From: Olimpiu Dejeu <olimpiu-eV7fy4qpoLhpLGFMi4vTTA@public.gmane.org>
To: robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
jingoohan1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
bdodge-eV7fy4qpoLhpLGFMi4vTTA@public.gmane.org,
joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org,
medasaro-eV7fy4qpoLhpLGFMi4vTTA@public.gmane.org,
daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
Olimpiu Dejeu <olimpiu-eV7fy4qpoLhpLGFMi4vTTA@public.gmane.org>
Subject: [PATCH v7 1/2] backlight arcxcnn devicetree bindings for ArcticSand
Date: Mon, 13 Mar 2017 14:21:50 -0400 [thread overview]
Message-ID: <1489429310-6055-1-git-send-email-olimpiu@arcticsand.com> (raw)
backlight: Add devicetree bindings for the Arctic Sand backlight driver
This patch provides devicetree bindings for the Arctic Sand
driver submitted in the previous patch
Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Acked-by: Daniel Thompson <daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Signed-off-by: Olimpiu Dejeu <olimpiu-eV7fy4qpoLhpLGFMi4vTTA@public.gmane.org>
---
v6 => v7:
- Version updated to match other patch in set. No other changes.
v5 => v6:
- Version updated to match other patch in set. No other changes.
v4 => v5:
- Added spaces for increased readability per Lee Jones
v3 => v4:
- Added spaces for increased readability per Lee Jones
v2 => v3:
- Version updated to match other patch in set. No other changes.
v1 => v2:
- Version updated to match other patch in set. No other changes.
.../bindings/leds/backlight/arcxcnn_bl.txt | 33 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt
diff --git a/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt
new file mode 100644
index 0000000..ecb7731
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt
@@ -0,0 +1,33 @@
+Binding for ArcticSand arc2c0608 LED driver
+
+Required properties:
+- compatible: should be "arc,arc2c0608"
+- reg: slave address
+
+Optional properties:
+- default-brightness: brightness value on boot, value from: 0-4095
+- label: The name of the backlight device
+ See Documentation/devicetree/bindings/leds/common.txt
+- led-sources: List of enabled channels from 0 to 5.
+ See Documentation/devicetree/bindings/leds/common.txt
+
+- arc,led-config-0: setting for register ILED_CONFIG_0
+- arc,led-config-1: setting for register ILED_CONFIG_1
+- arc,dim-freq: PWM mode frequence setting (bits [3:0] used)
+- arc,comp-config: setting for register CONFIG_COMP
+- arc,filter-config: setting for register FILTER_CONFIG
+- arc,trim-config: setting for register IMAXTUNE
+
+Note: Optional properties not specified will default to values in IC EPROM
+
+Example:
+
+arc2c0608@30 {
+ compatible = "arc,arc2c0608";
+ reg = <0x30>;
+ default-brightness = <500>;
+ label = "lcd-backlight";
+ linux,default-trigger = "backlight";
+ led-sources = <0 1 2 5>;
+};
+
--
2.7.4
--
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reply other threads:[~2017-03-13 18:21 UTC|newest]
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