On Tue, Sep 06, 2022 at 02:19:29PM +0100, Russell King (Oracle) wrote: > Add a DT binding for the Apple Mac System Management Controller. > > Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/mfd/apple,smc.yaml | 61 +++++++++++++++++++ > 1 file changed, 61 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/apple,smc.yaml > > diff --git a/Documentation/devicetree/bindings/mfd/apple,smc.yaml b/Documentation/devicetree/bindings/mfd/apple,smc.yaml > new file mode 100644 > index 000000000000..168f237c2962 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/apple,smc.yaml > @@ -0,0 +1,61 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mfd/apple,smc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Apple Mac System Management Controller > + > +maintainers: > + - Hector Martin <marcan@xxxxxxxxx> > + > +description: > + Apple Mac System Management Controller implements various functions > + such as GPIO, RTC, power, reboot. > + > +properties: > + compatible: > + items: > + - enum: > + - apple,t6000-smc > + - apple,t8103-smc > + - apple,t8112-smc > + - const: apple,smc > + > + reg: > + items: > + - description: SMC area > + - description: SRAM area > + > + reg-names: > + items: > + - const: smc > + - const: sram > + > + mboxes: > + maxItems: 1 > + description: > + A phandle to the mailbox channel That's every 'mboxes'. Drop generic descriptions on common properties. > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - reg-names > + - mboxes > + > +examples: > + - | > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + smc@23e400000 { > + compatible = "apple,t8103-smc", "apple,smc"; > + reg = <0x2 0x3e400000 0x0 0x4000>, > + <0x2 0x3fe00000 0x0 0x100000>; > + reg-names = "smc", "sram"; > + mboxes = <&smc_mbox>; > + }; > + }; > -- > 2.30.2 > >
