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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/embedded-controller/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>;
};
};
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