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| author | Axel Haslam <ahaslam@baylibre.com> | 2024-10-31 08:17:42 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-11-03 20:33:42 +0000 |
| commit | 6e0ba34bfebb1d38c81a5e5ec6d7fb2bbc4acbac (patch) | |
| tree | 20747a09eedea283e3a1d66eb8f53d4eda6c9f32 | |
| parent | baaa92d284d56b261ab58a7e8cbd39634e849421 (diff) | |
| download | linux-stable-6e0ba34bfebb1d38c81a5e5ec6d7fb2bbc4acbac.tar.gz linux-stable-6e0ba34bfebb1d38c81a5e5ec6d7fb2bbc4acbac.zip | |
dt-bindings: iio: dac: ad5791: Add required voltage supplies
Vcc, iovcc, vrefp, and vrefn are needed for the DAC to work.
Add them as required bindings for ad5791.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
Link: https://patch.msgid.link/20241031071746.848694-3-ahaslam@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml index fe664378c966..79cb4b78a88a 100644 --- a/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml @@ -26,6 +26,22 @@ properties: vdd-supply: true vss-supply: true + vcc-supply: + description: + Supply that powers the chip. + + iovcc-supply: + description: + Supply for the digital interface. + + vrefp-supply: + description: + Positive referance input voltage range. From 5v to (vdd - 2.5) + + vrefn-supply: + description: + Negative referance input voltage range. From (vss + 2.5) to 0. + adi,rbuf-gain2-en: description: Specify to allow an external amplifier to be connected in a gain of two configuration. @@ -47,6 +63,10 @@ required: - reg - vdd-supply - vss-supply + - vcc-supply + - iovcc-supply + - vrefp-supply + - vrefn-supply allOf: - $ref: /schemas/spi/spi-peripheral-props.yaml# @@ -65,6 +85,10 @@ examples: reg = <0>; vss-supply = <&dac_vss>; vdd-supply = <&dac_vdd>; + vcc-supply = <&dac_vcc>; + iovcc-supply = <&dac_iovcc>; + vrefp-supply = <&dac_vrefp>; + vrefn-supply = <&dac_vrefn>; reset-gpios = <&gpio_bd 16 GPIO_ACTIVE_LOW>; clear-gpios = <&gpio_bd 17 GPIO_ACTIVE_LOW>; ldac-gpios = <&gpio_bd 18 GPIO_ACTIVE_HIGH>; |