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 + +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
