Add device-tree binding documentation for the tps380x reset driver. The binding uses enum to make it easy to add more devices from that family. Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- Changelog: v2: - added Krzysztof rb .../bindings/reset/ti,tps380x-reset.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml diff --git a/Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml b/Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml new file mode 100644 index 000000000000..afc835eda0ef --- /dev/null +++ b/Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/ti,tps380x-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI TPS380x reset controller node bindings + +maintainers: + - Marco Felsch <kernel@xxxxxxxxxxxxxx> + +description: | + The TPS380x family [1] of supervisory circuits monitor supply voltages to + provide circuit initialization and timing supervision. The devices assert a + RESET signal if the voltage drops below a preset threshold or upon a manual + reset input (MR). The RESET output remains asserted for the factory + programmed delay after the voltage return above its threshold or after the + manual reset input is released. + + [1] https://www.ti.com/product/TPS3801 + +properties: + compatible: + enum: + - ti,tps3801 + + reset-gpios: + maxItems: 1 + description: Reference to the GPIO connected to the MR pin. + + "#reset-cells": + const: 0 + +required: + - compatible + - reset-gpios + - "#reset-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + reset: reset-controller { + compatible = "ti,tps3801"; + #reset-cells = <0>; + reset-gpios = <&gpio3 2 GPIO_ACTIVE_LOW>; + }; +... -- 2.30.2
