On Thu May 22 16:35:05 2025 +0200, Mathis Foerst wrote:
> The MT9M114 supports the different slew rates (0 to 7) on the output pads.
> At the moment, this is hardcoded to 7 (the fastest rate).
> The user might want to change this values due to EMC requirements.
>
> Add the 'slew-rate' property to the MT9M114 DT-bindings for selecting
> the desired slew rate.
>
> Signed-off-by: Mathis Foerst <mathis.foe...@mt.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org>
> Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
> Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>
Patch committed.
Thanks,
Hans Verkuil
Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml | 9 +++++++++
1 file changed, 9 insertions(+)
---
diff --git a/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml
b/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml
index f6b87892068a..a89f740214f7 100644
--- a/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml
@@ -70,6 +70,15 @@ properties:
- bus-type
- link-frequencies
+ slew-rate:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Slew rate ot the output pads DOUT[7:0], LINE_VALID, FRAME_VALID and
+ PIXCLK. Higher values imply steeper voltage-flanks on the pads.
+ minimum: 0
+ maximum: 7
+ default: 7
+
required:
- compatible
- reg
