diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-26 02:05:08 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-26 02:05:08 +0300 |
commit | 2e3036a2642b6145a8117d21514bfc5f8d5ea595 (patch) | |
tree | 69aa0a5eb1bbf8113bdbd2257dda1d5476318b92 /Documentation/devicetree | |
parent | 60e2bf7d10e9cd5641f4a5183a19058d9a2c8782 (diff) | |
parent | f4440abc08917d9a7032abb8a6a5d4b36ca979b6 (diff) | |
download | linux-2e3036a2642b6145a8117d21514bfc5f8d5ea595.tar.xz |
Merge tag 'mtd/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD changes:
- parsers: ofpart: add workaround for #size-cells 0
- dt-bindings: partitions: Fix partition node name pattern
- dataflash: remove duplicate SPI ID table
Raw NAND core changes:
- Check the data only read pattern only once
- Prepare the late addition of supported operation checks
- Support for sequential cache reads
- Fix nand_chip kdoc
Raw NAND driver changes:
- Fsl_elbc: Propagate HW ECC settings to HW
- Marvell: Add missing layouts
- Pasemi: Don't use static data to track per-device state
- Sunxi:
- Fix the size of the last OOB region
- Remove an unnecessary check
- Remove an unnecessary check
- Clean up chips after failed init
- Precompute the ECC_CTL register value
- Embed sunxi_nand_hw_ecc by value
- Update OOB layout to match hardware
- tmio_nand: Remove driver
- vf610_nfc: Use regular comments for functions
SPI-NAND driver changes:
- Add support for AllianceMemory AS5F34G04SND
- Macronix: use scratch buffer for DMA operation
NAND ECC changes:
- Mediatek:
- Add ECC support fot MT7986 IC
- Add compatible for MT7986
- dt-bindings: Split ECC engine with rawnand controller
SPI NOR changes:
- Misc core fixes
SPI NOR driver changes:
- Spansion: Minor fixes"
* tag 'mtd/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (33 commits)
mtd: parsers: ofpart: add workaround for #size-cells 0
mtd: rawnand: sunxi: Precompute the ECC_CTL register value
mtd: rawnand: sunxi: Embed sunxi_nand_hw_ecc by value
mtd: rawnand: sunxi: Update OOB layout to match hardware
mtd: spi-nor: Sort headers alphabetically
mtd: spi-nor: Fix shift-out-of-bounds in spi_nor_set_erase_type
mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC
dt-bindings: mtd: mediatek,nand-ecc-engine: Add compatible for MT7986
dt-bindings: mtd: Split ECC engine with rawnand controller
mtd: rawnand: fsl_elbc: Propagate HW ECC settings to HW
mtd: spinand: Add support for AllianceMemory AS5F34G04SND
dt-bindings: mtd: partitions: Fix partition node name pattern
mtd: spi-nor: Create macros to define chip IDs and geometries
mtd: spi-nor: spansion: Make CFRx reg fields generic
mtd: spi-nor: spansion: Consider reserved bits in CFR5 register
mtd: spi-nor: core: fix implicit declaration warning
mtd: spinand: macronix: use scratch buffer for DMA operation
mtd: rawnand: Fix nand_chip kdoc
mtd: rawnand: vf610_nfc: use regular comments for functions
mtd: rawnand: Support for sequential cache reads
...
Diffstat (limited to 'Documentation/devicetree')
4 files changed, 219 insertions, 177 deletions
diff --git a/Documentation/devicetree/bindings/mtd/mediatek,mtk-nfc.yaml b/Documentation/devicetree/bindings/mtd/mediatek,mtk-nfc.yaml new file mode 100644 index 000000000000..a6e7f123eda7 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/mediatek,mtk-nfc.yaml @@ -0,0 +1,155 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/mediatek,mtk-nfc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek(MTK) SoCs raw NAND FLASH controller (NFC) + +maintainers: + - Xiangsheng Hou <xiangsheng.hou@mediatek.com> + +properties: + compatible: + enum: + - mediatek,mt2701-nfc + - mediatek,mt2712-nfc + - mediatek,mt7622-nfc + + reg: + items: + - description: Base physical address and size of NFI. + + interrupts: + items: + - description: NFI interrupt + + clocks: + items: + - description: clock used for the controller + - description: clock used for the pad + + clock-names: + items: + - const: nfi_clk + - const: pad_clk + + ecc-engine: + description: device-tree node of the required ECC engine. + $ref: /schemas/types.yaml#/definitions/phandle + +patternProperties: + "^nand@[a-f0-9]$": + $ref: nand-chip.yaml# + unevaluatedProperties: false + properties: + reg: + maximum: 1 + nand-on-flash-bbt: true + nand-ecc-mode: + const: hw + +allOf: + - $ref: nand-controller.yaml# + + - if: + properties: + compatible: + contains: + const: mediatek,mt2701-nfc + then: + patternProperties: + "^nand@[a-f0-9]$": + properties: + nand-ecc-step-size: + enum: [ 512, 1024 ] + nand-ecc-strength: + enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36, + 40, 44, 48, 52, 56, 60] + + - if: + properties: + compatible: + contains: + const: mediatek,mt2712-nfc + then: + patternProperties: + "^nand@[a-f0-9]$": + properties: + nand-ecc-step-size: + enum: [ 512, 1024 ] + nand-ecc-strength: + enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36, + 40, 44, 48, 52, 56, 60, 68, 72, 80] + + - if: + properties: + compatible: + contains: + const: mediatek,mt7622-nfc + then: + patternProperties: + "^nand@[a-f0-9]$": + properties: + nand-ecc-step-size: + const: 512 + nand-ecc-strength: + enum: [4, 6, 8, 10, 12] + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - ecc-engine + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/mt2701-clk.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + nand-controller@1100d000 { + compatible = "mediatek,mt2701-nfc"; + reg = <0 0x1100d000 0 0x1000>; + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>; + clocks = <&pericfg CLK_PERI_NFI>, + <&pericfg CLK_PERI_NFI_PAD>; + clock-names = "nfi_clk", "pad_clk"; + ecc-engine = <&bch>; + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + + nand-on-flash-bbt; + nand-ecc-mode = "hw"; + nand-ecc-step-size = <1024>; + nand-ecc-strength = <24>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + preloader@0 { + label = "pl"; + read-only; + reg = <0x0 0x400000>; + }; + android@400000 { + label = "android"; + reg = <0x400000 0x12c00000>; + }; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/mtd/mediatek,nand-ecc-engine.yaml b/Documentation/devicetree/bindings/mtd/mediatek,nand-ecc-engine.yaml new file mode 100644 index 000000000000..505baf1e8830 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/mediatek,nand-ecc-engine.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/mediatek,nand-ecc-engine.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek(MTK) SoCs NAND ECC engine + +maintainers: + - Xiangsheng Hou <xiangsheng.hou@mediatek.com> + +description: | + MTK NAND ECC engine can cowork with MTK raw NAND and SPI NAND controller. + +properties: + compatible: + enum: + - mediatek,mt2701-ecc + - mediatek,mt2712-ecc + - mediatek,mt7622-ecc + - mediatek,mt7986-ecc + + reg: + items: + - description: Base physical address and size of ECC. + + interrupts: + items: + - description: ECC interrupt + + clocks: + maxItems: 1 + + clock-names: + const: nfiecc_clk + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/mt2701-clk.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + bch: ecc@1100e000 { + compatible = "mediatek,mt2701-ecc"; + reg = <0 0x1100e000 0 0x1000>; + interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_LOW>; + clocks = <&pericfg CLK_PERI_NFI_ECC>; + clock-names = "nfiecc_clk"; + }; + }; diff --git a/Documentation/devicetree/bindings/mtd/mtk-nand.txt b/Documentation/devicetree/bindings/mtd/mtk-nand.txt deleted file mode 100644 index 839ea2f93d04..000000000000 --- a/Documentation/devicetree/bindings/mtd/mtk-nand.txt +++ /dev/null @@ -1,176 +0,0 @@ -MTK SoCs NAND FLASH controller (NFC) DT binding - -This file documents the device tree bindings for MTK SoCs NAND controllers. -The functional split of the controller requires two drivers to operate: -the nand controller interface driver and the ECC engine driver. - -The hardware description for both devices must be captured as device -tree nodes. - -1) NFC NAND Controller Interface (NFI): -======================================= - -The first part of NFC is NAND Controller Interface (NFI) HW. -Required NFI properties: -- compatible: Should be one of - "mediatek,mt2701-nfc", - "mediatek,mt2712-nfc", - "mediatek,mt7622-nfc". -- reg: Base physical address and size of NFI. -- interrupts: Interrupts of NFI. -- clocks: NFI required clocks. -- clock-names: NFI clocks internal name. -- ecc-engine: Required ECC Engine node. -- #address-cells: NAND chip index, should be 1. -- #size-cells: Should be 0. - -Example: - - nandc: nfi@1100d000 { - compatible = "mediatek,mt2701-nfc"; - reg = <0 0x1100d000 0 0x1000>; - interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>; - clocks = <&pericfg CLK_PERI_NFI>, - <&pericfg CLK_PERI_NFI_PAD>; - clock-names = "nfi_clk", "pad_clk"; - ecc-engine = <&bch>; - #address-cells = <1>; - #size-cells = <0>; - }; - -Platform related properties, should be set in {platform_name}.dts: -- children nodes: NAND chips. - -Children nodes properties: -- reg: Chip Select Signal, default 0. - Set as reg = <0>, <1> when need 2 CS. -Optional: -- nand-on-flash-bbt: Store BBT on NAND Flash. -- nand-ecc-mode: the NAND ecc mode (check driver for supported modes) -- nand-ecc-step-size: Number of data bytes covered by a single ECC step. - valid values: - 512 and 1024 on mt2701 and mt2712. - 512 only on mt7622. - 1024 is recommended for large page NANDs. -- nand-ecc-strength: Number of bits to correct per ECC step. - The valid values that each controller supports: - mt2701: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, - 32, 36, 40, 44, 48, 52, 56, 60. - mt2712: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, - 32, 36, 40, 44, 48, 52, 56, 60, 68, 72, 80. - mt7622: 4, 6, 8, 10, 12, 14, 16. - The strength should be calculated as follows: - E = (S - F) * 8 / B - S = O / (P / Q) - E : nand-ecc-strength. - S : spare size per sector. - F : FDM size, should be in the range [1,8]. - It is used to store free oob data. - O : oob size. - P : page size. - Q : nand-ecc-step-size. - B : number of parity bits needed to correct - 1 bitflip. - According to MTK NAND controller design, - this number depends on max ecc step size - that MTK NAND controller supports. - If max ecc step size supported is 1024, - then it should be always 14. And if max - ecc step size is 512, then it should be - always 13. - If the result does not match any one of the listed - choices above, please select the smaller valid value from - the list. - (otherwise the driver will do the adjustment at runtime) -- pinctrl-names: Default NAND pin GPIO setting name. -- pinctrl-0: GPIO setting node. - -Example: - &pio { - nand_pins_default: nanddefault { - pins_dat { - pinmux = <MT2701_PIN_111_MSDC0_DAT7__FUNC_NLD7>, - <MT2701_PIN_112_MSDC0_DAT6__FUNC_NLD6>, - <MT2701_PIN_114_MSDC0_DAT4__FUNC_NLD4>, - <MT2701_PIN_118_MSDC0_DAT3__FUNC_NLD3>, - <MT2701_PIN_121_MSDC0_DAT0__FUNC_NLD0>, - <MT2701_PIN_120_MSDC0_DAT1__FUNC_NLD1>, - <MT2701_PIN_113_MSDC0_DAT5__FUNC_NLD5>, - <MT2701_PIN_115_MSDC0_RSTB__FUNC_NLD8>, - <MT2701_PIN_119_MSDC0_DAT2__FUNC_NLD2>; - input-enable; - drive-strength = <MTK_DRIVE_8mA>; - bias-pull-up; - }; - - pins_we { - pinmux = <MT2701_PIN_117_MSDC0_CLK__FUNC_NWEB>; - drive-strength = <MTK_DRIVE_8mA>; - bias-pull-up = <MTK_PUPD_SET_R1R0_10>; - }; - - pins_ale { - pinmux = <MT2701_PIN_116_MSDC0_CMD__FUNC_NALE>; - drive-strength = <MTK_DRIVE_8mA>; - bias-pull-down = <MTK_PUPD_SET_R1R0_10>; - }; - }; - }; - - &nandc { - status = "okay"; - pinctrl-names = "default"; - pinctrl-0 = <&nand_pins_default>; - nand@0 { - reg = <0>; - nand-on-flash-bbt; - nand-ecc-mode = "hw"; - nand-ecc-strength = <24>; - nand-ecc-step-size = <1024>; - }; - }; - -NAND chip optional subnodes: -- Partitions, see Documentation/devicetree/bindings/mtd/mtd.yaml - -Example: - nand@0 { - partitions { - compatible = "fixed-partitions"; - #address-cells = <1>; - #size-cells = <1>; - - preloader@0 { - label = "pl"; - read-only; - reg = <0x00000000 0x00400000>; - }; - android@00400000 { - label = "android"; - reg = <0x00400000 0x12c00000>; - }; - }; - }; - -2) ECC Engine: -============== - -Required BCH properties: -- compatible: Should be one of - "mediatek,mt2701-ecc", - "mediatek,mt2712-ecc", - "mediatek,mt7622-ecc". -- reg: Base physical address and size of ECC. -- interrupts: Interrupts of ECC. -- clocks: ECC required clocks. -- clock-names: ECC clocks internal name. - -Example: - - bch: ecc@1100e000 { - compatible = "mediatek,mt2701-ecc"; - reg = <0 0x1100e000 0 0x1000>; - interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_LOW>; - clocks = <&pericfg CLK_PERI_NFI_ECC>; - clock-names = "nfiecc_clk"; - }; diff --git a/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml index 9aca4e6c6047..2edc65e0e361 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/partitions.yaml @@ -32,7 +32,7 @@ properties: enum: [1, 2] patternProperties: - "partition(-.+|@[0-9a-f]+)": + "^partition(-.+|@[0-9a-f]+)$": $ref: partition.yaml required: |