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[96.81.105.169]) by smtp.gmail.com with ESMTPSA id e16sm15100129qkj.64.2017.03.21.09.58.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 21 Mar 2017 09:59:02 -0700 (PDT) From: Olimpiu Dejeu 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, daniel.thompson@linaro.org, lkp@intel.com, fengguang.wu@intel.com, Olimpiu Dejeu Subject: [PATCH v9 2/3] backlight arcxcnn devicetree bindings for ArcticSand Date: Tue, 21 Mar 2017 12:58:47 -0400 Message-Id: <1490115528-11044-2-git-send-email-olimpiu@arcticsand.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490115528-11044-1-git-send-email-olimpiu@arcticsand.com> References: <1490115528-11044-1-git-send-email-olimpiu@arcticsand.com> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Daniel Thompson Signed-off-by: Olimpiu Dejeu --- v8 => v9: - Version updated to match other patch in set. No other changes. v7 => v8: - Version updated to match other patch in set. No other changes. 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>; +}; +