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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/freescale/fsl,seco_mu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP i.MX8 SECO MU driver
maintainers:
- Aisheng Dong <aisheng.dong@nxp.com>
description: |
Create char devices in /dev as channels of the form /dev/seco_muXchY with X
the id of the driver and Y for each users. It allows to send and receive
messages to the SECO.
properties:
compatible:
enum:
- fsl,imx-seco-mu
mboxes:
description:
List of <&phandle type channel> - 4 channels for TX, 4 channels for RX,
1 channel for TXDB (see mailbox/fsl,mu.txt)
maxItems: 9
mbox-names:
items:
- const: tx0
- const: tx1
- const: tx2
- const: tx3
- const: rx0
- const: rx1
- const: rx2
- const: rx3
- const: tx_started
fsl,seco_mu_id:
description:
Identify the driver instance, used to create the channels, default to 1
allOf:
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [0,1,2,3]
fsl,seco_max_users:
description:
Number of channels to create, default to 2
allOf:
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [0,1,2,3,4,5,6,7,8,9]
required:
- compatible
- mboxes
- mbox-names
examples:
- |
seco_mu: seco_mu {
compatible = "fsl,imx-seco-mu";
mbox-names = "tx0", "tx1", "tx2", "tx3",
"rx0", "rx1", "rx2", "rx3",
"tx_started";
mboxes = <&mu 0 0
&mu 0 1
&mu 0 2
&mu 0 3
&mu 1 0
&mu 1 1
&mu 1 2
&mu 1 3
&mu 2 0>;
fsl,seco_mu_id = <1>;
fsl,seco_max_users = <4>;
};
|
