63 lines
1.4 KiB
YAML
63 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/arm/freescale/fsl,seco_mu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP i.MX8 SECO MU driver
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maintainers:
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- Aisheng Dong <aisheng.dong@nxp.com>
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description: |
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Create char devices in /dev as channels of the form /dev/seco_muXchY with X
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the id of the driver and Y for each users. It allows to send and receive
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messages to the SECO.
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properties:
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compatible:
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enum:
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- fsl,imx-seco-mu
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mboxes:
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description:
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List of <&phandle type channel> - 4 channels for TX, 4 channels for RX,
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1 channel for TXDB (see mailbox/fsl,mu.txt)
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maxItems: 9
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mbox-names:
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items:
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- const: txdb
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- const: rxdb
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fsl,seco_mu_id:
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description:
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Identify the driver instance, used to create the channels, default to 1
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allOf:
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- $ref: /schemas/types.yaml#/definitions/uint32
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- enum: [0,1,2,3]
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fsl,seco_max_users:
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description:
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Number of channels to create, default to 4
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allOf:
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- $ref: /schemas/types.yaml#/definitions/uint32
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- enum: [0,1,2,3,4,5,6,7,8,9]
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required:
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- compatible
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- mboxes
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- mbox-names
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examples:
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- |
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seco_mu: seco_mu {
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compatible = "fsl,imx-seco-mu";
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mbox-names = "txdb", "rxdb";
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mboxes = <&mu 2 0
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&mu 3 0>;
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fsl,seco_mu_id = <1>;
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fsl,seco_max_users = <4>;
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};
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