From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacek Anaszewski Subject: [PATCH/RFC 7/8] DT: Add documentation for the mfd Maxim max77693 flash cell Date: Thu, 20 Mar 2014 15:51:09 +0100 Message-ID: <1395327070-20215-8-git-send-email-j.anaszewski@samsung.com> References: <1395327070-20215-1-git-send-email-j.anaszewski@samsung.com> Return-path: In-reply-to: <1395327070-20215-1-git-send-email-j.anaszewski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-media@vger.kernel.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: s.nawrocki@samsung.com, a.hajda@samsung.com, kyungmin.park@samsung.com, Jacek Anaszewski , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala List-Id: linux-leds@vger.kernel.org This patch adds device tree binding documentation for the flash cell of the Maxim max77693 multifunctional device. Signed-off-by: Andrzej Hajda Acked-by: Kyungmin Park Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala --- Documentation/devicetree/bindings/mfd/max77693.txt | 47 ++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 11921cc..9e1aa97 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -27,6 +27,43 @@ Optional properties: [*] refer Documentation/devicetree/bindings/regulator/regulator.txt +Optional node: +- led-flash : the LED submodule device node + +Required properties of "led-flash" node: +- compatible : must be "maxim,max77693-led" + +Optional properties of "led-flash" node: +- maxim,iout : Array of four intensities in microampheres of the current + in order: flash1, flash2, torch1, torch2. + Range: + flash - 15625 - 1000000, + torch - 15625 - 250000. +- maxim,trigger : Array of flags indicating which trigger can activate given led + in order: flash1, flash2, torch1, torch2. + Possible flag values (can be combined): + 1 - FLASH pin of the chip, + 2 - TORCH pin of the chip, + 4 - software via I2C command. +- maxim,trigger-type : Array of trigger types in order: flash, torch. + Possible trigger types: + 0 - Rising edge of the signal triggers the flash/torch, + 1 - Signal level controls duration of the flash/torch. +- maxim,timeout : Array of timeouts in microseconds after which leds are + turned off in order: flash, torch. + Range: + flash: 62500 - 1000000, + torch: 0 (no timeout) - 15728000. +- maxim,boost-mode : Array of the flash boost modes in order: flash1, flash2. + Possible values: + 0 - no boost, + 1 - adaptive mode, + 2 - fixed mode. +- maxim,boost-vout : Output voltage of the boost module in millivolts. +- maxim,vsys-min : Low input voltage level in millivolts. Flash is not fired + if chip estimates that system voltage could drop below this level due + to flash power consumption. + Example: max77693@66 { compatible = "maxim,max77693"; @@ -52,4 +89,14 @@ Example: regulator-boot-on; }; }; + led_flash: led-flash { + compatible = "maxim,max77693-led"; + maxim,iout = <625000 625000 250000 250000>; + maxim,trigger = <5 5 6 0>; + maxim,trigger-type = <0 1>; + maxim,timeout = <500000 0>; + maxim,boost-mode = <1 1>; + maxim,boost-vout = <5000>; + maxim,vsys-min = <2400>; + }; }; -- 1.7.9.5