Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
1.6 KiB
YAML
63 lines
1.6 KiB
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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$id: http://devicetree.org/schemas/apm,xgene-slimpro-mbox.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: APM X-Gene SLIMpro mailbox
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maintainers:
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- Khuong Dinh <khuong@os.amperecomputing.com>
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description:
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The APM X-Gene SLIMpro mailbox is used to communicate messages between
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the ARM64 processors and the Cortex M3 (dubbed SLIMpro). It uses a simple
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interrupt based door bell mechanism and can exchange simple messages using the
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internal registers.
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properties:
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compatible:
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const: apm,xgene-slimpro-mbox
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: mailbox channel 0 doorbell
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- description: mailbox channel 1 doorbell
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- description: mailbox channel 2 doorbell
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- description: mailbox channel 3 doorbell
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- description: mailbox channel 4 doorbell
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- description: mailbox channel 5 doorbell
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- description: mailbox channel 6 doorbell
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- description: mailbox channel 7 doorbell
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'#mbox-cells':
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description: Number of mailbox channel.
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const: 1
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required:
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- compatible
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- reg
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- interrupts
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- '#mbox-cells'
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additionalProperties: false
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examples:
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- |
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mailbox@10540000 {
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compatible = "apm,xgene-slimpro-mbox";
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reg = <0x10540000 0xa000>;
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#mbox-cells = <1>;
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interrupts = <0x0 0x0 0x4>,
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<0x0 0x1 0x4>,
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<0x0 0x2 0x4>,
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<0x0 0x3 0x4>,
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<0x0 0x4 0x4>,
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<0x0 0x5 0x4>,
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<0x0 0x6 0x4>,
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<0x0 0x7 0x4>;
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};
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