[PATCH v3 3/5] dt-bindings: mtd: denali_dt: document reset property

Miquel Raynal miquel.raynal at bootlin.com
Tue Jan 14 09:06:07 PST 2020


On Fri, 2019-12-20 at 11:31:53 UTC, Masahiro Yamada wrote:
> According to the Denali NAND Flash Memory Controller User's Guide,
> this IP has two reset signals.
> 
>   rst_n:     reset most of FFs in the controller core
>   reg_rst_n: reset all FFs in the register interface, and in the
>              initialization sequencer
> 
> This commit specifies these reset signals.
> 
> It is possible to control them separately from the IP point of view
> although they might be often tied up together in actual SoC integration.
> 
> At least for the upstream platforms, Altera/Intel SOCFPGA and Socionext
> UniPhier, the reset controller seems to provide only 1-bit control for
> the NAND controller. If it is the case, the resets property should
> reference to the same phandles for "nand" and "reg" resets, like this:
> 
>     resets = <&nand_rst>, <&nand_rst>;
>     reset-names = "nand", "reg";
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> Acked-by: Rob Herring <robh at kernel.org>

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

Miquel



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