1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/ata/pata-co 4 $id: http://devicetree.org/schemas/ata/pata-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Common Properties for Parallel AT attac 7 title: Common Properties for Parallel AT attachment (PATA) controllers
8 8
9 maintainers: 9 maintainers:
10 - Linus Walleij <linus.walleij@linaro.org> 10 - Linus Walleij <linus.walleij@linaro.org>
11 11
12 description: | 12 description: |
13 This document defines device tree properties 13 This document defines device tree properties common to most Parallel
14 ATA (PATA, also known as IDE) AT attachment 14 ATA (PATA, also known as IDE) AT attachment storage devices.
15 It doesn't constitute a device tree binding 15 It doesn't constitute a device tree binding specification by itself but is
16 meant to be referenced by device tree bindin 16 meant to be referenced by device tree bindings.
17 17
18 The PATA (IDE) controller-specific device tr 18 The PATA (IDE) controller-specific device tree bindings are responsible for
19 defining whether each property is required o 19 defining whether each property is required or optional.
20 20
21 properties: 21 properties:
22 $nodename: 22 $nodename:
23 pattern: "^ide(@.*)?$" 23 pattern: "^ide(@.*)?$"
24 description: 24 description:
25 Specifies the host controller node. PATA 25 Specifies the host controller node. PATA host controller nodes are named
26 "ide". 26 "ide".
27 27
28 "#address-cells": 28 "#address-cells":
29 const: 1 29 const: 1
30 30
31 "#size-cells": 31 "#size-cells":
32 const: 0 32 const: 0
33 33
34 patternProperties: 34 patternProperties:
35 "^ide-port@[0-1]$": 35 "^ide-port@[0-1]$":
36 description: | 36 description: |
37 DT nodes for ports connected on the PATA 37 DT nodes for ports connected on the PATA host. The master drive will have
38 ID number 0 and the slave drive will hav 38 ID number 0 and the slave drive will have ID number 1. The PATA port
39 nodes will be named "ide-port". 39 nodes will be named "ide-port".
40 type: object 40 type: object
41 additionalProperties: false 41 additionalProperties: false
42 42
43 properties: 43 properties:
44 reg: 44 reg:
45 minimum: 0 45 minimum: 0
46 maximum: 1 46 maximum: 1
47 description: 47 description:
48 The ID number of the drive port, 0 f 48 The ID number of the drive port, 0 for the master port and 1 for the
49 slave port. 49 slave port.
50 50
51 additionalProperties: true 51 additionalProperties: true
52 52
53 ... 53 ...
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