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@xxxxxxxxx> --- .../bindings/soc/bcm/brcm,bcm23550-cdc.yaml | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml new file mode 100644 index 000000000000..1a952f569803 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm23550-cdc.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm23550-cdc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM23550 Cluster Dormant Control + +description: + The Cluster Dormant Control block keeps the CPU in idle state. A command + needs to be sent to this block to bring the CPU into running state. + +maintainers: + - Florian Fainelli <f.fainelli@xxxxxxxxx> + +properties: + compatible: + const: brcm,bcm23550-cdc + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + cdc@3fe0e000 { + compatible = "brcm,bcm23550-cdc"; + reg = <0x3fe0e000 0x78>; + }; +... -- 2.25.1
