Miquel Raynal miquel.raynal at bootlin.com
Tue Sep 20 01:33:32 PDT 2022


On Wed, 2022-09-07 at 08:04:01 UTC, Liang Yang wrote:
> EMMC and NAND have the same clock control register named 'SD_EMMC_CLOCK'
> which is defined in EMMC port internally. bit0~5 of 'SD_EMMC_CLOCK' is
> the divider and bit6~7 is the mux for fix pll and xtal. At the beginning,
> a common MMC and NAND sub-clock was discussed and planed to be implemented
> as NFC clock provider, but now this series of patches of a common MMC and
> NAND sub-clock are never being accepted and the current binding was never
> valid. the reasons for giving up are:
> 1. EMMC and NAND, which are mutually exclusive anyway
> 2. coupling the EMMC and NAND.
> 3. it seems that a common MMC and NAND sub-clock is over engineered.
> and let us see the link fot more information:
> https://lore.kernel.org/all/20220121074508.42168-5-liang.yang@amlogic.com
> so The meson nfc can't work now, let us rework the clock.
> 
> Acked-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Liang Yang <liang.yang at amlogic.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel



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