From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matus Ujhelyi Subject: [PATCH 1/1] Documentation: add missing documentation for tps65217-bl device tree binding Date: Fri, 26 Apr 2013 11:12:58 +0200 Message-ID: <1366967578-29906-1-git-send-email-matus.ujhelyi@streamunlimited.com> Return-path: Sender: linux-doc-owner@vger.kernel.org To: grant.likely@secretlab.ca, rob.herring@calxeda.com, rob@landley.net Cc: devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, marek.belisko@streamunlimited.com, zonque@gmail.com, ujhelyi.m@gmail.com, Matus Ujhelyi List-Id: devicetree@vger.kernel.org Signed-off-by: Matus Ujhelyi --- .../video/backlight/tps65217-backlight.txt | 25 ++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt diff --git a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt new file mode 100644 index 0000000..cc4ee25 --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt @@ -0,0 +1,25 @@ +TPS65217 family of regulators + +The TPS65217 chip contains a boost converter and current sinks which can be +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 +- 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 + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps: tps@24 { + reg = <0x24>; + compatible = "ti,tps65217"; + backlight { + isel = <1>; /* 1 - ISET1, 2 ISET2 */ + fdim = <100>; /* TPS65217_BL_FDIM_100HZ */ + }; + }; + -- 1.7.9.5