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author | Marco Felsch <m.felsch@pengutronix.de> | 2022-05-30 12:22:25 +0300 |
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committer | Philipp Zabel <p.zabel@pengutronix.de> | 2022-07-26 18:32:24 +0300 |
commit | 729a8a57355f12d9ecba150fbef693e51b99e7ec (patch) | |
tree | d735736b3e68027fad1822efd1aa65a744866ec9 /Documentation/devicetree/bindings/reset | |
parent | 9c68d4e621ebfc166f672fa7afe14591f91d144c (diff) | |
download | linux-729a8a57355f12d9ecba150fbef693e51b99e7ec.tar.xz |
dt-bindings: reset: Add TPS380x documentation
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@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20220530092226.748644-1-m.felsch@pengutronix.de
Diffstat (limited to 'Documentation/devicetree/bindings/reset')
-rw-r--r-- | Documentation/devicetree/bindings/reset/ti,tps380x-reset.yaml | 49 |
1 files changed, 49 insertions, 0 deletions
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@pengutronix.de> + +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>; + }; +... |