linux-kernel - [PATCH v4 4/4] dt-bindings: pwm: pca9685: Add nxp,staggered-outputs property

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Message-Id: <20201207193810.493299-1-clemens.gruber@pqgruber.com>
Date:   Mon,  7 Dec 2020 20:38:10 +0100
From:   Clemens Gruber <clemens.gruber@...ruber.com>
To:     linux-pwm@...r.kernel.org
Cc:     Thierry Reding <thierry.reding@...il.com>,
        u.kleine-koenig@...gutronix.de, Lee Jones <lee.jones@...aro.org>,
        linux-kernel@...r.kernel.org,
        Clemens Gruber <clemens.gruber@...ruber.com>
Subject: [PATCH v4 4/4] dt-bindings: pwm: pca9685: Add nxp,staggered-outputs property

The pca9685 driver supports a new nxp,staggered-outputs property for
reduced current surges and EMI. This adds documentation for the new DT
property.

Signed-off-by: Clemens Gruber <clemens.gruber@...ruber.com>
---
Changes since v1:
- Added vendor prefix

 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..fafe954369dc 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
+  - nxp,staggered-outputs (bool): boolean to enable staggered output ON times to
+				  minimize current surges and EMI
 
 Example:
 
-- 
2.29.2