From ff96eb45baf2803f3c529fe79c76659c9af1a3fc Mon Sep 17 00:00:00 2001 From: Dumitru Ceclan Date: Tue, 20 Feb 2024 17:34:52 +0200 Subject: [PATCH] dt-bindings: iio: hmc425a: add entry for LTC6373 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. Acked-by: Conor Dooley Signed-off-by: Dumitru Ceclan Link: https://lore.kernel.org/r/20240220153553.2432-5-mitrutzceclan@gmail.com Signed-off-by: Jonathan Cameron --- .../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 a434cb8ddcc9b..3a470459b9658 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 -- 2.39.5