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[4/7] dt-bindings: iio: sx9324: Add internal compensation resistor setting

Message ID 20220315173042.1325858-5-gwendal@chromium.org (mailing list archive)
State Changes Requested
Headers show
Series Add settings for precharge and internal resistor | expand

Commit Message

Gwendal Grignou March 15, 2022, 5:30 p.m. UTC
Allow setting the internal resistor used for compensation.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
---
 .../bindings/iio/proximity/semtech,sx9324.yaml        | 11 +++++++++++
 1 file changed, 11 insertions(+)

Comments

Jonathan Cameron March 20, 2022, 12:44 p.m. UTC | #1
On Tue, 15 Mar 2022 10:30:39 -0700
Gwendal Grignou <gwendal@chromium.org> wrote:

> Allow setting the internal resistor used for compensation.
> 
> Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
> ---
>  .../bindings/iio/proximity/semtech,sx9324.yaml        | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
> index cd8ed50f2882a..9a046f62579be 100644
> --- a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
> +++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
> @@ -126,6 +126,16 @@ properties:
>        UINT_MAX (4294967295) represents infinite. Other values
>        represent 1-1/N.
>  
> +  semtech,int-comp-resistor:
> +    description:
> +      Internal resistor setting for compensation.

Can we add any info on how a board designer would choose this value?
What is affect of going higher?

> +    enum:
> +      - lowest
> +      - low
> +      - high
> +      - highest
> +    default: lowest
> +
>    semtech,input-precharge-resistor:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      default: 4
> @@ -165,6 +175,7 @@ examples:
>          semtech,ph01-proxraw-strength = <2>;
>          semtech,ph23-proxraw-strength = <2>;
>          semtech,avg-pos-strength = <64>;
> +        semtech,int-comp-resistor = "lowest";
>          semtech,input-precharge-resistor = <2>;
>        };
>      };
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Patch

diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
index cd8ed50f2882a..9a046f62579be 100644
--- a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
+++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
@@ -126,6 +126,16 @@  properties:
       UINT_MAX (4294967295) represents infinite. Other values
       represent 1-1/N.
 
+  semtech,int-comp-resistor:
+    description:
+      Internal resistor setting for compensation.
+    enum:
+      - lowest
+      - low
+      - high
+      - highest
+    default: lowest
+
   semtech,input-precharge-resistor:
     $ref: /schemas/types.yaml#/definitions/uint32
     default: 4
@@ -165,6 +175,7 @@  examples:
         semtech,ph01-proxraw-strength = <2>;
         semtech,ph23-proxraw-strength = <2>;
         semtech,avg-pos-strength = <64>;
+        semtech,int-comp-resistor = "lowest";
         semtech,input-precharge-resistor = <2>;
       };
     };