| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/mtd/allwinner,sun4i-a10-nand.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Allwinner A10 NAND Controller |
| 8 | |
| 9 | allOf: |
| 10 | - $ref: nand-controller.yaml |
| 11 | |
| 12 | maintainers: |
| 13 | - Chen-Yu Tsai <wens@csie.org> |
| 14 | - Maxime Ripard <mripard@kernel.org> |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | enum: |
| 19 | - allwinner,sun4i-a10-nand |
| 20 | - allwinner,sun8i-a23-nand-controller |
| 21 | reg: |
| 22 | maxItems: 1 |
| 23 | |
| 24 | interrupts: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | clocks: |
| 28 | items: |
| 29 | - description: Bus Clock |
| 30 | - description: Module Clock |
| 31 | |
| 32 | clock-names: |
| 33 | items: |
| 34 | - const: ahb |
| 35 | - const: mod |
| 36 | |
| 37 | resets: |
| 38 | maxItems: 1 |
| 39 | |
| 40 | reset-names: |
| 41 | const: ahb |
| 42 | |
| 43 | dmas: |
| 44 | maxItems: 1 |
| 45 | |
| 46 | dma-names: |
| 47 | const: rxtx |
| 48 | |
| 49 | patternProperties: |
| 50 | "^nand@[a-f0-9]$": |
| 51 | type: object |
| 52 | $ref: raw-nand-chip.yaml |
| 53 | properties: |
| 54 | reg: |
| 55 | minimum: 0 |
| 56 | maximum: 7 |
| 57 | |
| 58 | nand-ecc-algo: |
| 59 | const: bch |
| 60 | |
| 61 | nand-ecc-step-size: |
| 62 | enum: [ 512, 1024 ] |
| 63 | |
| 64 | nand-ecc-strength: |
| 65 | maximum: 80 |
| 66 | |
| 67 | allwinner,rb: |
| 68 | description: |
| 69 | Contains the native Ready/Busy IDs. |
| 70 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 71 | minItems: 1 |
| 72 | maxItems: 2 |
| 73 | items: |
| 74 | minimum: 0 |
| 75 | maximum: 1 |
| 76 | |
| 77 | unevaluatedProperties: false |
| 78 | |
| 79 | required: |
| 80 | - compatible |
| 81 | - reg |
| 82 | - interrupts |
| 83 | - clocks |
| 84 | - clock-names |
| 85 | |
| 86 | unevaluatedProperties: false |
| 87 | |
| 88 | examples: |
| 89 | - | |
| 90 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 91 | #include <dt-bindings/clock/sun6i-rtc.h> |
| 92 | #include <dt-bindings/clock/sun8i-a23-a33-ccu.h> |
| 93 | #include <dt-bindings/reset/sun8i-a23-a33-ccu.h> |
| 94 | |
| 95 | nand-controller@1c03000 { |
| 96 | compatible = "allwinner,sun8i-a23-nand-controller"; |
| 97 | reg = <0x01c03000 0x1000>; |
| 98 | interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>; |
| 99 | clocks = <&ccu CLK_BUS_NAND>, <&ccu CLK_NAND>; |
| 100 | clock-names = "ahb", "mod"; |
| 101 | resets = <&ccu RST_BUS_NAND>; |
| 102 | reset-names = "ahb"; |
| 103 | dmas = <&dma 5>; |
| 104 | dma-names = "rxtx"; |
| 105 | pinctrl-names = "default"; |
| 106 | pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>; |
| 107 | #address-cells = <1>; |
| 108 | #size-cells = <0>; |
| 109 | }; |
| 110 | |
| 111 | ... |