| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/platform/microsoft,surface-sam.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Surface System Aggregator Module (SAM, SSAM) |
| |
| maintainers: |
| - Konrad Dybcio <konradybcio@kernel.org> |
| |
| description: | |
| Surface devices use a standardized embedded controller to let the |
| operating system interface with various hardware functions. The |
| specific functionalities are modeled as subdevices and matched on |
| five levels: domain, category, target, instance and function. |
| |
| properties: |
| compatible: |
| const: microsoft,surface-sam |
| |
| interrupts: |
| maxItems: 1 |
| |
| current-speed: true |
| |
| required: |
| - compatible |
| - interrupts |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| uart { |
| embedded-controller { |
| compatible = "microsoft,surface-sam"; |
| |
| interrupts-extended = <&tlmm 91 IRQ_TYPE_EDGE_RISING>; |
| |
| pinctrl-0 = <&ssam_state>; |
| pinctrl-names = "default"; |
| |
| current-speed = <4000000>; |
| }; |
| }; |
