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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-06 22:15:41 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-06 22:15:41 +0300 |
commit | 3fd14cdcc05a682b03743683ce3a726898b20555 (patch) | |
tree | d9f1a1f18d8a4168dec47d85397f36eae7f61633 /Documentation | |
parent | 83c7c18b169bdac3dabab763d16549c1e4688a8b (diff) | |
parent | fe5f31a8010a0cb13e72cfb72905fefa2a41730c (diff) | |
download | linux-3fd14cdcc05a682b03743683ce3a726898b20555.tar.xz |
Merge tag 'mtd/for-4.17' of git://git.infradead.org/linux-mtd
Pull MTD updates from Boris Brezillon:
"MTD Core:
- Remove support for asynchronous erase (not implemented by any of
the existing drivers anyway)
- Remove Cyrille from the list of SPI NOR and MTD maintainers
- Fix kernel doc headers
- Allow users to define the partitions parsers they want to test
through a DT property (compatible of the partitions subnode)
- Remove the bfin-async-flash driver (the only architecture using it
has been removed)
- Fix pagetest test
- Add extra checks in mtd_erase()
- Simplify the MTD partition creation logic and get rid of
mtd_add_device_partitions()
MTD Drivers:
- Add endianness information to the physmap DT binding
- Add Eon EN29LV400A IDs to JEDEC probe logic
- Use %*ph where appropriate
SPI NOR Drivers:
- Make fsl-quaspi assign different names to MTD devices connected to
the same QSPI controller
- Remove an unneeded driver.bus assigned in the fsl-qspi driver
NAND Core:
- Prepare arrival of the SPI NAND subsystem by implementing a generic
(interface-agnostic) layer to ease manipulation of NAND devices
- Move onenand code base to the drivers/mtd/nand/ dir
- Rework timing mode selection
- Provide a generic way for NAND chip drivers to flag a specific
GET/SET FEATURE operation as supported/unsupported
- Stop embedding ONFI/JEDEC param page in nand_chip
NAND Drivers:
- Rework/cleanup of the mxc driver
- Various cleanups in the vf610 driver
- Migrate the fsmc and vf610 to ->exec_op()
- Get rid of the pxa driver (replaced by marvell_nand)
- Support ->setup_data_interface() in the GPMI driver
- Fix probe error path in several drivers
- Remove support for unused hw_syndrome mode in sunxi_nand
- Various minor improvements"
* tag 'mtd/for-4.17' of git://git.infradead.org/linux-mtd: (89 commits)
dt-bindings: fsl-quadspi: Add the example of two SPI NOR
mtd: fsl-quadspi: Distinguish the mtd device names
mtd: nand: Fix some function description mismatches in core.c
mtd: fsl-quadspi: Remove unneeded driver.bus assignment
mtd: rawnand: marvell: Rename ->ecc_clk into ->core_clk
mtd: rawnand: s3c2410: enhance the probe function error path
mtd: rawnand: tango: fix probe function error path
mtd: rawnand: sh_flctl: fix the probe function error path
mtd: rawnand: omap2: fix the probe function error path
mtd: rawnand: mxc: fix probe function error path
mtd: rawnand: denali: fix probe function error path
mtd: rawnand: davinci: fix probe function error path
mtd: rawnand: cafe: fix probe function error path
mtd: rawnand: brcmnand: fix probe function error path
mtd: rawnand: sunxi: Stop supporting ECC_HW_SYNDROME mode
mtd: rawnand: marvell: Fix clock resource by adding a register clock
mtd: ftl: Use DIV_ROUND_UP()
mtd: Fix some function description mismatches in mtdcore.c
mtd: physmap_of: update struct map_info's swap as per map requirement
dt-bindings: mtd-physmap: Add endianness supports
...
