* [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 [not found] ` <1429080520-10687-1-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> @ 2015-04-15 6:48 ` Jacek Anaszewski 2015-04-15 8:33 ` Sakari Ailus 2015-04-29 12:34 ` Lee Jones 0 siblings, 2 replies; 8+ messages in thread From: Jacek Anaszewski @ 2015-04-15 6:48 UTC (permalink / raw) To: linux-leds-u79uwXL29TY76Z2rM5mHXA, linux-media-u79uwXL29TY76Z2rM5mHXA Cc: kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ, pavel-+ZI9xUNit7I, cooloney-Re5JQEeQqe8AvxtiuMwx3w, rpurdie-Fm38FmjxZ/leoWH0uzbU5w, sakari.ailus-X3B1VOXEql0, s.nawrocki-Sze3O3UU22JBDgjK7y7TUQ, Jacek Anaszewski, Andrzej Hajda, Lee Jones, Chanwoo Choi, devicetree-u79uwXL29TY76Z2rM5mHXA This patch adds device tree binding documentation for the flash cell of the Maxim max77693 multifunctional device. Signed-off-by: Jacek Anaszewski <j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Signed-off-by: Andrzej Hajda <a.hajda-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Acked-by: Kyungmin Park <kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Cc: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Cc: Chanwoo Choi <cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Cc: Bryan Wu <cooloney-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Cc: Richard Purdie <rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- Documentation/devicetree/bindings/mfd/max77693.txt | 67 ++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 38e6440..d342584 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -76,7 +76,60 @@ Optional properties: Valid values: 4300000, 4700000, 4800000, 4900000 Default: 4300000 +- 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,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 + LEDS_BOOST_FIXED in case both current sources are used. + Possible values: + LEDS_BOOST_OFF (0) - no boost, + LEDS_BOOST_ADAPTIVE (1) - adaptive mode, + LEDS_BOOST_FIXED (2) - fixed mode. +- maxim,boost-mvout : Output voltage of the boost module in millivolts. + Valid values: 3300 - 5500, step by 25 (rounded down) + Default: 3300 +- maxim,mvsys-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. + Valid values: 2400 - 3400, step by 33 (rounded down) + Default: 2400 + +Required properties for the LED child node: +- led-sources : see Documentation/devicetree/bindings/leds/common.txt; + device current output identifiers: 0 - FLED1, 1 - FLED2 +- led-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Valid values for a LED connected to one FLED output: + 15625 - 250000, step by 15625 (rounded down) + Valid values for a LED connected to both FLED outputs: + 15625 - 500000, step by 15625 (rounded down) +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Valid values for a single LED connected to one FLED output: + (boost mode must be turned off): + 15625 - 1000000, step by 15625 (rounded down) + Valid values for a single LED connected to both FLED outputs: + 15625 - 1250000, step by 15625 (rounded down) + Valid values for two LEDs case: + 15625 - 625000, step by 15625 (rounded down) +- flash-max-timeout-us : see Documentation/devicetree/bindings/leds/common.txt + Valid values: 62500 - 1000000, step by 62500 (rounded down) + +Optional properties for the LED child node: +- label : see Documentation/devicetree/bindings/leds/common.txt + Example: +#include <dt-bindings/leds/common.h> + max77693@66 { compatible = "maxim,max77693"; reg = <0x66>; @@ -117,5 +170,19 @@ Example: maxim,thermal-regulation-celsius = <75>; maxim,battery-overcurrent-microamp = <3000000>; maxim,charge-input-threshold-microvolt = <4300000>; + + led { + compatible = "maxim,max77693-led"; + maxim,boost-mode = <LEDS_BOOST_FIXED>; + maxim,boost-mvout = <5000>; + maxim,mvsys-min = <2400>; + + camera_flash: flash-led { + label = "max77693-flash"; + led-sources = <0>, <1>; + led-max-microamp = <500000>; + flash-max-microamp = <1250000>; + flash-max-timeout-us = <1000000>; + }; }; }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 2015-04-15 6:48 ` [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 Jacek Anaszewski @ 2015-04-15 8:33 ` Sakari Ailus 2015-04-29 12:34 ` Lee Jones 1 sibling, 0 replies; 8+ messages in thread From: Sakari Ailus @ 2015-04-15 8:33 UTC (permalink / raw) To: Jacek Anaszewski Cc: linux-leds, linux-media, kyungmin.park, pavel, cooloney, rpurdie, s.nawrocki, Andrzej Hajda, Lee Jones, Chanwoo Choi, devicetree Hi Jacek, On Wed, Apr 15, 2015 at 08:48:32AM +0200, 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: devicetree@vger.kernel.org Thanks! Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> -- Sakari Ailus e-mail: sakari.ailus@iki.fi XMPP: sailus@retiisi.org.uk ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 2015-04-15 6:48 ` [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 Jacek Anaszewski 2015-04-15 8:33 ` Sakari Ailus @ 2015-04-29 12:34 ` Lee Jones 2015-04-29 12:59 ` Jacek Anaszewski 1 sibling, 1 reply; 8+ messages in thread From: Lee Jones @ 2015-04-29 12:34 UTC (permalink / raw) To: Jacek Anaszewski Cc: linux-leds, linux-media, kyungmin.park, pavel, cooloney, rpurdie, sakari.ailus, s.nawrocki, Andrzej Hajda, Chanwoo Choi, devicetree LED Ack please Bryan. > 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: devicetree@vger.kernel.org > --- > Documentation/devicetree/bindings/mfd/max77693.txt | 67 ++++++++++++++++++++ > 1 file changed, 67 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt > index 38e6440..d342584 100644 > --- a/Documentation/devicetree/bindings/mfd/max77693.txt > +++ b/Documentation/devicetree/bindings/mfd/max77693.txt > @@ -76,7 +76,60 @@ Optional properties: > Valid values: 4300000, 4700000, 4800000, 4900000 > Default: 4300000 > > +- 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,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 > + LEDS_BOOST_FIXED in case both current sources are used. > + Possible values: > + LEDS_BOOST_OFF (0) - no boost, > + LEDS_BOOST_ADAPTIVE (1) - adaptive mode, > + LEDS_BOOST_FIXED (2) - fixed mode. > +- maxim,boost-mvout : Output voltage of the boost module in millivolts. > + Valid values: 3300 - 5500, step by 25 (rounded down) > + Default: 3300 > +- maxim,mvsys-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. > + Valid values: 2400 - 3400, step by 33 (rounded down) > + Default: 2400 > + > +Required properties for the LED child node: > +- led-sources : see Documentation/devicetree/bindings/leds/common.txt; > + device current output identifiers: 0 - FLED1, 1 - FLED2 > +- led-max-microamp : see Documentation/devicetree/bindings/leds/common.txt > + Valid values for a LED connected to one FLED output: > + 15625 - 250000, step by 15625 (rounded down) > + Valid values for a LED connected to both FLED outputs: > + 15625 - 500000, step by 15625 (rounded down) > +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt > + Valid values for a single LED connected to one FLED output: > + (boost mode must be turned off): > + 15625 - 1000000, step by 15625 (rounded down) > + Valid values for a single LED connected to both FLED outputs: > + 15625 - 1250000, step by 15625 (rounded down) > + Valid values for two LEDs case: > + 15625 - 625000, step by 15625 (rounded down) > +- flash-max-timeout-us : see Documentation/devicetree/bindings/leds/common.txt > + Valid values: 62500 - 1000000, step by 62500 (rounded down) > + > +Optional properties for the LED child node: > +- label : see Documentation/devicetree/bindings/leds/common.txt > + > Example: > +#include <dt-bindings/leds/common.h> > + > max77693@66 { > compatible = "maxim,max77693"; > reg = <0x66>; > @@ -117,5 +170,19 @@ Example: > maxim,thermal-regulation-celsius = <75>; > maxim,battery-overcurrent-microamp = <3000000>; > maxim,charge-input-threshold-microvolt = <4300000>; > + > + led { > + compatible = "maxim,max77693-led"; > + maxim,boost-mode = <LEDS_BOOST_FIXED>; > + maxim,boost-mvout = <5000>; > + maxim,mvsys-min = <2400>; > + > + camera_flash: flash-led { > + label = "max77693-flash"; > + led-sources = <0>, <1>; > + led-max-microamp = <500000>; > + flash-max-microamp = <1250000>; > + flash-max-timeout-us = <1000000>; > + }; > }; > }; -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 2015-04-29 12:34 ` Lee Jones @ 2015-04-29 12:59 ` Jacek Anaszewski 2015-04-29 13:16 ` Lee Jones 0 siblings, 1 reply; 8+ messages in thread From: Jacek Anaszewski @ 2015-04-29 12:59 UTC (permalink / raw) To: Lee Jones Cc: linux-leds, linux-media, kyungmin.park, pavel, cooloney, rpurdie, sakari.ailus, s.nawrocki, Andrzej