Documentation / devicetree / bindings / platform / microsoft,surface-sam.yaml


Based on kernel version 6.13. Page generated on 2025-01-21 08:20 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
# 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>;
        };
    };