Diffstat (limited to 'Documentation')
7 files changed, 44 insertions, 10 deletions
diff --git a/Documentation/arm/Samsung-S3C24XX/S3C2412.txt b/Documentation/arm/Samsung-S3C24XX/S3C2412.txt index f057876b920b..dc1fd362d3c1 100644 --- a/Documentation/arm/Samsung-S3C24XX/S3C2412.txt +++ b/Documentation/arm/Samsung-S3C24XX/S3C2412.txt @@ -46,7 +46,7 @@ NAND ---- The NAND hardware is similar to the S3C2440, and is supported by the - s3c2410 driver in the drivers/mtd/nand directory. + s3c2410 driver in the drivers/mtd/nand/raw directory. USB Host diff --git a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt index 63d4d626fbd5..483e9cfac1b1 100644 --- a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt +++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt @@ -39,3 +39,27 @@ qspi0: quadspi@40044000 { .... }; }; + +Example showing the usage of two SPI NOR devices: + +&qspi2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_qspi2>; + status = "okay"; + + flash0: n25q256a@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "micron,n25q256a", "jedec,spi-nor"; + spi-max-frequency = <29000000>; + reg = <0>; + }; + + flash1: n25q256a@1 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "micron,n25q256a", "jedec,spi-nor"; + spi-max-frequency = <29000000>; + reg = <1>; + }; +}; diff --git a/Documentation/devicetree/bindings/mtd/marvell-nand.txt b/Documentation/devicetree/bindings/mtd/marvell-nand.txt index c08fb477b3c6..e0c790706b9b 100644 --- a/Documentation/devicetree/bindings/mtd/marvell-nand.txt +++ b/Documentation/devicetree/bindings/mtd/marvell-nand.txt @@ -14,7 +14,10 @@ Required properties: - #address-cells: shall be set to 1. Encode the NAND CS. - #size-cells: shall be set to 0. - interrupts: shall define the NAND controller interrupt. -- clocks: shall reference the NAND controller clock. +- clocks: shall reference the NAND controller clocks, the second one is + is only needed for the Armada 7K/8K SoCs +- clock-names: mandatory if there is a second clock, in this case there + should be one clock named "core" and another one named "reg" - marvell,system-controller: Set to retrieve the syscon node that handles NAND controller related registers (only required with the "marvell,armada-8k-nand[-controller]" compatibles). diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt index 4a0a48bf4ecb..232fa12e90ef 100644 --- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt +++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt @@ -41,6 +41,13 @@ additional (optional) property is defined: - erase-size : The chip's physical erase block size in bytes. + The device tree may optionally contain endianness property. + little-endian or big-endian : It Represents the endianness that should be used + by the controller to properly read/write data + from/to the flash. If this property is missing, + the endianness is chosen by the system + (potentially based on extra configuration options). + The device tree may optionally contain sub-nodes describing partitions of the address space. See partition.txt for more detail. diff --git a/Documentation/devicetree/bindings/mtd/sunxi-nand.txt b/Documentation/devicetree/bindings/mtd/sunxi-nand.txt index 5e13a5cdff03..0734f03bf3d3 100644 --- a/Documentation/devicetree/bindings/mtd/sunxi-nand.txt +++ b/Documentation/devicetree/bindings/mtd/sunxi-nand.txt @@ -24,8 +24,8 @@ Optional properties: - allwinner,rb : shall contain the native Ready/Busy ids. or - rb-gpios : shall contain the gpios used as R/B pins. -- nand-ecc-mode : one of the supported ECC modes ("hw", "hw_syndrome", "soft", - "soft_bch" or "none") +- nand-ecc-mode : one of the supported ECC modes ("hw", "soft", "soft_bch" or + "none") see Documentation/devicetree/bindings/mtd/nand.txt for generic bindings. diff --git a/Documentation/driver-api/gpio/drivers-on-gpio.rst b/Documentation/driver-api/gpio/drivers-on-gpio.rst index 019483868977..7da0c1dd1f7a 100644 --- a/Documentation/driver-api/gpio/drivers-on-gpio.rst +++ b/Documentation/driver-api/gpio/drivers-on-gpio.rst @@ -75,8 +75,8 @@ hardware descriptions such as device tree or ACPI: it from 1-to-0-to-1. If that hardware does not receive its "ping" periodically, it will reset the system. -- gpio-nand: drivers/mtd/nand/gpio.c is used to connect a NAND flash chip to - a set of simple GPIO lines: RDY, NCE, ALE, CLE, NWP. It interacts with the +- gpio-nand: drivers/mtd/nand/raw/gpio.c is used to connect a NAND flash chip + to a set of simple GPIO lines: RDY, NCE, ALE, CLE, NWP. It interacts with the NAND flash MTD subsystem and provides chip access and partition parsing like any other NAND driving hardware. diff --git a/Documentation/driver-api/mtdnand.rst b/Documentation/driver-api/mtdnand.rst index 2a5191b6d445..dcd63599f700 100644 --- a/Documentation/driver-api/mtdnand.rst +++ b/Documentation/driver-api/mtdnand.rst @@ -967,10 +967,10 @@ API functions which are exported. Each function has a short description which is marked with an [XXX] identifier. See the chapter "Documentation hints" for an explanation. -.. kernel-doc:: drivers/mtd/nand/nand_base.c +.. kernel-doc:: drivers/mtd/nand/raw/nand_base.c :export: -.. kernel-doc:: drivers/mtd/nand/nand_ecc.c +.. kernel-doc:: drivers/mtd/nand/raw/nand_ecc.c :export: Internal Functions Provided @@ -982,10 +982,10 @@ marked with an [XXX] identifier. See the chapter "Documentation hints" for an explanation. The functions marked with [DEFAULT] might be relevant for a board driver developer. -.. kernel-doc:: drivers/mtd/nand/nand_base.c +.. kernel-doc:: drivers/mtd/nand/raw/nand_base.c :internal: -.. kernel-doc:: drivers/mtd/nand/nand_bbt.c +.. kernel-doc:: drivers/mtd/nand/raw/nand_bbt.c :internal: Credits |