| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/mtd/mediatek,mtk-nfc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MediaTek(MTK) SoCs raw NAND FLASH controller (NFC) |
| 8 | |
| 9 | maintainers: |
| 10 | - Xiangsheng Hou <xiangsheng.hou@mediatek.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | enum: |
| 15 | - mediatek,mt2701-nfc |
| 16 | - mediatek,mt2712-nfc |
| 17 | - mediatek,mt7622-nfc |
| 18 | |
| 19 | reg: |
| 20 | items: |
| 21 | - description: Base physical address and size of NFI. |
| 22 | |
| 23 | interrupts: |
| 24 | items: |
| 25 | - description: NFI interrupt |
| 26 | |
| 27 | clocks: |
| 28 | items: |
| 29 | - description: clock used for the controller |
| 30 | - description: clock used for the pad |
| 31 | |
| 32 | clock-names: |
| 33 | items: |
| 34 | - const: nfi_clk |
| 35 | - const: pad_clk |
| 36 | |
| 37 | ecc-engine: |
| 38 | description: device-tree node of the required ECC engine. |
| 39 | $ref: /schemas/types.yaml#/definitions/phandle |
| 40 | |
| 41 | patternProperties: |
| 42 | "^nand@[a-f0-9]$": |
| 43 | $ref: raw-nand-chip.yaml# |
| 44 | unevaluatedProperties: false |
| 45 | properties: |
| 46 | reg: |
| 47 | maximum: 1 |
| 48 | nand-ecc-mode: |
| 49 | const: hw |
| 50 | |
| 51 | allOf: |
| 52 | - $ref: nand-controller.yaml# |
| 53 | |
| 54 | - if: |
| 55 | properties: |
| 56 | compatible: |
| 57 | contains: |
| 58 | const: mediatek,mt2701-nfc |
| 59 | then: |
| 60 | patternProperties: |
| 61 | "^nand@[a-f0-9]$": |
| 62 | properties: |
| 63 | nand-ecc-step-size: |
| 64 | enum: [ 512, 1024 ] |
| 65 | nand-ecc-strength: |
| 66 | enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36, |
| 67 | 40, 44, 48, 52, 56, 60] |
| 68 | |
| 69 | - if: |
| 70 | properties: |
| 71 | compatible: |
| 72 | contains: |
| 73 | const: mediatek,mt2712-nfc |
| 74 | then: |
| 75 | patternProperties: |
| 76 | "^nand@[a-f0-9]$": |
| 77 | properties: |
| 78 | nand-ecc-step-size: |
| 79 | enum: [ 512, 1024 ] |
| 80 | nand-ecc-strength: |
| 81 | enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36, |
| 82 | 40, 44, 48, 52, 56, 60, 68, 72, 80] |
| 83 | |
| 84 | - if: |
| 85 | properties: |
| 86 | compatible: |
| 87 | contains: |
| 88 | const: mediatek,mt7622-nfc |
| 89 | then: |
| 90 | patternProperties: |
| 91 | "^nand@[a-f0-9]$": |
| 92 | properties: |
| 93 | nand-ecc-step-size: |
| 94 | const: 512 |
| 95 | nand-ecc-strength: |
| 96 | enum: [4, 6, 8, 10, 12] |
| 97 | |
| 98 | required: |
| 99 | - compatible |
| 100 | - reg |
| 101 | - interrupts |
| 102 | - clocks |
| 103 | - clock-names |
| 104 | - ecc-engine |
| 105 | |
| 106 | unevaluatedProperties: false |
| 107 | |
| 108 | examples: |
| 109 | - | |
| 110 | #include <dt-bindings/clock/mt2701-clk.h> |
| 111 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 112 | #include <dt-bindings/interrupt-controller/irq.h> |
| 113 | |
| 114 | soc { |
| 115 | #address-cells = <2>; |
| 116 | #size-cells = <2>; |
| 117 | |
| 118 | nand-controller@1100d000 { |
| 119 | compatible = "mediatek,mt2701-nfc"; |
| 120 | reg = <0 0x1100d000 0 0x1000>; |
| 121 | interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>; |
| 122 | clocks = <&pericfg CLK_PERI_NFI>, |
| 123 | <&pericfg CLK_PERI_NFI_PAD>; |
| 124 | clock-names = "nfi_clk", "pad_clk"; |
| 125 | ecc-engine = <&bch>; |
| 126 | #address-cells = <1>; |
| 127 | #size-cells = <0>; |
| 128 | |
| 129 | nand@0 { |
| 130 | reg = <0>; |
| 131 | |
| 132 | nand-on-flash-bbt; |
| 133 | nand-ecc-mode = "hw"; |
| 134 | nand-ecc-step-size = <1024>; |
| 135 | nand-ecc-strength = <24>; |
| 136 | |
| 137 | partitions { |
| 138 | compatible = "fixed-partitions"; |
| 139 | #address-cells = <1>; |
| 140 | #size-cells = <1>; |
| 141 | |
| 142 | preloader@0 { |
| 143 | label = "pl"; |
| 144 | read-only; |
| 145 | reg = <0x0 0x400000>; |
| 146 | }; |
| 147 | android@400000 { |
| 148 | label = "android"; |
| 149 | reg = <0x400000 0x12c00000>; |
| 150 | }; |
| 151 | }; |
| 152 | }; |
| 153 | }; |
| 154 | }; |