From: Sascha Hauer <sha@pengutronix.de>
To: Trent Piepho <tpiepho@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v2] mtd: nand: Add help text for i.MX NAND controllers
Date: Mon, 31 May 2021 09:14:27 +0200
Message-ID: <20210531071427.GE5211@pengutronix.de> (raw)
In-Reply-To: <20210527083741.789109-1-tpiepho@gmail.com>
On Thu, May 27, 2021 at 01:37:41AM -0700, Trent Piepho wrote:
> There are two different NAND drivers, used for different chips in the
> i.MX range. It's quite confusing as to which to use. Add some help
> text to clarify.
>
> Signed-off-by: Trent Piepho <tpiepho@gmail.com>
> ---
> Changes from V1:
> Add GPMI and NFC names, fix typos.
Applied, thanks
Sascha
>
> drivers/mtd/nand/Kconfig | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
> index 7c9326089..8fb1cedd6 100644
> --- a/drivers/mtd/nand/Kconfig
> +++ b/drivers/mtd/nand/Kconfig
> @@ -32,14 +32,27 @@ config NAND_ALLOW_ERASE_BAD
>
> config NAND_IMX
> bool
> - prompt "i.MX NAND driver"
> + prompt "i.MX21 to 53 NAND driver aka 'mxc', for NFC"
> depends on ARCH_IMX
> + help
> + Support for NAND flash on Freescale/NXP i.MX devices. This is for the
> + "MXC" series: i.MX21/25/27/31/35/51/53.
> +
> + This is not for the "MXS" series i.MX processors (23 & 28), or i.MX6
> + and later, which use the GPMI NAND controller from the MXS series.
> + See the i.MX 'mxs' driver for those chips.
>
> config NAND_MXS
> bool
> select STMP_DEVICE
> - prompt "i.MX23/28/6 NAND driver"
> + prompt "i.MX23/28 & 6+ NAND driver aka 'mxs', for GPMI"
> depends on MXS_APBH_DMA
> + help
> + Support for NAND flash on Freescale/NXP i.MX devices. This is for the
> + "MXS" series: i.MX23/28 and all i.MX6 and later SoCs.
> +
> + This is not for the "MXC" series of i.MX processors in the i.MX21 to
> + i.MX53 range. See the i.MX "mxc" driver for those chips.
>
> config NAND_OMAP_GPMC
> tristate "NAND Flash Support for GPMC based OMAP platforms"
> --
> 2.26.2
>
>
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prev parent reply other threads:[~2021-05-31 7:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-27 8:37 Trent Piepho
2021-05-31 7:14 ` Sascha Hauer [this message]
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