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Broadcom BCM23550 has a Cluster Dormant Control block that keeps the CPU in idle state. A command needs to be sent to this block to bring the CPU into running state. This has been in use in mainline Linux since ~2016, but was never documented. Add a dt-binding document for it. Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230508135930.GA27583@standask-GA-A55M-S2HP Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
36 lines
724 B
YAML
36 lines
724 B
YAML
# 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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$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm23550-cdc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom BCM23550 Cluster Dormant Control
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description:
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The Cluster Dormant Control block keeps the CPU in idle state. A command
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needs to be sent to this block to bring the CPU into running state.
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maintainers:
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- Florian Fainelli <f.fainelli@gmail.com>
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properties:
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compatible:
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const: brcm,bcm23550-cdc
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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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additionalProperties: false
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examples:
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- |
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cdc@3fe0e000 {
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compatible = "brcm,bcm23550-cdc";
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reg = <0x3fe0e000 0x78>;
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};
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...
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