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>
68 lines
2.0 KiB
YAML
68 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/i2c/tsd,mule-i2c-mux.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Theobroma Systems Mule I2C multiplexer
|
|
|
|
maintainers:
|
|
- Farouk Bouabid <farouk.bouabid@cherry.de>
|
|
- Quentin Schulz <quentin.schulz@cherry.de>
|
|
|
|
description: |
|
|
Theobroma Systems Mule is an MCU that emulates a set of I2C devices, among
|
|
which devices that are reachable through an I2C-mux. The devices on the mux
|
|
can be selected by writing the appropriate device number to an I2C config
|
|
register.
|
|
|
|
+--------------------------------------------------+
|
|
| Mule |
|
|
0x18| +---------------+ |
|
|
-------->|Config register|----+ |
|
|
| +---------------+ | |
|
|
| V_ |
|
|
| | \ +--------+ |
|
|
| | \-------->| dev #0 | |
|
|
| | | +--------+ |
|
|
0x6f| | M |-------->| dev #1 | |
|
|
---------------------------->| U | +--------+ |
|
|
| | X |-------->| dev #2 | |
|
|
| | | +--------+ |
|
|
| | /-------->| dev #3 | |
|
|
| |__/ +--------+ |
|
|
+--------------------------------------------------+
|
|
|
|
allOf:
|
|
- $ref: /schemas/i2c/i2c-mux.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
const: tsd,mule-i2c-mux
|
|
|
|
required:
|
|
- compatible
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
i2c-mux {
|
|
compatible = "tsd,mule-i2c-mux";
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
i2c@0 {
|
|
reg = <0x0>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
rtc@6f {
|
|
compatible = "isil,isl1208";
|
|
reg = <0x6f>;
|
|
};
|
|
};
|
|
};
|
|
...
|
|
|