1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/ata/pata-common.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Common Properties for Parallel AT attachment (PATA) controllers 8 9maintainers: 10 - Linus Walleij <linusw@kernel.org> 11 12description: | 13 This document defines device tree properties common to most Parallel 14 ATA (PATA, also known as IDE) AT attachment storage devices. 15 It doesn't constitute a device tree binding specification by itself but is 16 meant to be referenced by device tree bindings. 17 18 The PATA (IDE) controller-specific device tree bindings are responsible for 19 defining whether each property is required or optional. 20 21properties: 22 $nodename: 23 pattern: "^ide(@.*)?$" 24 description: 25 Specifies the host controller node. PATA host controller nodes are named 26 "ide". 27 28 "#address-cells": 29 const: 1 30 31 "#size-cells": 32 const: 0 33 34patternProperties: 35 "^ide-port@[0-1]$": 36 description: | 37 DT nodes for ports connected on the PATA host. The master drive will have 38 ID number 0 and the slave drive will have ID number 1. The PATA port 39 nodes will be named "ide-port". 40 type: object 41 additionalProperties: false 42 43 properties: 44 reg: 45 minimum: 0 46 maximum: 1 47 description: 48 The ID number of the drive port, 0 for the master port and 1 for the 49 slave port. 50 51additionalProperties: true 52 53... 54