From: Jean-Jacques Hiblot <jjhiblot@ti.com>
To: <jacek.anaszewski@gmail.com>, <pavel@ucw.cz>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>,
<daniel.thompson@linaro.org>
Cc: <dmurphy@ti.com>, <linux-leds@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
Jean-Jacques Hiblot <jjhiblot@ti.com>
Subject: [PATCH 2/2] dt-bindings: leds: document new "power-supply" property
Date: Mon, 8 Jul 2019 12:35:47 +0200 [thread overview]
Message-ID: <20190708103547.23528-3-jjhiblot@ti.com> (raw)
Message-ID: <20190708103547.JKkYlVE1YpomHQcKh0L-mpk5Ro1hwXZlwnC-4wkXdhc@z> (raw)
In-Reply-To: <20190708103547.23528-1-jjhiblot@ti.com>
Most of the LEDs are powered by a voltage/current regulator. describing in
the device-tree makes it possible for the LED core to enable/disable it
when needed.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
---
Documentation/devicetree/bindings/leds/common.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
index 70876ac11367..e093a2b7eb90 100644
--- a/Documentation/devicetree/bindings/leds/common.txt
+++ b/Documentation/devicetree/bindings/leds/common.txt
@@ -61,6 +61,11 @@ Optional properties for child nodes:
- panic-indicator : This property specifies that the LED should be used,
if at all possible, as a panic indicator.
+- power-supply : A voltage/current regulator used to to power the LED. When a
+ LED is turned off, the LED core disable its regulator. The
+ same regulator can power many LED (or other) devices. It is
+ turned off only when all of its users disabled it.
+
- trigger-sources : List of devices which should be used as a source triggering
this LED activity. Some LEDs can be related to a specific
device and should somehow indicate its state. E.g. USB 2.0
--
2.17.1
next prev parent reply other threads:[~2019-07-08 10:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-08 10:35 [PATCH 0/2] leds: Add control of the voltage/current regulator to the LED core Jean-Jacques Hiblot
2019-07-08 10:35 ` Jean-Jacques Hiblot
2019-07-08 10:35 ` [PATCH 1/2] " Jean-Jacques Hiblot
2019-07-08 10:35 ` Jean-Jacques Hiblot
2019-07-12 18:49 ` Dan Murphy
2019-07-12 18:49 ` Dan Murphy
2019-07-15 9:01 ` Jean-Jacques Hiblot
2019-07-15 9:24 ` Daniel Thompson
2019-07-15 9:47 ` Jean-Jacques Hiblot
2019-07-15 15:19 ` Daniel Thompson
2019-07-08 10:35 ` Jean-Jacques Hiblot [this message]
2019-07-08 10:35 ` [PATCH 2/2] dt-bindings: leds: document new "power-supply" property Jean-Jacques Hiblot
2019-07-12 18:38 ` Dan Murphy
2019-07-12 18:38 ` Dan Murphy
2019-07-24 16:47 ` Rob Herring
2019-07-25 11:08 ` Jean-Jacques Hiblot
2019-07-26 10:06 ` Daniel Thompson
2019-07-26 22:44 ` Rob Herring
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