70 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/i2c/tsd,mule-i2c-mux.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Theobroma Systems Mule I2C multiplexer8 9maintainers:10 - Farouk Bouabid <farouk.bouabid@cherry.de>11 - Quentin Schulz <quentin.schulz@cherry.de>12 13description: |14 Theobroma Systems Mule is an MCU that emulates a set of I2C devices, among15 which devices that are reachable through an I2C-mux. The devices on the mux16 can be selected by writing the appropriate device number to an I2C config17 register.18 19 20 +--------------------------------------------------+21 | Mule |22 0x18| +---------------+ |23 -------->|Config register|----+ |24 | +---------------+ | |25 | V_ |26 | | \ +--------+ |27 | | \-------->| dev #0 | |28 | | | +--------+ |29 0x6f| | M |-------->| dev #1 | |30 ---------------------------->| U | +--------+ |31 | | X |-------->| dev #2 | |32 | | | +--------+ |33 | | /-------->| dev #3 | |34 | |__/ +--------+ |35 +--------------------------------------------------+36 37 38allOf:39 - $ref: /schemas/i2c/i2c-mux.yaml#40 41properties:42 compatible:43 const: tsd,mule-i2c-mux44 45required:46 - compatible47 48unevaluatedProperties: false49 50examples:51 - |52 i2c-mux {53 compatible = "tsd,mule-i2c-mux";54 #address-cells = <1>;55 #size-cells = <0>;56 57 i2c@0 {58 reg = <0x0>;59 #address-cells = <1>;60 #size-cells = <0>;61 62 rtc@6f {63 compatible = "isil,isl1208";64 reg = <0x6f>;65 };66 };67 };68...69 70