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MTD updates for 4.3-rc1:

Browse source 
SPI NOR
   * reduce virtual address space requirements for fsl-quadspi memory map
   * new fsl-quadspi IP support: imx6ul-qspi and imx7d-qspi
   * add new NOR flash device support
   * add new driver for NXP SPI Flash Interface (SPIFI)
   * stop abusing SPI API structs for non-SPI framework
   * fixup DT table matching for new "jedec,spi-nor" string
 
  NAND
   * brcmnand: fix big endian MIPS macro usage
   * denali: refactor to use devres, dev_*() printing, etc.
   * OMAP ELM: change the module alias to actually be usable
   * pxa3xx_nand: fixup a few command sequencing issues -- both new and old
       - race conditions in the IRQ handler status clearing
       - problems when a bootloader left interrupts pending
       - config issues when overriding the bootloader configuration
   * new flash device support
   * sunxi_nand:
       - optimize timing configuration by calculation, rather than fixed
         fail-safe values
       - use EDO setting from ONFI
   * r852: fix compiler warnings
   * davinci: add 4KB page support
 
  Core
   * oobtest: correct debug print information
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Merge tag 'for-linus-20150901' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "SPI NOR:
   - reduce virtual address space requirements for fsl-quadspi memory map
   - new fsl-quadspi IP support: imx6ul-qspi and imx7d-qspi
   - add new NOR flash device support
   - add new driver for NXP SPI Flash Interface (SPIFI)
   - stop abusing SPI API structs for non-SPI framework
   - fixup DT table matching for new "jedec,spi-nor" string

  NAND:
   - brcmnand: fix big endian MIPS macro usage
   - denali: refactor to use devres, dev_*() printing, etc.
   - OMAP ELM: change the module alias to actually be usable
   - pxa3xx_nand: fixup a few command sequencing issues -- both new and old
      - race conditions in the IRQ handler status clearing
      - problems when a bootloader left interrupts pending
      - config issues when overriding the bootloader configuration
   - new flash device support
   - sunxi_nand:
      - optimize timing configuration by calculation, rather than fixed
        fail-safe values
      - use EDO setting from ONFI
   - r852: fix compiler warnings
   - davinci: add 4KB page support

  Core:
   - oobtest: correct debug print information"

* tag 'for-linus-20150901' of git://git.infradead.org/linux-mtd: (42 commits)
  mtd: mtd_oobtest: Fix the address offset with vary_offset case
  mtd: blkdevs: fix switch-bool compilation warning
  mtd: spi-nor: stop (ab)using struct spi_device_id
  mtd: nand: add Toshiba TC58NVG0S3E to nand_ids table
  mtd: dataflash: Export OF module alias information
  nand: pxa3xx: Increase READ_ID buffer and make the size static
  mtd: nand: pxa3xx-nand: fix random command timeouts
  mtd: nand: pxa3xx_nand: fix early spurious interrupt
  mtd: pxa3xx_nand: add a default chunk size
  mtd: omap_elm: Fix module alias
  mtd: physmap_of: fix null pointer deference when kzalloc returns null
  mtd: nettel: do not ignore mtd_device_register() failure in nettel_init()
  mtd: denali_pci: switch to dev_err()
  mtd: denali_pci: refactor driver using devres API
  mtd: denali_pci: use module_pci_driver() macro
  mtd: denali: hide core part from user in Kconfig
  mtd: spi-nor: add Spansion S25FL204K support
  mtd: spi-nor: Improve Kconfig help text for SPI_FSL_QUADSPI
  mtd: spi-nor: add driver for NXP SPI Flash Interface (SPIFI)
  doc: dt: add documentation for nxp,lpc1773-spifi
  ...
This commit is contained in:
Linus Torvalds 2015-09-02 12:16:24 -07:00
commit 91a247d7d3
23 changed files with 1010 additions and 233 deletions
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3
Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
View file

@ -1,7 +1,8 @@
* Freescale Quad Serial Peripheral Interface(QuadSPI)
Required properties:
- compatible : Should be "fsl,vf610-qspi" or "fsl,imx6sx-qspi"
- compatible : Should be "fsl,vf610-qspi", "fsl,imx6sx-qspi",
"fsl,imx7d-qspi", "fsl,imx6ul-qspi"
- reg : the first contains the register location and length,
the second contains the memory mapping address and length
- reg-names: Should contain the reg names "QuadSPI" and "QuadSPI-memory"

58
Documentation/devicetree/bindings/mtd/nxp-spifi.txt Normal file
View file

@ -0,0 +1,58 @@
* NXP SPI Flash Interface (SPIFI)
NXP SPIFI is a specialized SPI interface for serial Flash devices.
It supports one Flash device with 1-, 2- and 4-bits width in SPI
mode 0 or 3. The controller operates in either command or memory
mode. In memory mode the Flash is accessible from the CPU as
normal memory.
Required properties:
- compatible : Should be "nxp,lpc1773-spifi"
- reg : the first contains the register location and length,
the second contains the memory mapping address and length
- reg-names: Should contain the reg names "spifi" and "flash"
- interrupts : Should contain the interrupt for the device
- clocks : The clocks needed by the SPIFI controller
- clock-names : Should contain the clock names "spifi" and "reg"
Optional properties:
- resets : phandle + reset specifier
The SPI Flash must be a child of the SPIFI node and must have a
compatible property as specified in bindings/mtd/jedec,spi-nor.txt
Optionally it can also contain the following properties.
- spi-cpol : Controller only supports mode 0 and 3 so either
both spi-cpol and spi-cpha should be present or
none of them
- spi-cpha : See above
- spi-rx-bus-width : Used to select how many pins that are used
for input on the controller
See bindings/spi/spi-bus.txt for more information.
Example:
spifi: spifi@40003000 {
compatible = "nxp,lpc1773-spifi";
reg = <0x40003000 0x1000>, <0x14000000 0x4000000>;
reg-names = "spifi", "flash";
interrupts = <30>;
clocks = <&ccu1 CLK_SPIFI>, <&ccu1 CLK_CPU_SPIFI>;
clock-names = "spifi", "reg";
resets = <&rgu 53>;
flash@0 {
compatible = "jedec,spi-nor";
spi-cpol;
spi-cpha;
spi-rx-bus-width = <4>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "data";
reg = <0 0x200000>;
};
};
};