Messages in this thread | | | Date | Tue, 20 Jan 2015 15:38:15 +0000 | From | Lee Jones <> | Subject | Re: [PATCH/RFC v10 09/19] DT: Add documentation for the mfd Maxim max77693 |
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On Tue, 20 Jan 2015, Jacek Anaszewski wrote:
> On 01/20/2015 12:21 PM, Lee Jones wrote: > >On Fri, 09 Jan 2015, Jacek Anaszewski wrote: > > > >>This patch adds device tree binding documentation for > >>the flash cell of the Maxim max77693 multifunctional device. > >> > >>Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> > >>Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> > >>Acked-by: Kyungmin Park <kyungmin.park@samsung.com> > >>Cc: Lee Jones <lee.jones@linaro.org> > >>Cc: Chanwoo Choi <cw00.choi@samsung.com> > >>Cc: Bryan Wu <cooloney@gmail.com> > >>Cc: Richard Purdie <rpurdie@rpsys.net> > >>Cc: Rob Herring <robh+dt@kernel.org> > >>Cc: Pawel Moll <pawel.moll@arm.com> > >>Cc: Mark Rutland <mark.rutland@arm.com> > >>Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> > >>Cc: Kumar Gala <galak@codeaurora.org> > >>--- > >> Documentation/devicetree/bindings/mfd/max77693.txt | 69 ++++++++++++++++++++ > >> 1 file changed, 69 insertions(+) > >> > >>diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt > >>index 01e9f30..ef184f0 100644 > >>--- a/Documentation/devicetree/bindings/mfd/max77693.txt > >>+++ b/Documentation/devicetree/bindings/mfd/max77693.txt > >>@@ -41,7 +41,52 @@ Optional properties: > >> To get more informations, please refer to documentaion. > >> [*] refer Documentation/devicetree/bindings/pwm/pwm.txt > >> > >>+- led : the LED submodule device node > >>+ > >>+There are two led outputs available - fled1 and fled2. Each of them can > >>+control a separate led or they can be connected together to double > >>+the maximum current for a single connected led. One led is represented > >>+by one child node. > >>+ > >>+Required properties: > >>+- compatible : Must be "maxim,max77693-led". > >>+ > >>+Optional properties: > >>+- maxim,trigger-type : Flash trigger type. > >>+ Possible trigger types: > >>+ MAX77693_LED_TRIG_TYPE_EDGE - Rising edge of the signal triggers > >>+ the flash, > >>+ MAX77693_LED_TRIG_TYPE_LEVEL - Strobe pulse length controls > >>+ duration of the flash. > > > >I think you should represent the proper values here instead of the > >defines. > > I see both versions in the existing bindings and also a combination of > them, e.g.: MAX77693_LED_TRIG_TYPE_EDGE (0). I think that it is > reasonable to mention the macros, especially if they are to appear > in the DT binding example at the end of the documentation file. > > >>+- maxim,boost-mode : > >>+ In boost mode the device can produce up to 1.2A of total current > >>+ on both outputs. The maximum current on each output is reduced > >>+ to 625mA then. If not enabled explicitly, boost setting defaults to > >>+ MAX77693_LED_BOOST_FIXED in case both current sources are used. > >>+ Possible values: > >>+ MAX77693_LED_BOOST_OFF - no boost, > >>+ MAX77693_LED_BOOST_ADAPTIVE - adaptive mode, > >>+ MAX77693_LED_BOOST_FIXED - fixed mode. > > > >Same here. > > MAX77693_LED_BOOST_OFF (0) - no boost, > MAX77693_LED_BOOST_ADAPTIVE (1) - adaptive mode, > MAX77693_LED_BOOST_FIXED (2) - fixed mode.
This is fine too.
> >>+- maxim,boost-vout : Output voltage of the boost module in millivolts. > > > >-mvout? > >-microvout? > > maxim,boost-mvout ?
Right.
> >>+- 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. > > > >mvsys? > >microvsys? > > maxim,mvsys-min ?
Looks okay to me.
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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