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