2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mtd/allwinner,sun4i-a10-nand.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A10 NAND Controller
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allOf:
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2023-10-24 12:59:35 +02:00
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- $ref: nand-controller.yaml
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2023-08-30 17:31:07 +02:00
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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properties:
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compatible:
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enum:
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- allwinner,sun4i-a10-nand
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- allwinner,sun8i-a23-nand-controller
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: Bus Clock
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- description: Module Clock
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clock-names:
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items:
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- const: ahb
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- const: mod
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resets:
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maxItems: 1
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reset-names:
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const: ahb
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dmas:
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maxItems: 1
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dma-names:
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const: rxtx
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patternProperties:
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"^nand@[a-f0-9]$":
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type: object
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2023-10-24 12:59:35 +02:00
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$ref: raw-nand-chip.yaml
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2023-08-30 17:31:07 +02:00
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properties:
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reg:
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minimum: 0
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maximum: 7
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nand-ecc-algo:
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const: bch
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nand-ecc-step-size:
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enum: [ 512, 1024 ]
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nand-ecc-strength:
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maximum: 80
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allwinner,rb:
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description:
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Contains the native Ready/Busy IDs.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 1
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maxItems: 2
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items:
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minimum: 0
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maximum: 1
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2023-10-24 12:59:35 +02:00
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unevaluatedProperties: false
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2023-08-30 17:31:07 +02:00
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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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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/sun6i-rtc.h>
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#include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
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#include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
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nand-controller@1c03000 {
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compatible = "allwinner,sun8i-a23-nand-controller";
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reg = <0x01c03000 0x1000>;
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interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&ccu CLK_BUS_NAND>, <&ccu CLK_NAND>;
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clock-names = "ahb", "mod";
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resets = <&ccu RST_BUS_NAND>;
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reset-names = "ahb";
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dmas = <&dma 5>;
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dma-names = "rxtx";
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pinctrl-names = "default";
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pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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...
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