2beb46f04b
nand-on-flash-bbt is a generic property which may apply to any raw NAND chip, it does not need to be listed in each controller description. The raw NAND chip description file which contains the property is already referenced, so no need to mention the property here again. Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: Xiangsheng Hou <xiangsheng.hou@mediatek.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/linux-mtd/20230619092916.3028470-17-miquel.raynal@bootlin.com
155 lines
3.7 KiB
YAML
155 lines
3.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mtd/mediatek,mtk-nfc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek(MTK) SoCs raw NAND FLASH controller (NFC)
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maintainers:
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- Xiangsheng Hou <xiangsheng.hou@mediatek.com>
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properties:
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compatible:
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enum:
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- mediatek,mt2701-nfc
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- mediatek,mt2712-nfc
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- mediatek,mt7622-nfc
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reg:
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items:
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- description: Base physical address and size of NFI.
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interrupts:
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items:
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- description: NFI interrupt
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clocks:
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items:
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- description: clock used for the controller
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- description: clock used for the pad
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clock-names:
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items:
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- const: nfi_clk
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- const: pad_clk
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ecc-engine:
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description: device-tree node of the required ECC engine.
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$ref: /schemas/types.yaml#/definitions/phandle
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patternProperties:
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"^nand@[a-f0-9]$":
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$ref: raw-nand-chip.yaml#
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unevaluatedProperties: false
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properties:
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reg:
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maximum: 1
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nand-ecc-mode:
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const: hw
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allOf:
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- $ref: nand-controller.yaml#
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- if:
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properties:
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compatible:
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contains:
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const: mediatek,mt2701-nfc
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then:
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patternProperties:
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"^nand@[a-f0-9]$":
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properties:
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nand-ecc-step-size:
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enum: [ 512, 1024 ]
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nand-ecc-strength:
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enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36,
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40, 44, 48, 52, 56, 60]
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- if:
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properties:
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compatible:
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contains:
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const: mediatek,mt2712-nfc
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then:
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patternProperties:
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"^nand@[a-f0-9]$":
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properties:
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nand-ecc-step-size:
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enum: [ 512, 1024 ]
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nand-ecc-strength:
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enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36,
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40, 44, 48, 52, 56, 60, 68, 72, 80]
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- if:
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properties:
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compatible:
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contains:
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const: mediatek,mt7622-nfc
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then:
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patternProperties:
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"^nand@[a-f0-9]$":
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properties:
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nand-ecc-step-size:
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const: 512
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nand-ecc-strength:
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enum: [4, 6, 8, 10, 12]
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- ecc-engine
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/mt2701-clk.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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soc {
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#address-cells = <2>;
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#size-cells = <2>;
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nand-controller@1100d000 {
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compatible = "mediatek,mt2701-nfc";
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reg = <0 0x1100d000 0 0x1000>;
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interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>;
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clocks = <&pericfg CLK_PERI_NFI>,
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<&pericfg CLK_PERI_NFI_PAD>;
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clock-names = "nfi_clk", "pad_clk";
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ecc-engine = <&bch>;
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#address-cells = <1>;
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#size-cells = <0>;
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nand@0 {
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reg = <0>;
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nand-on-flash-bbt;
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nand-ecc-mode = "hw";
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nand-ecc-step-size = <1024>;
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nand-ecc-strength = <24>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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preloader@0 {
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label = "pl";
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read-only;
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reg = <0x0 0x400000>;
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};
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android@400000 {
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label = "android";
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reg = <0x400000 0x12c00000>;
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};
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};
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};
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};
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};
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