From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olimpiu Dejeu Subject: [PATCH v4 2/2] backlight arcxcnn devicetree bindings for ArcticSand Date: Fri, 27 Jan 2017 10:19:38 -0500 Message-ID: <1485530378-6217-1-git-send-email-olimpiu@arcticsand.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: robh@kernel.org Cc: lee.jones@linaro.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, devicetree@vger.kernel.org, jingoohan1@gmail.com, bdodge@arcticsand.com, joe@perches.com, medasaro@arcticsand.com, Olimpiu Dejeu List-Id: devicetree@vger.kernel.org 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 Signed-off-by: Olimpiu Dejeu --- 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 | 31 ++++++++++++++++++++++ 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 +1,31 @@ +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 + +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