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authorDumitru Ceclan <mitrutzceclan@gmail.com>2024-02-20 16:34:52 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2024-02-28 20:26:36 +0100
commitff96eb45baf2803f3c529fe79c76659c9af1a3fc (patch)
treead38e4c347812c9fb15a625fe568a9ad7f84d79e /Documentation/devicetree/bindings
parentdt-bindings: iio: hmc425a: add conditional GPIO array size constraints (diff)
downloadlinux-ff96eb45baf2803f3c529fe79c76659c9af1a3fc.tar.xz
linux-ff96eb45baf2803f3c529fe79c76659c9af1a3fc.zip
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 <conor.dooley@microchip.com> Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com> Link: https://lore.kernel.org/r/20240220153553.2432-5-mitrutzceclan@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation/devicetree/bindings')
-rw-r--r--Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml14
1 files changed, 14 insertions, 0 deletions
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