| Message ID | 1353503469-18634-12-git-send-email-avinashphilip@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Nov 21, 2012 at 06:41:08PM +0530, Philip, Avinash wrote: > PWM output from ecap2 uses as backlight source. Also adds low threshold > value to have a uniform divisions in brightness-levels scales with > inverse polarity. > > Signed-off-by: Philip, Avinash <avinashphilip@ti.com> > --- > :100644 100644 f5a6162... 6f3de83... M arch/arm/boot/dts/am335x-evmsk.dts > arch/arm/boot/dts/am335x-evmsk.dts | 23 +++++++++++++++++++++++ > 1 files changed, 23 insertions(+), 0 deletions(-) Same comments as for the previous patch, but otherwise: Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
On Fri, Nov 23, 2012 at 02:42:45, Thierry Reding wrote: > On Wed, Nov 21, 2012 at 06:41:08PM +0530, Philip, Avinash wrote: > > PWM output from ecap2 uses as backlight source. Also adds low threshold > > value to have a uniform divisions in brightness-levels scales with > > inverse polarity. > > > > Signed-off-by: Philip, Avinash <avinashphilip@ti.com> > > --- > > :100644 100644 f5a6162... 6f3de83... M arch/arm/boot/dts/am335x-evmsk.dts > > arch/arm/boot/dts/am335x-evmsk.dts | 23 +++++++++++++++++++++++ > > 1 files changed, 23 insertions(+), 0 deletions(-) > > Same comments as for the previous patch, but otherwise: I will correct it Thanks Avinash > > Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> >
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index f5a6162..6f3de83 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -51,6 +51,12 @@ 0x9c 0x27 /* gpmc_ben0_cle.gpio2_5, INPUT | MODE7 */ >; }; + + ecap2_pins: backlight_pins { + pinctrl-single,pins = < + 0x19c 0x4 /* mcasp0_ahclkr.ecap2_in_pwm2_out MODE4 */ + >; + }; }; ocp { @@ -94,6 +100,16 @@ st,max-limit-z = <750>; }; }; + + epwmss2: epwmss@48304000 { + status = "okay"; + + ecap2: ecap@48304100 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&ecap2_pins>; + }; + }; }; vbat: fixedregulator@0 { @@ -170,6 +186,13 @@ gpios = <&gpio3 5 0>; }; }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&ecap2 0 50000 1>; + brightness-levels = <0 58 61 66 75 90 125 170 255>; + default-brightness-level = <8>; + }; }; /include/ "tps65910.dtsi"
PWM output from ecap2 uses as backlight source. Also adds low threshold value to have a uniform divisions in brightness-levels scales with inverse polarity. Signed-off-by: Philip, Avinash <avinashphilip@ti.com> --- :100644 100644 f5a6162... 6f3de83... M arch/arm/boot/dts/am335x-evmsk.dts arch/arm/boot/dts/am335x-evmsk.dts | 23 +++++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-)