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[97.113.152.155]) by smtp.gmail.com with ESMTPSA id f3sm1338997pjo.3.2021.05.27.01.37.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 May 2021 01:37:52 -0700 (PDT) From: Trent Piepho To: barebox@lists.infradead.org Cc: Trent Piepho Date: Thu, 27 May 2021 01:37:41 -0700 Message-Id: <20210527083741.789109-1-tpiepho@gmail.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210527_013754_896825_D65725D0 X-CRM114-Status: GOOD ( 12.12 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.3 required=4.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2] mtd: nand: Add help text for i.MX NAND controllers X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) 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 --- Changes from V1: Add GPMI and NFC names, fix typos. 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox