Hi Ajay, On 07.05.2014 14:56, Ajay Kumar wrote:
Add PWM backlight node for exynos5250 and enable the same on exynos5250 based snow board.Signed-off-by: Olof Johansson <o...@lixom.net> Signed-off-by: Ajay Kumar <ajaykumar...@samsung.com> --- arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 7 +++++++ arch/arm/boot/dts/exynos5250-snow.dts | 5 +++++ arch/arm/boot/dts/exynos5250.dtsi | 10 ++++++++++ 3 files changed, 22 insertions(+) diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi index 9a49e68..2a4680c 100644 --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi @@ -351,6 +351,13 @@ samsung,pin-drv = <0>; }; + backlight_pwm: backlight-pwm { + samsung,pins = "gpb2-0"; + samsung,pin-function = <2>; + samsung,pin-pud = <0>; + samsung,pin-drv = <0>; + };
This looks like a generic PWM output function, not specific to backlight in any way.
Please see patch [1] adding PWM output pin groups for Exynos5420 for reference.
[1] https://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg29869.html
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