Hello! On 12/31/2019 08:24 PM, Linus Walleij wrote: > I need to create subnodes for drives connected to PATA > or SATA host controllers, and this needs to be supported > generally, so create a common YAML binding for > "pata-controller" or "sata-controller" that will support > subnodes with drives. > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > .../bindings/ata/pata-sata-common.yaml | 47 +++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/ata/pata-sata-common.yaml > > diff --git a/Documentation/devicetree/bindings/ata/pata-sata-common.yaml b/Documentation/devicetree/bindings/ata/pata-sata-common.yaml > new file mode 100644 > index 000000000000..d94aa20a29e3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/ata/pata-sata-common.yaml > @@ -0,0 +1,47 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/ata/pata-sata-common.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Common Properties for Parallel and Serial AT attachment controllers > + > +maintainers: > + - Linus Walleij <linus.walleij@xxxxxxxxxx> > + > +description: | > + This document defines device tree properties common to most Parallel > + (PATA) and Serial (SATA) AT attachment storage devices. It doesn't > + constitue a device tree binding specification by itself but is meant to > + be referenced by device tree bindings. > + > + The PATA/SATA controller device tree bindings are responsible for > + defining whether each property is required or optional. > + > +properties: > + $nodename: > + pattern: "^[ps]ata-controller(@.*)?$" I thought the DT spec has long ago standardized the node name as "ide" and "sata"? > + description: > + Specifies the host controller node. > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 [...] MBR, Sergei
