| Message ID | 1431419877-28339-3-git-send-email-ingi2.kim@samsung.com |
|---|---|
| State | Accepted, archived |
| Commit | 84b5def48fde3468539b9c81c6cdf2799e04913e |
| Headers | show |
Hi Ingi, On 05/12/2015 10:37 AM, Ingi Kim wrote: > This patch adds the device tree bindings for ktd2692 flash LEDs. > Add Optional properties of child node for Flash LED > > Signed-off-by: Ingi Kim <ingi2.kim@samsung.com> > Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com> > Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> > --- > .../devicetree/bindings/leds/leds-ktd2692.txt | 50 ++++++++++++++++++++++ > 1 file changed, 50 insertions(+) > create mode 100644 Documentation/devicetree/bindings/leds/leds-ktd2692.txt Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
On Tue, May 12, 2015 at 5:39 AM, Jacek Anaszewski <j.anaszewski@samsung.com> wrote: > Hi Ingi, > > On 05/12/2015 10:37 AM, Ingi Kim wrote: >> >> This patch adds the device tree bindings for ktd2692 flash LEDs. >> Add Optional properties of child node for Flash LED >> >> Signed-off-by: Ingi Kim <ingi2.kim@samsung.com> >> Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com> >> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> >> --- >> .../devicetree/bindings/leds/leds-ktd2692.txt | 50 >> ++++++++++++++++++++++ >> 1 file changed, 50 insertions(+) >> create mode 100644 >> Documentation/devicetree/bindings/leds/leds-ktd2692.txt > > > Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com> > Merged, thanks. -Bryan > -- > Best Regards, > Jacek Anaszewski -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/leds/leds-ktd2692.txt b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt new file mode 100644 index 0000000..8537374 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt @@ -0,0 +1,50 @@ +* Kinetic Technologies - KTD2692 Flash LED Driver + +KTD2692 is the ideal power solution for high-power flash LEDs. +It uses ExpressWire single-wire programming for maximum flexibility. + +The ExpressWire interface through CTRL pin can control LED on/off and +enable/disable the IC, Movie(max 1/3 of Flash current) / Flash mode current, +Flash timeout, LVP(low voltage protection). + +Also, When the AUX pin is pulled high while CTRL pin is high, +LED current will be ramped up to the flash-mode current level. + +Required properties: +- compatible : Should be "kinetic,ktd2692". +- ctrl-gpios : Specifier of the GPIO connected to CTRL pin. +- aux-gpios : Specifier of the GPIO connected to AUX pin. + +Optional properties: +- vin-supply : "vin" LED supply (2.7V to 5.5V). + See Documentation/devicetree/bindings/regulator/regulator.txt + +A discrete LED element connected to the device must be represented by a child +node - See Documentation/devicetree/bindings/leds/common.txt + +Required properties for flash LED child nodes: + See Documentation/devicetree/bindings/leds/common.txt +- led-max-microamp : Minimum Threshold for Timer protection + is defined internally (Maximum 300mA). +- flash-max-microamp : Flash LED maximum current + Formula : I(mA) = 15000 / Rset. +- flash-max-timeout-us : Flash LED maximum timeout. + +Optional properties for flash LED child nodes: +- label : See Documentation/devicetree/bindings/leds/common.txt + +Example: + +ktd2692 { + compatible = "kinetic,ktd2692"; + ctrl-gpios = <&gpc0 1 0>; + aux-gpios = <&gpc0 2 0>; + vin-supply = <&vbat>; + + flash-led { + label = "ktd2692-flash"; + led-max-microamp = <300000>; + flash-max-microamp = <1500000>; + flash-max-timeout-us = <1835000>; + }; +};