Hajda, Chanwoo Choi, devicetree On 04/29/2015 02:34 PM, Lee Jones wrote: > LED Ack please Bryan. You've already applied v6 with Bryan's ack today :) >> 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: devicetree@vger.kernel.org >> --- >> Documentation/devicetree/bindings/mfd/max77693.txt | 67 ++++++++++++++++++++ >> 1 file changed, 67 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt >> index 38e6440..d342584 100644 >> --- a/Documentation/devicetree/bindings/mfd/max77693.txt >> +++ b/Documentation/devicetree/bindings/mfd/max77693.txt >> @@ -76,7 +76,60 @@ Optional properties: >> Valid values: 4300000, 4700000, 4800000, 4900000 >> Default: 4300000 >> >> +- 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,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 >> + LEDS_BOOST_FIXED in case both current sources are used. >> + Possible values: >> + LEDS_BOOST_OFF (0) - no boost, >> + LEDS_BOOST_ADAPTIVE (1) - adaptive mode, >> + LEDS_BOOST_FIXED (2) - fixed mode. >> +- maxim,boost-mvout : Output voltage of the boost module in millivolts. >> + Valid values: 3300 - 5500, step by 25 (rounded down) >> + Default: 3300 >> +- maxim,mvsys-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. >> + Valid values: 2400 - 3400, step by 33 (rounded down) >> + Default: 2400 >> + >> +Required properties for the LED child node: >> +- led-sources : see Documentation/devicetree/bindings/leds/common.txt; >> + device current output identifiers: 0 - FLED1, 1 - FLED2 >> +- led-max-microamp : see Documentation/devicetree/bindings/leds/common.txt >> + Valid values for a LED connected to one FLED output: >> + 15625 - 250000, step by 15625 (rounded down) >> + Valid values for a LED connected to both FLED outputs: >> + 15625 - 500000, step by 15625 (rounded down) >> +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt >> + Valid values for a single LED connected to one FLED output: >> + (boost mode must be turned off): >> + 15625 - 1000000, step by 15625 (rounded down) >> + Valid values for a single LED connected to both FLED outputs: >> + 15625 - 1250000, step by 15625 (rounded down) >> + Valid values for two LEDs case: >> + 15625 - 625000, step by 15625 (rounded down) >> +- flash-max-timeout-us : see Documentation/devicetree/bindings/leds/common.txt >> + Valid values: 62500 - 1000000, step by 62500 (rounded down) >> + >> +Optional properties for the LED child node: >> +- label : see Documentation/devicetree/bindings/leds/common.txt >> + >> Example: >> +#include <dt-bindings/leds/common.h> >> + >> max77693@66 { >> compatible = "maxim,max77693"; >> reg = <0x66>; >> @@ -117,5 +170,19 @@ Example: >> maxim,thermal-regulation-celsius = <75>; >> maxim,battery-overcurrent-microamp = <3000000>; >> maxim,charge-input-threshold-microvolt = <4300000>; >> + >> + led { >> + compatible = "maxim,max77693-led"; >> + maxim,boost-mode = <LEDS_BOOST_FIXED>; >> + maxim,boost-mvout = <5000>; >> + maxim,mvsys-min = <2400>; >> + >> + camera_flash: flash-led { >> + label = "max77693-flash"; >> + led-sources = <0>, <1>; >> + led-max-microamp = <500000>; >> + flash-max-microamp = <1250000>; >> + flash-max-timeout-us = <1000000>; >> + }; >> }; >> }; > -- Best Regards, Jacek Anaszewski ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 2015-04-29 12:59 ` Jacek Anaszewski @ 2015-04-29 13:16 ` Lee Jones 0 siblings, 0 replies; 8+ messages in thread From: Lee Jones @ 2015-04-29 13:16 UTC (permalink / raw) To: Jacek Anaszewski Cc: linux-leds, linux-media, kyungmin.park, pavel, cooloney, rpurdie, sakari.ailus, s.nawrocki, Andrzej Hajda, Chanwoo Choi, devicetree On Wed, 29 Apr 2015, Jacek Anaszewski wrote: > On 04/29/2015 02:34 PM, Lee Jones wrote: > >LED Ack please Bryan. > > You've already applied v6 with Bryan's ack today :) Ah, this is the same patch? Jolly good! -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v5 04/10] DT: Add documentation for the Skyworks AAT1290 [not found] <1429080520-10687-1-git-send-email-j.anaszewski@samsung.com> [not found] ` <1429080520-10687-1-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> @ 2015-04-15 6:48 ` Jacek Anaszewski [not found] ` <1429080520-10687-5-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-04-15 6:48 ` [PATCH v5 09/10] DT: aat1290: Document handling external strobe sources Jacek Anaszewski 2 siblings, 1 reply; 8+ messages in thread From: Jacek Anaszewski @ 2015-04-15 6:48 UTC (permalink / raw) To: linux-leds, linux-media Cc: kyungmin.park, pavel, cooloney, rpurdie, sakari.ailus, s.nawrocki, Jacek Anaszewski, devicetree This patch adds device tree binding documentation for 1.5A Step-Up Current Regulator for Flash LEDs. