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dt-bindings: Add Broadcom AVS RO thermal
Since the BCM2711 doesn't have a AVS TMON block, the thermal information must be retrieved from the AVS ring oscillator block. This block is part of the AVS monitor which contains a bunch of raw sensors. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1578941778-23321-2-git-send-email-stefan.wahren@i2se.com
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/thermal/brcm,avs-ro-thermal.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom AVS ring oscillator thermal
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maintainers:
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- Stefan Wahren <wahrenst@gmx.net>
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description: |+
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The thermal node should be the child of a syscon node with the
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required property:
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- compatible: Should be one of the following:
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"brcm,bcm2711-avs-monitor", "syscon", "simple-mfd"
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Refer to the the bindings described in
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Documentation/devicetree/bindings/mfd/syscon.txt
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properties:
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compatible:
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const: brcm,bcm2711-thermal
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reg:
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maxItems: 1
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required:
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- compatible
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- reg
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examples:
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- |
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avs-monitor@7d5d2000 {
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compatible = "brcm,bcm2711-avs-monitor",
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"syscon", "simple-mfd";
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reg = <0x7d5d2000 0xf00>;
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thermal: thermal {
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compatible = "brcm,bcm2711-thermal";
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#thermal-sensor-cells = <0>;
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};
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};
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