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c87967c57b
I need to create subnodes for drives connected to PATA host controllers, and this needs to be supported generally, so create a common YAML binding for "ide" that will support subnodes with ports. This has been designed as a subset of ata/ahci-platform.txt with the bare essentials and should be possible to extend or superset to cover the common bindings. Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
51 lines
1.4 KiB
YAML
51 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/ata/pata-common.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Common Properties for Parallel AT attachment (PATA) controllers
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maintainers:
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- Linus Walleij <linus.walleij@linaro.org>
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description: |
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This document defines device tree properties common to most Parallel
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ATA (PATA, also known as IDE) AT attachment storage devices.
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It doesn't constitue a device tree binding specification by itself but is
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meant to be referenced by device tree bindings.
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The PATA (IDE) controller-specific device tree bindings are responsible for
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defining whether each property is required or optional.
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properties:
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$nodename:
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pattern: "^ide(@.*)?$"
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description:
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Specifies the host controller node. PATA host controller nodes are named
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"ide".
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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patternProperties:
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"^ide-port@[0-1]$":
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description: |
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DT nodes for ports connected on the PATA host. The master drive will have
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ID number 0 and the slave drive will have ID number 1. The PATA port
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nodes will be named "ide-port".
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type: object
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properties:
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reg:
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minimum: 0
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maximum: 1
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description:
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The ID number of the drive port, 0 for the master port and 1 for the
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slave port.
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...
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