diff options
| author | David Lechner <dlechner@baylibre.com> | 2025-06-27 18:40:04 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-07-01 22:06:05 +0100 |
| commit | e47a324d6f07c9ef252cfce1f14cfa5110cbed99 (patch) | |
| tree | 9f60206dec1cbca3d01ea36172c0fbebde8e0af3 | |
| parent | d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af (diff) | |
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>
| -rw-r--r-- | Documentation/devicetree/bindings/trigger-source/adi,util-sigma-delta-spi.yaml | 49 | ||||
| -rw-r--r-- | MAINTAINERS | 5 |
2 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/trigger-source/adi,util-sigma-delta-spi.yaml b/Documentation/devicetree/bindings/trigger-source/adi,util-sigma-delta-spi.yaml new file mode 100644 index 000000000000..ea466179551c --- /dev/null +++ b/Documentation/devicetree/bindings/trigger-source/adi,util-sigma-delta-spi.yaml @@ -0,0 +1,49 @@ +# 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>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 4bac4ea21b64..d7b5e8572279 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -25235,6 +25235,11 @@ W: https://github.com/srcres258/linux-doc T: git git://github.com/srcres258/linux-doc.git doc-zh-tw F: Documentation/translations/zh_TW/ +TRIGGER SOURCE - ADI UTIL SIGMA DELTA SPI +M: David Lechner <dlechner@baylibre.com> +S: Maintained +F: Documentation/devicetree/bindings/trigger-source/adi,util-sigma-delta-spi.yaml + TRIGGER SOURCE - PWM M: David Lechner <dlechner@baylibre.com> S: Maintained |