diff mbox series

[v6,1/6] dt-bindings: iio: filter: Add lpf/hpf freq margins

Message ID 20250307150216.374643-1-sam.winchenbach@framepointer.org (mailing list archive)
State New
Headers show
Series [v6,1/6] dt-bindings: iio: filter: Add lpf/hpf freq margins | expand

Commit Message

Sam Winchenbach March 7, 2025, 3:02 p.m. UTC 
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     | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

Comments

Krzysztof Kozlowski March 10, 2025, 9:22 a.m. UTC | #1 
On Fri, Mar 07, 2025 at 10:02:11AM -0500, Sam Winchenbach wrote:
> 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     | 20 +++++++++++++++++++
>  1 file changed, 20 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml b/Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml
index b77e855bd594..ff0cb553e871 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>;
       };
     };
 ...