| Message ID | 1420816989-1808-10-git-send-email-j.anaszewski@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri 2015-01-09 16:22:59, 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> Acked-by: Pavel Machek <pavel@ucw.cz> > 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 led->LED (around 4x). Pavel
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. > +- 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. > +- maxim,boost-vout : Output voltage of the boost module in millivolts. -mvout? -microvout? > +- 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? > +Required properties of the LED child node: > +- label : see Documentation/devicetree/bindings/leds/common.txt > +- led-sources : see Documentation/devicetree/bindings/leds/common.txt > + > +Optional properties of the LED child node: > +- max-microamp : see Documentation/devicetree/bindings/leds/common.txt > + Range: 15625 - 250000 > +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt > + Range: 15625 - 1000000 > +- flash-timeout-us : see Documentation/devicetree/bindings/leds/common.txt > + Range: 62500 - 1000000 > + > Example: > +#include <dt-bindings/mfd/max77693.h> > + > max77693@66 { > compatible = "maxim,max77693"; > reg = <0x66>; > @@ -73,4 +118,28 @@ Example: > pwms = <&pwm 0 40000 0>; > pwm-names = "haptic"; > }; > + > + led { > + compatible = "maxim,max77693-led"; > + maxim,trigger-type = <MAX77693_LED_TRIG_TYPE_LEVEL>; > + maxim,boost-mode = <MAX77693_LED_BOOST_FIXED>; > + maxim,boost-vout = <5000>; > + maxim,vsys-min = <2400>; > + > + camera1_flash: led1 { > + label = "max77693-flash1"; > + led-sources = <1 0>; > + max-microamp = <250000>; > + flash-max-microamp = <625000>; > + flash-timeout-us = <1000000>; > + }; > + > + camera2_flash: led2 { > + label = "max77693-flash2"; > + led-sources = <0 1>; > + max-microamp = <250000>; > + flash-max-microamp = <625000>; > + flash-timeout-us = <1000000>; > + }; > + }; > };
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. ? > >> +- maxim,boost-vout : Output voltage of the boost module in millivolts. > > -mvout? > -microvout? maxim,boost-mvout ? >> +- 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 ?
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.
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. +- 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. +- 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. + +Required properties of the LED child node: +- label : see Documentation/devicetree/bindings/leds/common.txt +- led-sources : see Documentation/devicetree/bindings/leds/common.txt + +Optional properties of the LED child node: +- max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Range: 15625 - 250000 +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Range: 15625 - 1000000 +- flash-timeout-us : see Documentation/devicetree/bindings/leds/common.txt + Range: 62500 - 1000000 + Example: +#include <dt-bindings/mfd/max77693.h> + max77693@66 { compatible = "maxim,max77693"; reg = <0x66>; @@ -73,4 +118,28 @@ Example: pwms = <&pwm 0 40000 0>; pwm-names = "haptic"; }; + + led { + compatible = "maxim,max77693-led"; + maxim,trigger-type = <MAX77693_LED_TRIG_TYPE_LEVEL>; + maxim,boost-mode = <MAX77693_LED_BOOST_FIXED>; + maxim,boost-vout = <5000>; + maxim,vsys-min = <2400>; + + camera1_flash: led1 { + label = "max77693-flash1"; + led-sources = <1 0>; + max-microamp = <250000>; + flash-max-microamp = <625000>; + flash-timeout-us = <1000000>; + }; + + camera2_flash: led2 { + label = "max77693-flash2"; + led-sources = <0 1>; + max-microamp = <250000>; + flash-max-microamp = <625000>; + flash-timeout-us = <1000000>; + }; + }; };