Merge tag 'mtd/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Richard Weinberger:
 "MTD core changes:
   - add debugfs nodes for querying the flash name and id
   - mtd parser reorganization

  SPI NOR core changes:
   - always use bounce buffer for register read/writes
   - move m25p80 code in spi-nor.c
   - rework hwcaps selection for the spi-mem case
   - rework the core in order to move the manufacturer specific code out
     of it:
       - regroup flash parameters in 'struct spi_nor_flash_parameter'
       - add default_init() and post_sfdp() hooks to tweak the flash
         parameters
       - introduce the ->set_4byte(), ->convert_addr() and ->setup()
         methods, to deal with manufacturer specific code
       - rework the SPI NOR lock/unlock logic
   - fix an error code in spi_nor_read_raw()
   - fix a memory leak bug
   - enable the debugfs for the partname and partid
   - add support for few flashes

  SPI NOR controller drivers changes:
   - intel-spi:
       - Whitelist 4B read commands
       - Add support for Intel Tiger Lake SPI serial flash
   - aspeed-smc: Add of_node_put()
   - hisi-sfc: add of_node_put()
   - cadence-quadspi: Fix QSPI RCU Schedule Stall

  NAND core:
   - Fixing typos
   - Adding missing of_node_put() in various drivers

  Raw NAND controller drivers:
   - Macronix: new controller driver
   - Omap2: fix the number of bitflips returned
   - Brcmnand: fix a pointer not iterating over all the page chunks
   - W90x900: driver removed
   - Onenand: fix a memory leak
   - Sharpsl: missing include guard
   - STM32: avoid warnings when building with W=1
   - Ingenic: fix a coccinelle warning
   - r852: call a helper to simplify the code

  CFI core:
   - Kill useless initializer in mtd_do_chip_probe()
   - Fix a rare write failure seen on some cfi_cmdset_0002 compliant
     Parallel NORs
   - Bunch of cleanups for cfi_cmdset_0002 driver's write functions by
     Tokunori Ikegami"

* tag 'mtd/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (77 commits)
  mtd: pmc551: Remove set but not used variable 'soff_lo'
  mtd: cfi_cmdset_0002: Fix do_erase_chip() to get chip as erasing mode
  mtd: sm_ftl: Fix memory leak in sm_init_zone() error path
  mtd: parsers: Move CMDLINE parser
  mtd: parsers: Move OF parser
  mtd: parsers: Move BCM63xx parser
  mtd: parsers: Move BCM47xx parser
  mtd: parsers: Move TI AR7 parser
  mtd: pismo: Simplify getting the adapter of a client
  mtd: phram: Module parameters add writable permissions
  mtd: pxa2xx: Use ioremap_cache insted of ioremap_cached
  mtd: spi-nor: Rename "n25q512a" to "mt25qu512a (n25q512a)"
  mtd: spi-nor: Add support for mt35xu02g
  mtd: rawnand: omap2: Fix number of bitflips reporting with ELM
  mtd: rawnand: brcmnand: Fix ecc chunk calculation for erased page bitfips
  mtd: spi-nor: remove superfluous pass of nor->info->sector_size
  mtd: spi-nor: enable the debugfs for the partname and partid
  mtd: mtdcore: add debugfs nodes for querying the flash name and id
  mtd: spi-nor: hisi-sfc: Add of_node_put() before break
  mtd: spi-nor: aspeed-smc: Add of_node_put()
  ...

1 files changed, 36 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mtd/mxic-nand.txt b/Documentation/devicetree/bindings/mtd/mxic-nand.txt
new file mode 100644
index 000000000000..46c55295a3e6
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/mxic-nand.txt
@@ -0,0 +1,36 @@
+Macronix Raw NAND Controller Device Tree Bindings
+-------------------------------------------------
+
+Required properties:
+- compatible: should be "mxic,multi-itfc-v009-nand-controller"
+- reg: should contain 1 entry for the registers
+- #address-cells: should be set to 1
+- #size-cells: should be set to 0
+- interrupts: interrupt line connected to this raw NAND controller
+- clock-names: should contain "ps", "send" and "send_dly"
+- clocks: should contain 3 phandles for the "ps", "send" and
+	 "send_dly" clocks
+
+Children nodes:
+- children nodes represent the available NAND chips.
+
+See Documentation/devicetree/bindings/mtd/nand-controller.yaml
+for more details on generic bindings.
+
+Example:
+
+	nand: nand-controller@43c30000 {
+		compatible = "mxic,multi-itfc-v009-nand-controller";
+		reg = <0x43c30000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <GIC_SPI 0x1d IRQ_TYPE_EDGE_RISING>;
+		clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 15>;
+		clock-names = "send", "send_dly", "ps";
+
+		nand@0 {
+			reg = <0>;
+			nand-ecc-mode = "soft";
+			nand-ecc-algo = "bch";
+		};
+	};