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Bryan Wu <cooloney@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: devicetree@vger.kernel.org --- .../devicetree/bindings/leds/leds-aat1290.txt | 41 ++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-aat1290.txt diff --git a/Documentation/devicetree/bindings/leds/leds-aat1290.txt b/Documentation/devicetree/bindings/leds/leds-aat1290.txt new file mode 100644 index 0000000..ef88b9c --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-aat1290.txt @@ -0,0 +1,41 @@ +* Skyworks Solutions, Inc. AAT1290 Current Regulator for Flash LEDs + +The device is controlled through two pins: FL_EN and EN_SET. The pins when, +asserted high, enable flash strobe and movie mode (max 1/2 of flash current) +respectively. + +Required properties: + +- compatible : Must be "skyworks,aat1290". +- flen-gpios : Must be device tree identifier of the flash device FL_EN pin. +- enset-gpios : Must be device tree identifier of the flash device EN_SET pin. + +A discrete LED element connected to the device must be represented by a child +node - see Documentation/devicetree/bindings/leds/common.txt. + +Required properties of the LED child node: +- led-max-microamp : see Documentation/devicetree/bindings/leds/common.txt +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Maximum flash LED supply current can be calculated using + following formula: I = 1A * 162kohm / Rset. +- flash-timeout-us : see Documentation/devicetree/bindings/leds/common.txt + Maximum flash timeout can be calculated using following + formula: T = 8.82 * 10^9 * Ct. + +Optional properties of the LED child node: +- label : see Documentation/devicetree/bindings/leds/common.txt + +Example (by Ct = 220nF, Rset = 160kohm): + +aat1290 { + compatible = "skyworks,aat1290"; + flen-gpios = <&gpj1 1 GPIO_ACTIVE_HIGH>; + enset-gpios = <&gpj1 2 GPIO_ACTIVE_HIGH>; + + camera_flash: flash-led { + label = "aat1290-flash"; + led-max-microamp = <520833>; + flash-max-microamp = <1012500>; + flash-timeout-us = <1940000>; + }; +}; -- 1.7.9.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
[parent not found: <1429080520-10687-5-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>]
* Re: [PATCH v5 04/10] DT: Add documentation for the Skyworks AAT1290 [not found] ` <1429080520-10687-5-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> @ 2015-04-19 12:05 ` Sakari Ailus 0 siblings, 0 replies; 8+ messages in thread From: Sakari Ailus @ 2015-04-19 12:05 UTC (permalink / raw) To: Jacek Anaszewski Cc: linux-leds-u79uwXL29TY76Z2rM5mHXA, linux-media-u79uwXL29TY76Z2rM5mHXA, kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ, pavel-+ZI9xUNit7I, cooloney-Re5JQEeQqe8AvxtiuMwx3w, rpurdie-Fm38FmjxZ/leoWH0uzbU5w, s.nawrocki-Sze3O3UU22JBDgjK7y7TUQ, devicetree-u79uwXL29TY76Z2rM5mHXA On Wed, Apr 15, 2015 at 08:48:34AM +0200, Jacek Anaszewski wrote: > This patch adds device tree binding documentation for > 1.5A Step-Up Current Regulator for Flash LEDs. > > Signed-off-by: Jacek Anaszewski <j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> > Acked-by: Kyungmin Park <kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> > Cc: Bryan Wu <cooloney-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> > Cc: Richard Purdie <rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org> > Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Acked-by: Sakari Ailus <sakari.ailus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> -- Sakari Ailus e-mail: sakari.ailus-X3B1VOXEql0@public.gmane.org XMPP: sailus-PCDdDYkjdNMDXYZnReoRVg@public.gmane.org -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v5 09/10] DT: aat1290: Document handling external strobe sources [not found] <1429080520-10687-1-git-send-email-j.anaszewski@samsung.com> [not found] ` <1429080520-10687-1-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-04-15 6:48 ` [PATCH v5 04/10] DT: Add documentation for the Skyworks AAT1290 Jacek Anaszewski @ 2015-04-15 6:48 ` Jacek Anaszewski 2 siblings, 0 replies; 8+ messages in thread From: Jacek Anaszewski @ 2015-04-15 6:48 UTC (permalink / raw) To: linux-leds, linux-media Cc: kyungmin.park, pavel, cooloney, rpurdie, sakari.ailus, s.nawrocki, Jacek Anaszewski, devicetree This patch adds documentation for a pinctrl-names property. The property, when present, is used for switching the source of the strobe signal for the device. