On Wed, Jan 10, 2024 at 05:37:10PM +0200, Dumitru Ceclan wrote:
> The LTC6373 is a silicon, 3-bit Fully-Differential digital instrumentation
> amplifier that supports the following programmable gains (Vout/Vin):
> G = 0.25, 0.5, 1, 2, 4, 8, 16 + Shutdown.
>
> Signed-off-by: Dumitru Ceclan <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Cheers,
Conor.
> ---
> .../bindings/iio/amplifiers/adi,hmc425a.yaml | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
> index a434cb8ddcc9..3a470459b965 100644
> --- a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
> +++ b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
> @@ -21,6 +21,8 @@ description: |
> HMC540S 1 dB LSB Silicon MMIC 4-Bit Digital Positive Control Attenuator, 0.1 - 8 GHz
> https://www.analog.com/media/en/technical-documentation/data-sheets/hmc540s.pdf
>
> + LTC6373 is a 3-Bit precision instrumentation amplifier with fully differential outputs
> + https://www.analog.com/media/en/technical-documentation/data-sheets/ltc6373.pdf
>
> properties:
> compatible:
> @@ -28,6 +30,7 @@ properties:
> - adi,adrf5740
> - adi,hmc425a
> - adi,hmc540s
> + - adi,ltc6373
>
> vcc-supply: true
>
> @@ -38,6 +41,7 @@ properties:
> ADRF5740 - 4 GPIO connected to D2-D5
> HMC540S - 4 GPIO connected to V1-V4
> HMC425A - 6 GPIO connected to V1-V6
> + LTC6373 - 3 GPIO connected to A0-A2
> minItems: 1
> maxItems: 6
>
> @@ -64,6 +68,16 @@ allOf:
> ctrl-gpios:
> minItems: 4
> maxItems: 4
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: adi,ltc6373
> + then:
> + properties:
> + ctrl-gpios:
> + minItems: 3
> + maxItems: 3
>
> required:
> - compatible
> --
> 2.42.0
>