The pca9685 driver supports a new staggered-outputs property for reduced
current surges and EMI. This adds documentation for the new DT property.
Signed-off-by: Clemens Gruber <[email protected]>
---
Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
index f21b55c95738..911bbb65984e 100644
--- a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
@@ -12,6 +12,8 @@ Optional properties:
- invert (bool): boolean to enable inverted logic
- open-drain (bool): boolean to configure outputs with open-drain structure;
if omitted use totem-pole structure
+ - staggered-outputs (bool): boolean to enable staggered output ON times to
+ minimize current surges and EMI
Example:
--
2.29.2
On Wed, Nov 18, 2020 at 06:45:15PM +0100, Clemens Gruber wrote:
> The pca9685 driver supports a new staggered-outputs property for reduced
> current surges and EMI. This adds documentation for the new DT property.
Maybe point out the commit that added this support here?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | https://www.pengutronix.de/ |
Hi,
On Fri, Nov 20, 2020 at 09:21:50AM +0100, Uwe Kleine-K?nig wrote:
> On Wed, Nov 18, 2020 at 06:45:15PM +0100, Clemens Gruber wrote:
> > The pca9685 driver supports a new staggered-outputs property for reduced
> > current surges and EMI. This adds documentation for the new DT property.
>
> Maybe point out the commit that added this support here?
The pca9685 driver patch was not yet accepted and there will be a v2.
Should I wait until the support is in Linus' tree and only then send a
dt-bindings documentation patch, mentioning the commit?
Best regards,
Clemens
On Fri, Nov 20, 2020 at 01:36:54PM +0100, Clemens Gruber wrote:
> Hi,
>
> On Fri, Nov 20, 2020 at 09:21:50AM +0100, Uwe Kleine-K?nig wrote:
> > On Wed, Nov 18, 2020 at 06:45:15PM +0100, Clemens Gruber wrote:
> > > The pca9685 driver supports a new staggered-outputs property for reduced
> > > current surges and EMI. This adds documentation for the new DT property.
> >
> > Maybe point out the commit that added this support here?
>
> The pca9685 driver patch was not yet accepted and there will be a v2.
>
> Should I wait until the support is in Linus' tree and only then send a
> dt-bindings documentation patch, mentioning the commit?
Then I'd say add the dt-bindings patch to the series adding this
support.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | https://www.pengutronix.de/ |