From: Brian Norris <computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Javier Martinez Canillas"
<javier-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>,
"Rafał Miłecki" <zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"Brian Norris"
<computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 3/3] doc: dt: mtd: stop referring to driver code for spi-nor IDs
Date: Mon, 16 Nov 2015 14:34:52 -0800 [thread overview]
Message-ID: <1447713292-91525-4-git-send-email-computersforpeace@gmail.com> (raw)
In-Reply-To: <1447713292-91525-1-git-send-email-computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Pull the supported chip names from drivers/mtd/devices/m25p80.c and stop
pointing readers to Linux code.
Also (although I see this habit repeated throughout the
Documentation/devicetree/bindings/ tree), stop using the title "driver"
in this file, when we're trying explicitly to describe hardware, not
software.
Signed-off-by: Brian Norris <computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
---
.../devicetree/bindings/mtd/jedec,spi-nor.txt | 56 ++++++++++++++++++++--
1 file changed, 51 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt
index 2bee68103b01..2c91c03e7eb0 100644
--- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt
+++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt
@@ -1,15 +1,61 @@
-* MTD SPI driver for ST M25Pxx (and similar) serial flash chips
+* SPI NOR flash: ST M25Pxx (and similar) serial flash chips
Required properties:
- #address-cells, #size-cells : Must be present if the device has sub-nodes
representing partitions.
- compatible : May include a device-specific string consisting of the
- manufacturer and name of the chip. Bear in mind the DT binding
- is not Linux-only, but in case of Linux, see the "m25p_ids"
- table in drivers/mtd/devices/m25p80.c for the list of supported
- chips.
+ manufacturer and name of the chip. A list of supported chip
+ names follows.
Must also include "jedec,spi-nor" for any SPI NOR flash that can
be identified by the JEDEC READ ID opcode (0x9F).
+
+ Supported chip names:
+ at25df321a
+ at25df641
+ at26df081a
+ mr25h256
+ mx25l4005a
+ mx25l1606e
+ mx25l6405d
+ mx25l12805d
+ mx25l25635e
+ n25q064
+ n25q128a11
+ n25q128a13
+ n25q512a
+ s25fl256s1
+ s25fl512s
+ s25sl12801
+ s25fl008k
+ s25fl064k
+ sst25vf040b
+ m25p40
+ m25p80
+ m25p16
+ m25p32
+ m25p64
+ m25p128
+ w25x80
+ w25x32
+ w25q32
+ w25q32dw
+ w25q80bl
+ w25q128
+ w25q256
+
+ The following chip names have been used historically to
+ designate quirky versions of flash chips that do not support the
+ JEDEC READ ID opcode (0x9F):
+ m25p05-nonjedec
+ m25p10-nonjedec
+ m25p20-nonjedec
+ m25p40-nonjedec
+ m25p80-nonjedec
+ m25p16-nonjedec
+ m25p32-nonjedec
+ m25p64-nonjedec
+ m25p128-nonjedec
+
- reg : Chip-Select number
- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at
--
2.6.0.rc2.230.g3dd15c0
--
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next prev parent reply other threads:[~2015-11-16 22:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-16 22:34 [PATCH 0/3] mtd: m25p80: fix some module and documentation issues Brian Norris
[not found] ` <1447713292-91525-1-git-send-email-computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-11-16 22:34 ` Brian Norris [this message]
[not found] ` <1447713292-91525-4-git-send-email-computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-11-16 23:16 ` [PATCH 3/3] doc: dt: mtd: stop referring to driver code for spi-nor IDs Rob Herring
2015-11-17 14:04 ` Javier Martinez Canillas
[not found] ` <564B3407.2020403-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>
2015-11-18 19:43 ` Brian Norris
[not found] ` <20151118194340.GF140057-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2015-11-18 20:23 ` Javier Martinez Canillas
2015-11-20 0:48 ` [PATCH 0/3] mtd: m25p80: fix some module and documentation issues Brian Norris
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