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c969c1e562
On the example, the ldac gpio is flagged as active high, when in reality
its an active low gpio. Fix the example by using the active low flag for
the ldac gpio.
Fixes: baaa92d284 ("dt-bindings: iio: dac: ad5791: Add optional reset, clr and ldac gpios")
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20241106103824.579292-1-ahaslam@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
98 lines
2.0 KiB
YAML
98 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/dac/adi,ad5791.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog Devices AD5791 and similar DACs
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maintainers:
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- Michael Hennerich <michael.hennerich@analog.com>
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- Jonathan Cameron <jic23@kernel.org>
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properties:
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compatible:
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enum:
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- adi,ad5760
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- adi,ad5780
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- adi,ad5781
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- adi,ad5790
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- adi,ad5791
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reg:
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maxItems: 1
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vdd-supply: true
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vss-supply: true
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vcc-supply:
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description:
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Supply that powers the chip.
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iovcc-supply:
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description:
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Supply for the digital interface.
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vrefp-supply:
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description:
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Positive referance input voltage range. From 5v to (vdd - 2.5)
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vrefn-supply:
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description:
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Negative referance input voltage range. From (vss + 2.5) to 0.
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adi,rbuf-gain2-en:
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description: Specify to allow an external amplifier to be connected in a
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gain of two configuration.
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type: boolean
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reset-gpios:
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maxItems: 1
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clear-gpios:
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maxItems: 1
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ldac-gpios:
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description:
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LDAC pin to be used as a hardware trigger to update the DAC channels.
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maxItems: 1
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required:
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- compatible
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- reg
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- vdd-supply
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- vss-supply
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- vcc-supply
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- iovcc-supply
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- vrefp-supply
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- vrefn-supply
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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dac@0 {
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compatible = "adi,ad5791";
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reg = <0>;
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vss-supply = <&dac_vss>;
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vdd-supply = <&dac_vdd>;
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vcc-supply = <&dac_vcc>;
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iovcc-supply = <&dac_iovcc>;
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vrefp-supply = <&dac_vrefp>;
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vrefn-supply = <&dac_vrefn>;
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reset-gpios = <&gpio_bd 16 GPIO_ACTIVE_LOW>;
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clear-gpios = <&gpio_bd 17 GPIO_ACTIVE_LOW>;
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ldac-gpios = <&gpio_bd 18 GPIO_ACTIVE_LOW>;
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};
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};
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...
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