| 1 | |
| 2 | %YAML 1.2
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| 3 | ---
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| 4 | $id: http://devicetree.org/schemas/embedded-controller/microsoft,surface-sam.yaml#
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| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml#
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| 6 |
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| 7 | title: Surface System Aggregator Module (SAM, SSAM)
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| 8 |
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| 9 | maintainers:
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| 10 | - Konrad Dybcio <[email protected]>
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| 11 |
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| 12 | description: |
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| 13 | Surface devices use a standardized embedded controller to let the
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| 14 | operating system interface with various hardware functions. The
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| 15 | specific functionalities are modeled as subdevices and matched on
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| 16 | five levels: domain, category, target, instance and function.
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| 17 |
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| 18 | properties:
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| 19 | compatible:
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| 20 | const: microsoft,surface-sam
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| 21 |
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| 22 | interrupts:
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| 23 | maxItems: 1
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| 24 |
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| 25 | current-speed: true
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| 26 |
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| 27 | required:
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| 28 | - compatible
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| 29 | - interrupts
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| 30 |
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| 31 | additionalProperties: false
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| 32 |
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| 33 | examples:
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| 34 | - |
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| 35 | #include <dt-bindings/interrupt-controller/irq.h>
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| 36 | uart {
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| 37 | embedded-controller {
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| 38 | compatible = "microsoft,surface-sam";
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| 39 |
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| 40 | interrupts-extended = <&tlmm 91 IRQ_TYPE_EDGE_RISING>;
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| 41 |
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| 42 | pinctrl-0 = <&ssam_state>;
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| 43 | pinctrl-names = "default";
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| 44 |
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| 45 | current-speed = <4000000>;
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| 46 | };
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| 47 | };
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