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>
67 lines
1.5 KiB
YAML
67 lines
1.5 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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$id: http://devicetree.org/schemas/mailbox/brcm,iproc-pdc-mbox.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom iProc PDC mailbox
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maintainers:
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- Ray Jui <rjui@broadcom.com>
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- Scott Branden <sbranden@broadcom.com>
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description:
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The PDC driver manages data transfer to and from various offload engines on
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some Broadcom SoCs. An SoC may have multiple PDC hardware blocks. There is one
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device tree entry per block. On some chips, the PDC functionality is handled
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by the FA2 (Northstar Plus).
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properties:
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compatible:
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enum:
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- brcm,iproc-pdc-mbox
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- brcm,iproc-fa2-mbox
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reg:
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maxItems: 1
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dma-coherent: true
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interrupts:
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maxItems: 1
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'#mbox-cells':
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const: 1
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brcm,rx-status-len:
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description:
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Length of metadata preceding received frames, in bytes.
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$ref: /schemas/types.yaml#/definitions/uint32
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brcm,use-bcm-hdr:
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type: boolean
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description:
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Present if a BCM header precedes each frame.
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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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- brcm,rx-status-len
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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mailbox0@612c0000 {
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compatible = "brcm,iproc-pdc-mbox";
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reg = <0x612c0000 0x445>;
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interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
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#mbox-cells = <1>;
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brcm,rx-status-len = <32>;
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brcm,use-bcm-hdr;
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};
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