linux/Documentation/devicetree/bindings/trigger-source/adi,util-sigma-delta-spi.yaml
David Lechner e47a324d6f
dt-bindings: trigger-source: add ADI Util Sigma-Delta SPI
Add new binding for the ADI Util Sigma-Delta SPI FPGA IP Core.

This is used to trigger a SPI offload based on a RDY signal from the
ADC while masking out other signals on the same line.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250627-iio-adc-ad7173-add-spi-offload-support-v2-8-f49c55599113@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-01 22:06:05 +01:00

50 lines
1.1 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (c) 2025 Analog Devices, Inc.
# Copyright (c) 2025 BayLibre, SAS
%YAML 1.2
---
$id: http://devicetree.org/schemas/trigger-source/adi,util-sigma-delta-spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices Util Sigma-Delta SPI IP Core
maintainers:
- David Lechner <dlechner@baylibre.com>
description:
The Util Sigma-Delta SPI is an FPGA IP core from Analog Devices that provides
a SPI offload trigger from the RDY signal of the combined DOUT/RDY pin of
the sigma-delta family of ADCs.
https://analogdevicesinc.github.io/hdl/library/util_sigma_delta_spi/index.html
properties:
compatible:
const: adi,util-sigma-delta-spi
reg:
maxItems: 1
clocks:
maxItems: 1
'#trigger-source-cells':
const: 0
required:
- compatible
- reg
- clocks
- '#trigger-source-cells'
additionalProperties: false
examples:
- |
trigger@40000 {
reg = <0x40000 0x1000>;
compatible = "adi,util-sigma-delta-spi";
clocks = <&clk 0>;
#trigger-source-cells = <0>;
};