[PATCH v9 3/9] mtd: spi-nor-core: Add support for Read/Write Any Register

Jagan Teki jagan at amarulasolutions.com
Tue Jun 29 15:39:58 CEST 2021


On Tue, Jun 29, 2021 at 11:31 AM <tkuw584924 at gmail.com> wrote:
>
> From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
>
> Some of Spansion/Cypress chips support Read/Write Any Register commands.
> These commands are mainly used to write volatile registers and access to
> the registers in second and subsequent die for multi-die package parts.
>
> The Read Any Register instruction (65h) is followed by register address
> and dummy cycles, then the selected register byte is returned.
>
> The Write Any Register instruction (71h) is followed by register address
> and register byte to write.
>
> Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
> Reviewed-by: Pratyush Yadav <p.yadav at ti.com>
> ---

Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>


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