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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/connector/gocontroll,moduline-module-slot.yaml
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# 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/connector/gocontroll,moduline-module-slot.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: GOcontroll Moduline Module slot

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maintainers:

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  - Maud Spierings <maudspierings@gocontroll.com>

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description:

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  The GOcontroll Moduline module slot represents a connector that fullfills the

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  Moduline slot specification, and can thus house any IO module that is also

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  built to this spec.

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properties:

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  compatible:

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    const: gocontroll,moduline-module-slot

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  reg:

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    maxItems: 1

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  interrupts:

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    description: indicates readiness, high means busy.

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    maxItems: 1

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  reset-gpios:

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    description: resets the module, active low.

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    maxItems: 1

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  sync-gpios:

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    description: sync line between all module slots.

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    maxItems: 1

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  vdd-supply:

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    description: low power 3v3 supply generally for the microcontroller.

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  vddp-supply:

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    description: medium power 5v0 supply for on module low power peripherals.

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  vddhpp-supply:

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    description: high power 6v-8v supply for on module high power peripherals.

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  power-supply:

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    description: high power 6v-30v supply for high power module circuits.

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  i2c-bus:

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    description: i2c bus shared between module slots and the SoC

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    $ref: /schemas/types.yaml#/definitions/phandle

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  slot-number:

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    description:

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      The number of the module slot representing the location of on the pcb.

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      This enables access to the modules based on slot location.

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    $ref: /schemas/types.yaml#/definitions/uint32

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  spi-max-frequency: true

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required:

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  - compatible

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  - reg

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  - reset-gpios

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  - interrupts

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  - sync-gpios

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  - i2c-bus

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  - slot-number

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/gpio/gpio.h>

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    #include <dt-bindings/interrupt-controller/irq.h>

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    spi {

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        #address-cells = <1>;

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        #size-cells = <0>;

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        connector@0 {

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            reg = <0>;

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            compatible = "gocontroll,moduline-module-slot";

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            reset-gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;

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            sync-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;

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            interrupt-parent = <&gpio4>;

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            interrupts = <5 IRQ_TYPE_EDGE_FALLING>;

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            vdd-supply = <&reg_3v3_per>;

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            vddp-supply = <&reg_5v0>;

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            vddhpp-supply = <&reg_6v4>;

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            i2c-bus = <&i2c2>;

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            slot-number = <1>;

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        };

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    };

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