From: Sam Winchenbach Date: Fri, 28 Mar 2025 17:48:26 +0000 (-0400) Subject: dt-bindings: iio: filter: Add lpf/hpf freq margins X-Git-Tag: v6.16-rc1~30^2~4^2~240 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=485eefd7f973501889a8d479127612d43eb08af0;p=thirdparty%2Fkernel%2Fstable.git dt-bindings: iio: filter: Add lpf/hpf freq margins Adds two properties to add a margin when automatically finding the corner frequencies. Signed-off-by: Sam Winchenbach Reviewed-by: Krzysztof Kozlowski Link: https://patch.msgid.link/20250328174831.227202-2-sam.winchenbach@framepointer.org Signed-off-by: Jonathan Cameron --- diff --git a/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml b/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml index b77e855bd5946..ff0cb553e8716 100644 --- a/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml +++ b/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml @@ -44,6 +44,24 @@ properties: '#clock-cells': const: 0 + adi,lpf-margin-mhz: + description: + Sets the minimum distance between the fundamental frequency of `rf_in` + and the corner frequency of the low-pass, output filter when operated in + 'auto' mode. The selected low-pass corner frequency will be greater than, + or equal to, `rf_in` + `lpf-margin-hz`. If not setting is found that + satisfies this relationship the filter will be put into 'bypass'. + default: 0 + + adi,hpf-margin-mhz: + description: + Sets the minimum distance between the fundamental frequency of `rf_in` + and the corner frequency of the high-pass, input filter when operated in + 'auto' mode. The selected high-pass corner frequency will be less than, + or equal to, `rf_in` - `hpf-margin-hz`. If not setting is found that + satisfies this relationship the filter will be put into 'bypass'. + default: 0 + required: - compatible - reg @@ -61,6 +79,8 @@ examples: spi-max-frequency = <10000000>; clocks = <&admv8818_rfin>; clock-names = "rf_in"; + adi,lpf-margin-mhz = <300>; + adi,hpf-margin-mhz = <300>; }; }; ...