From: Johannes Pointner <johannes.pointner@gmail.com>
To: Lee Jones <lee.jones@linaro.org>, Samuel Ortiz <sameo@linux.intel.com>
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 2/2] dt: bindings: tps65217: add compatible property for backlight subnode
Date: Wed, 08 Oct 2014 23:20:28 +0200 [thread overview]
Message-ID: <4202809.cQlU8Tr5kS@lenovobook> (raw)
Add documentation for compatible property of backlight subnode.
Signed-off-by: Johannes Pointner <johannes.pointner@br-automation.com>
---
Changes since v2:
1. Removed the pmic part of the patch.
2. Added newline before subnode in the example.
---
.../devicetree/bindings/video/backlight/tps65217-backlight.txt | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
index 5fb9279..63ef699 100644
--- a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
+++ b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
@@ -6,19 +6,23 @@ used to drive LEDs for use as backlights.
Required properties:
- compatible: "ti,tps65217"
- reg: I2C slave address
-- backlight: node for specifying WLED1 and WLED2 lines in TPS65217
+- backlight: subnode for specifying WLED1 and WLED2 lines in TPS65217
+
+Required subnode properties:
+- compatible: "ti,tps65217-bl"
- isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level)
- fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000
- default-brightness: valid values: 0-100
-Each regulator is defined using the standard binding for regulators.
Example:
tps: tps@24 {
reg = <0x24>;
compatible = "ti,tps65217";
- backlight {
+
+ tps_bl: backlight {
+ compatible = "ti,tps65217-bl";
isel = <1>; /* 1 - ISET1, 2 ISET2 */
fdim = <100>; /* TPS65217_BL_FDIM_100HZ */
default-brightness = <50>;
--
2.1.2
next reply other threads:[~2014-10-08 21:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-08 21:20 Johannes Pointner [this message]
2014-10-30 6:43 ` Johannes Pointner
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