[PATCH v4 2/2] dt-bindings: iio: filter: Add lpf/hpf freq margins

Sam Winchenbach
2025-02-25T13:47:01Z

Adds two properties to add a margin when automatically finding the
corner frequencies.

Signed-off-by: Sam Winchenbach <sam.winchenbach@framepointer.org>
---
.../bindings/iio/filter/adi,admv8818.yaml | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml b/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml
index b77e855bd594..2acdbd8d84cb 100644
--- a/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml
+++ b/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml
@@ -44,6 +44,18 @@ properties:
'#clock-cells':
const: 0

+ adi,lpf-margin-hz:
+ description:
+ Sets minimum low-pass corner frequency to the frequency of rf_in plus
+ this value when in auto mode.
+ default: 0
+
+ adi,hpf-margin-hz:
+ description:
+ Sets maximum high-pass corner frequency to the frequency of rf_in minus
+ this value when in auto mode.
+ default: 0
+
required:
- compatible
- reg
@@ -61,6 +73,8 @@ examples:
spi-max-frequency = <10000000>;
clocks = <&admv8818_rfin>;
clock-names = "rf_in";
+ adi,lpf-margin-hz = /bits/ 64 <30000000>;
+ adi,hpf-margin-hz = /bits/ 64 <30000000>;
};
};
...
--
2.48.1