On Wed, Jan 31, 2024 at 04:19:46PM -0600, Andrew Davis wrote: > This calls into the system firmware using TI-SCI to reboot the system. > Used as a fallback when PSCI is unable or not available to reboot > the system. > > Signed-off-by: Andrew Davis <afd@xxxxxx> > --- > .../bindings/power/reset/ti,sci-reboot.yaml | 33 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 34 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml > > diff --git a/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml b/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml > new file mode 100644 > index 0000000000000..aa628be33d122 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml > @@ -0,0 +1,33 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/power/reset/ti,sci-reboot.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TI-SCI reboot controller > + > +maintainers: > + - Andrew Davis <afd@xxxxxx> > + > +description: | > + Some TI SoCs contain a system controller (like the Power Management Micro > + Controller (PMMC) on Keystone 66AK2G SoC) that are responsible for controlling > + the state of the various hardware modules present on the SoC. Communication > + between the host processor running an OS and the system controller happens > + through a protocol called TI System Control Interface (TI-SCI protocol). > + > + This reboot controller node uses the TI SCI protocol to perform a device reboot. > + > + Must be a child node of the associated TI-SCI system controller node. > + > +properties: > + compatible: > + const: ti,sci-reboot > + > +additionalProperties: false > + > +examples: > + - | > + k3_reboot: reboot-controller { > + compatible = "ti,sci-reboot"; > + }; I'd drop the example since this has no use standalone and just rely on the one in the parent. Otherwise I think this is fine. Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
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