linux-kernel - [PATCH 3/4] dt: bindings: lm3692x: Update binding for LED sync control

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Message-ID: <20180702181216.19660-3-dmurphy@ti.com>
Date:   Mon, 2 Jul 2018 13:12:15 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <jacek.anaszewski@...il.com>, <andy.shevchenko@...il.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-leds@...r.kernel.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH 3/4] dt: bindings: lm3692x: Update binding for LED sync control

Update the binding to be able to configure the LED
sync to turn on.

The LM36922 has one output but can sync current to 2 LED
strings.  The user may only use one sync so the other
syncs need to be disabled.

The LM36923 has 3 LED syncs.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 Documentation/devicetree/bindings/leds/leds-lm3692x.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
index 6c9074f84a51..08b352840bd7 100644
--- a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
+++ b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
@@ -20,7 +20,10 @@ Optional properties:
 	- vled-supply : LED supply
 
 Required child properties:
-	- reg : 0
+	- reg : 0 - Will enable all LED sync paths
+		1 - Will enable the LED1 sync
+		2 - Will enable the LED2 sync
+		3 - Will enable the LED3 sync (LM36923 only)
 
 Optional child properties:
 	- label : see Documentation/devicetree/bindings/leds/common.txt
-- 
2.17.0.582.gccdcbd54c