xref: /freebsd/sys/contrib/device-tree/Bindings/memory-controllers/ingenic,nemc-peripherals.yaml (revision 734e82fe33aa764367791a7d603b383996c6b40b)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc-peripherals.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Ingenic SoCs NAND / External Memory Controller (NEMC)
8
9maintainers:
10  - Paul Cercueil <paul@crapouillou.net>
11
12properties:
13  reg:
14    minItems: 1
15    maxItems: 255
16
17  ingenic,nemc-bus-width:
18    $ref: /schemas/types.yaml#/definitions/uint32
19    enum: [8, 16]
20    description: Specifies the bus width in bits.
21
22  ingenic,nemc-tAS:
23    $ref: /schemas/types.yaml#/definitions/uint32
24    description: Address setup time in nanoseconds.
25
26  ingenic,nemc-tAH:
27    $ref: /schemas/types.yaml#/definitions/uint32
28    description: Address hold time in nanoseconds.
29
30  ingenic,nemc-tBP:
31    $ref: /schemas/types.yaml#/definitions/uint32
32    description: Burst pitch time in nanoseconds.
33
34  ingenic,nemc-tAW:
35    $ref: /schemas/types.yaml#/definitions/uint32
36    description: Address wait time in nanoseconds.
37
38  ingenic,nemc-tSTRV:
39    $ref: /schemas/types.yaml#/definitions/uint32
40    description: Static memory recovery time in nanoseconds.
41
42required:
43  - reg
44
45additionalProperties: true
46...
47