diff mbox

[v2,1/2] dt-bindings: iio: stm32-adc: add option to set resolution

Message ID 1490963559-32159-2-git-send-email-fabrice.gasnier@st.com
State Not Applicable, archived
Headers show

Commit Message

Fabrice Gasnier March 31, 2017, 12:32 p.m. UTC
Add documentation for 'assigned-resolution-bits' dt optional property.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
---
Changes in v2:
- rename property from 'st,adc-res' to 'assigned-resolution-bits' so it
  is more common.
---
 Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Rob Herring April 3, 2017, 4:46 p.m. UTC | #1
On Fri, Mar 31, 2017 at 02:32:37PM +0200, Fabrice Gasnier wrote:
> Add documentation for 'assigned-resolution-bits' dt optional property.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
> ---
> Changes in v2:
> - rename property from 'st,adc-res' to 'assigned-resolution-bits' so it
>   is more common.
> ---
>  Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 4 ++++
>  1 file changed, 4 insertions(+)

Acked-by: Rob Herring <robh@kernel.org> 
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Jonathan Cameron April 3, 2017, 7:45 p.m. UTC | #2
On 03/04/17 17:46, Rob Herring wrote:
> On Fri, Mar 31, 2017 at 02:32:37PM +0200, Fabrice Gasnier wrote:
>> Add documentation for 'assigned-resolution-bits' dt optional property.
>>
>> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
>> ---
>> Changes in v2:
>> - rename property from 'st,adc-res' to 'assigned-resolution-bits' so it
>>   is more common.
>> ---
>>  Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 4 ++++
>>  1 file changed, 4 insertions(+)
> 
> Acked-by: Rob Herring <robh@kernel.org> 
Thanks.

Applied to the togreg branch of iio.git.  Will push out as testing for
the autobuilders to have a chance to play with it.

Jonathan
> --
> To unsubscribe from this list: send the line "unsubscribe linux-iio" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
index 5dfc88e..e35f9f1 100644
--- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
@@ -57,6 +57,9 @@  Optional properties:
 - dmas: Phandle to dma channel for this ADC instance.
   See ../../dma/dma.txt for details.
 - dma-names: Must be "rx" when dmas property is being used.
+- assigned-resolution-bits: Resolution (bits) to use for conversions. Must
+  match device available resolutions (e.g. can be 6, 8, 10 or 12 on stm32f4).
+  Default is maximum resolution if unset.
 
 Example:
 	adc: adc@40012000 {
@@ -84,6 +87,7 @@  Example:
 			st,adc-channels = <8>;
 			dmas = <&dma2 0 0 0x400 0x0>;
 			dma-names = "rx";
+			assigned-resolution-bits = <8>;
 		};
 		...
 		other adc child nodes follow...