1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mtd/mediatek,mtk-nfc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek(MTK) SoCs raw NAND FLASH controller (NFC)
maintainers:
- Xiangsheng Hou <xiangsheng.hou@mediatek.com>
properties:
compatible:
enum:
- mediatek,mt2701-nfc
- mediatek,mt2712-nfc
- mediatek,mt7622-nfc
reg:
items:
- description: Base physical address and size of NFI.
interrupts:
items:
- description: NFI interrupt
clocks:
items:
- description: clock used for the controller
- description: clock used for the pad
clock-names:
items:
- const: nfi_clk
- const: pad_clk
ecc-engine:
description: device-tree node of the required ECC engine.
$ref: /schemas/types.yaml#/definitions/phandle
patternProperties:
"^nand@[a-f0-9]$":
$ref: nand-chip.yaml#
unevaluatedProperties: false
properties:
reg:
maximum: 1
nand-on-flash-bbt: true
nand-ecc-mode:
const: hw
allOf:
- $ref: nand-controller.yaml#
- if:
properties:
compatible:
contains:
const: mediatek,mt2701-nfc
then:
patternProperties:
"^nand@[a-f0-9]$":
properties:
nand-ecc-step-size:
enum: [ 512, 1024 ]
nand-ecc-strength:
enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36,
40, 44, 48, 52, 56, 60]
- if:
properties:
compatible:
contains:
const: mediatek,mt2712-nfc
then:
patternProperties:
"^nand@[a-f0-9]$":
properties:
nand-ecc-step-size:
enum: [ 512, 1024 ]
nand-ecc-strength:
enum: [4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36,
40, 44, 48, 52, 56, 60, 68, 72, 80]
- if:
properties:
compatible:
contains:
const: mediatek,mt7622-nfc
then:
patternProperties:
"^nand@[a-f0-9]$":
properties:
nand-ecc-step-size:
const: 512
nand-ecc-strength:
enum: [4, 6, 8, 10, 12]
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- ecc-engine
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/mt2701-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
nand-controller@1100d000 {
compatible = "mediatek,mt2701-nfc";
reg = <0 0x1100d000 0 0x1000>;
interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>;
clocks = <&pericfg CLK_PERI_NFI>,
<&pericfg CLK_PERI_NFI_PAD>;
clock-names = "nfi_clk", "pad_clk";
ecc-engine = <&bch>;
#address-cells = <1>;
#size-cells = <0>;
nand@0 {
reg = <0>;
nand-on-flash-bbt;
nand-ecc-mode = "hw";
nand-ecc-step-size = <1024>;
nand-ecc-strength = <24>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
preloader@0 {
label = "pl";
read-only;
reg = <0x0 0x400000>;
};
android@400000 {
label = "android";
reg = <0x400000 0x12c00000>;
};
};
};
};
};
|
