[PATCH V3 1/5] dt-bindings: soc: imx: Add binding doc for spba bus

Adam Ford aford173 at gmail.com
Fri Nov 6 11:28:59 EST 2020


On Fri, Nov 6, 2020 at 10:19 AM Rob Herring <robh at kernel.org> wrote:
>
> On Fri, Nov 06, 2020 at 05:15:39AM -0600, Adam Ford wrote:
> > Add binding doc for fsl,spba-bus.
> >
> > Signed-off-by: Adam Ford <aford173 at gmail.com>
> > ---
> > V3:  New to series
>
> Please implement my review comments from the last version you sent.

Sorry about that.  I grabbed from the wrong branch.  I implemented
them, but apparently I did it on the wrong branch.

I'll send a V4.

Sorry for the noise.

adam
>
> >
> > diff --git a/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
> > new file mode 100644
> > index 000000000000..0a2add841145
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
> > @@ -0,0 +1,56 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/bus/simple-pm-bus.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Shared Peripherals Bus Interface
> > +
> > +maintainers:
> > +  - Shawn Guo <shawnguo at kernel.org>
> > +
> > +description: |
> > +  A simple bus enabling access to shared peripherals.
> > +
> > +  The "spba-bus" follows the "simple-bus" set of properties, as
> > +  specified in the Devicetree Specification.  It is an extension of
> > +  "simple-bus" because the SDMA controller uses this compatible flag to
> > +  determine which peripherals are available to it and the range over which
> > +  the SDMA can access.  There are no special clocks for the bus, because
> > +  the SDMA controller itself has its interrupt, and clock assignments.
> > +
> > +properties:
> > +  $nodename:
> > +    pattern: "^bus(@[0-9a-f]+)?$"
> > +
> > +  compatible:
> > +    contains:
> > +      const: fsl,spba-bus
> > +    description:
> > +      Shall contain "fsl,spba-bus" in addition to "simple-bus"
> > +      compatible strings.
> > +
> > +  '#address-cells':
> > +    enum: [ 1, 2 ]
> > +
> > +  '#size-cells':
> > +    enum: [ 1, 2 ]
> > +
> > +  ranges: true
> > +
> > +required:
> > +  - compatible
> > +  - '#address-cells'
> > +  - '#size-cells'
> > +  - ranges
> > +
> > +additionalProperties: true
> > +
> > +examples:
> > +  - |
> > +    bus {
> > +        compatible = "fsl,spba-bus", "simple-bus";
> > +        #address-cells = <1>;
> > +        #size-cells = <1>;
> > +        ranges;
> > +    };
> > --
> > 2.25.1
> >



More information about the linux-arm-kernel mailing list