linux-kernel - [RESUBMIT PATCH v5 4/8] devicetree: backlight: Add new SKY81452 backlight binding

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Message-Id: <1414393369-31583-5-git-send-email-jack.yoo@skyworksinc.com>
Date:	Mon, 27 Oct 2014 16:02:45 +0900
From:	gyungoh@...il.com
To:	sameo@...ux.intel.com, lee.jones@...aro.org, jg1.han@...sung.com,
	cooloney@...il.com, broonie@...nel.org, lgirdwood@...il.com
Cc:	jack.yoo@...worksinc.com, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, grant.likely@...aro.org,
	robh+dt@...nel.org, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	pawel.moll@....com, heiko@...ech.de, jason@...edaemon.net,
	shawn.guo@...escale.com, treding@...dia.com,
	florian.vaussard@...l.ch, trivial@...nel.org, linux@...ck-us.net,
	andrew@...n.ch, jic23@...nel.org
Subject: [RESUBMIT PATCH v5 4/8] devicetree: backlight: Add new SKY81452 backlight binding

From: Gyungoh Yoo <jack.yoo@...worksinc.com>

Signed-off-by: Gyungoh Yoo <jack.yoo@...worksinc.com>
---
Changes v5:
Nothing

Changes v4:
Nothing

Changes v3:
Nothing

Changes v2:
Added reg attribute for I2C slave address

 .../video/backlight/sky81452-backlight.txt         | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt

diff --git a/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
new file mode 100644
index 0000000..2c2d947
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
@@ -0,0 +1,24 @@
+SKY81452-backlight bindings
+
+Required properties:
+- compatible		: Must be "skyworks,sky81452-backlight"
+
+Optional properties:
+- name			: Name of backlight device. Default is 'lcd-backlight'.
+- gpio-enable		: GPIO to use to EN pin.
+- enable		: Enable mask for current sink channel 1 to 6.
+- ignore-pwm		: Ignore both PWM input
+- dpwm-mode		: Enable DPWM dimming mode, otherwise Analog dimming mode
+- phase-shift		: Enable phase shift mode
+- ovp-level		: Over-voltage protection level. Should be between 14 or 28V.
+- short-detection-threshold	: It should be one of 4, 5, 6 and 7V.
+- boost-current-limit	: It should be one of 800, 1100 and 1500mA.
+
+Example:
+
+	backlight {
+		compatible = "skyworks,sky81452-backlight";
+		name = "pwm-backlight";
+		enable = <0x3F>;
+		ignore-pwm;
+	};
-- 
1.9.1

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