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Bryan Wu <cooloney@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Sakari Ailus <sakari.ailus@iki.fi> Cc: devicetree@vger.kernel.org --- .../devicetree/bindings/leds/leds-aat1290.txt | 36 ++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/leds/leds-aat1290.txt b/Documentation/devicetree/bindings/leds/leds-aat1290.txt index ef88b9c..c05ed91 100644 --- a/Documentation/devicetree/bindings/leds/leds-aat1290.txt +++ b/Documentation/devicetree/bindings/leds/leds-aat1290.txt @@ -2,7 +2,9 @@ The device is controlled through two pins: FL_EN and EN_SET. The pins when, asserted high, enable flash strobe and movie mode (max 1/2 of flash current) -respectively. +respectively. In order to add a capability of selecting the strobe signal source +(e.g. CPU or camera sensor) there is an additional switch required, independent +of the flash chip. The switch is controlled with pin control. Required properties: @@ -10,6 +12,13 @@ Required properties: - flen-gpios : Must be device tree identifier of the flash device FL_EN pin. - enset-gpios : Must be device tree identifier of the flash device EN_SET pin. +Optional properties: +- pinctrl-names : Must contain entries: "default", "host", "isp". Entries + "default" and "host" must refer to the same pin configuration + node, which sets the host as a strobe signal provider. Entry + "isp" must refer to the pin configuration node, which sets the + ISP as a strobe signal provider. + A discrete LED element connected to the device must be represented by a child node - see Documentation/devicetree/bindings/leds/common.txt. @@ -25,13 +34,22 @@ Required properties of the LED child node: Optional properties of the LED child node: - label : see Documentation/devicetree/bindings/leds/common.txt -Example (by Ct = 220nF, Rset = 160kohm): +Example (by Ct = 220nF, Rset = 160kohm and exynos4412-trats2 board with +a switch that allows for routing strobe signal either from the host or from +the camera sensor): + +#include "exynos4412.dtsi" aat1290 { compatible = "skyworks,aat1290"; flen-gpios = <&gpj1 1 GPIO_ACTIVE_HIGH>; enset-gpios = <&gpj1 2 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default", "host", "isp"; + pinctrl-0 = <&camera_flash_host>; + pinctrl-1 = <&camera_flash_host>; + pinctrl-2 = <&camera_flash_isp>; + camera_flash: flash-led { label = "aat1290-flash"; led-max-microamp = <520833>; @@ -39,3 +57,17 @@ aat1290 { flash-timeout-us = <1940000>; }; }; + +&pinctrl_0 { + camera_flash_host: camera-flash-host { + samsung,pins = "gpj1-0"; + samsung,pin-function = <1>; + samsung,pin-val = <0>; + }; + + camera_flash_isp: camera-flash-isp { + samsung,pins = "gpj1-0"; + samsung,pin-function = <1>; + samsung,pin-val = <1>; + }; +}; -- 1.7.9.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
end of thread, other threads:[~2015-04-29 13:16 UTC | newest] Thread overview: 8+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- [not found] <1429080520-10687-1-git-send-email-j.anaszewski@samsung.com> [not found] ` <1429080520-10687-1-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-04-15 6:48 ` [PATCH v5 02/10] DT: Add documentation for the mfd Maxim max77693 Jacek Anaszewski 2015-04-15 8:33 ` Sakari Ailus 2015-04-29 12:34 ` Lee Jones 2015-04-29 12:59 ` Jacek Anaszewski 2015-04-29 13:16 ` Lee Jones 2015-04-15 6:48 ` [PATCH v5 04/10] DT: Add documentation for the Skyworks AAT1290 Jacek Anaszewski [not found] ` <1429080520-10687-5-git-send-email-j.anaszewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-04-19 12:05 ` Sakari Ailus 2015-04-15 6:48 ` [PATCH v5 09/10] DT: aat1290: Document handling external strobe sources Jacek Anaszewski
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