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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-03 02:32:52 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-03 02:32:52 +0200
commitbef7b2a7be28638770972ab2709adf11d601c11a (patch)
treec6608ceca8e2f36ec6e4ccf9a46959a88036a8ef /Documentation/devicetree/bindings/mtd/denali-nand.txt
parentMerge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi (diff)
parentMAINTAINERS: drop an old reference to stm32 pwm timers doc (diff)
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Merge tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring: - Unit test for overlays with GPIO hogs - Improve dma-ranges parsing to handle dma-ranges with multiple entries - Update dtc to upstream version v1.6.0-2-g87a656ae5ff9 - Improve overlay error reporting - Device link support for power-domains and hwlocks bindings - Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida, PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and ITE Tech - Add deprecated Marvell vendor prefix 'mrvl' - A bunch of binding conversions to DT schema continues. Of note, the common serial and USB connector bindings are converted. - Add more Arm CPU compatibles - Drop Mark Rutland as DT maintainer :( * tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (106 commits) MAINTAINERS: drop an old reference to stm32 pwm timers doc MAINTAINERS: dt: update etnaviv file reference dt-bindings: usb: dwc2: fix bindings for amlogic, meson-gxbb-usb dt-bindings: uniphier-system-bus: fix warning in the example dt-bindings: display: meson-vpu: fix indentation of reg-names' "items" dt-bindings: iio: Fix adi, ltc2983 uint64-matrix schema constraints dt-bindings: power: Fix example for power-domain dt-bindings: arm: Add some constraints for PSCI nodes of: some unittest overlays not untracked of: gpio unittest kfree() wrong object dt-bindings: phy: convert phy-rockchip-inno-usb2 bindings to yaml dt-bindings: serial: sh-sci: Convert to json-schema dt-bindings: serial: Document serialN aliases dt-bindings: thermal: tsens: Set 'additionalProperties: false' dt-bindings: thermal: tsens: Fix nvmem-cell-names schema dt-bindings: vendor-prefixes: Add Beacon vendor prefix dt-bindings: vendor-prefixes: Add Topwise of: of_private.h: Replace zero-length array with flexible-array member docs: dt: fix a broken reference to input.yaml docs: dt: fix references to ap806-system-controller.txt ...
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-* Denali NAND controller
-
-Required properties:
- - compatible : should be one of the following:
- "altr,socfpga-denali-nand" - for Altera SOCFPGA
- "socionext,uniphier-denali-nand-v5a" - for Socionext UniPhier (v5a)
- "socionext,uniphier-denali-nand-v5b" - for Socionext UniPhier (v5b)
- - reg : should contain registers location and length for data and reg.
- - reg-names: Should contain the reg names "nand_data" and "denali_reg"
- - #address-cells: should be 1. The cell encodes the chip select connection.
- - #size-cells : should be 0.
- - interrupts : The interrupt number.
- - clocks: should contain phandle of the controller core clock, the bus
- interface clock, and the ECC circuit clock.
- - clock-names: should contain "nand", "nand_x", "ecc"
-
-Optional properties:
- - resets: may contain phandles to the controller core reset, the register
- reset
- - reset-names: may contain "nand", "reg"
-
-Sub-nodes:
- Sub-nodes represent available NAND chips.
-
- Required properties:
- - reg: should contain the bank ID of the controller to which each chip
- select is connected.
-
- Optional properties:
- - nand-ecc-step-size: see nand-controller.yaml for details.
- If present, the value must be
- 512 for "altr,socfpga-denali-nand"
- 1024 for "socionext,uniphier-denali-nand-v5a"
- 1024 for "socionext,uniphier-denali-nand-v5b"
- - nand-ecc-strength: see nand-controller.yaml for details. Valid values are:
- 8, 15 for "altr,socfpga-denali-nand"
- 8, 16, 24 for "socionext,uniphier-denali-nand-v5a"
- 8, 16 for "socionext,uniphier-denali-nand-v5b"
- - nand-ecc-maximize: see nand-controller.yaml for details
-
-The chip nodes may optionally contain sub-nodes describing partitions of the
-address space. See partition.txt for more detail.
-
-Examples:
-
-nand: nand@ff900000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "altr,socfpga-denali-nand";
- reg = <0xff900000 0x20>, <0xffb80000 0x1000>;
- reg-names = "nand_data", "denali_reg";
- clocks = <&nand_clk>, <&nand_x_clk>, <&nand_ecc_clk>;
- clock-names = "nand", "nand_x", "ecc";
- resets = <&nand_rst>, <&nand_reg_rst>;
- reset-names = "nand", "reg";
- interrupts = <0 144 4>;
-
- nand@0 {
- reg = <0>;
- }
-};