[PATCH v2 1/4] dt-bindings: reset: Add Armada8K reset controller
Rob Herring
robh at kernel.org
Fri Feb 21 15:40:41 PST 2025
On Fri, Feb 21, 2025 at 09:46:01AM +0100, Krzysztof Kozlowski wrote:
> On Thu, Feb 20, 2025 at 03:25:24PM -0800, Wilson Ding wrote:
> > Add device-tree binding documentation for the Armada8K reset driver.
> >
> > Signed-off-by: Wilson Ding <dingwei at marvell.com>
> > ---
> > .../reset/marvell,armada8k-reset.yaml | 45 +++++++++++++++++++
> > 1 file changed, 45 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/reset/marvell,armada8k-reset.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/reset/marvell,armada8k-reset.yaml b/Documentation/devicetree/bindings/reset/marvell,armada8k-reset.yaml
> > new file mode 100644
> > index 000000000000..b9f7f3c24d3c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/reset/marvell,armada8k-reset.yaml
> > @@ -0,0 +1,45 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +# Copyright 2025 Wilson Ding <dingwei at marvell.com>
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/reset/marvell,armada8k-reset.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Marvell Armada8K reset controller
> > +
> > +maintainers:
> > + - Wilson Ding <dingwei at marvell.com>
> > +
> > +description: The reset controller node must be a sub-node of the system
> > + controller node on Armada7K/8K or CN913x SoCs.
> > +
> > +properties:
> > + compatible:
> > + const: marvell,armada8k-reset
> > +
> > + offset:
> > + $ref: /schemas/types.yaml#/definitions/uint32
> > + description: Offset in the register map for the gpio registers (in bytes)
>
> That's neither correct nor needed. Your device knows ofsset based on the
> compatible.
Or use 'reg'.
But really, just add #reset-cells to the parent node. There's no need
for a child node here. The parent needs a specific compatible though.
Rob
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