From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH v2] ARM: dts: sun5i: Add backlight node to sun5i-q8-common.dtsi Date: Sun, 20 Sep 2015 11:21:19 -0400 Message-ID: <1442762479-11424-1-git-send-email-hdegoede@redhat.com> Reply-To: hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Maxime Ripard Cc: Chen-Yu Tsai , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree , linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Hans de Goede List-Id: devicetree@vger.kernel.org All A13 based q8 formfactor tablets use the same backlight setup, add a backlight devicetree node for controlling the backlight on these devices. Signed-off-by: Hans de Goede --- Changes in v2: -Drop the comment about DCDC1SW, the axp209 used on A13 boards does not have a DCDC1SW --- arch/arm/boot/dts/sun5i-q8-common.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/sun5i-q8-common.dtsi b/arch/arm/boot/dts/sun5i-q8-common.dtsi index 0641d68..a78e189 100644 --- a/arch/arm/boot/dts/sun5i-q8-common.dtsi +++ b/arch/arm/boot/dts/sun5i-q8-common.dtsi @@ -41,11 +41,21 @@ */ #include "sunxi-q8-common.dtsi" +#include + / { aliases { serial0 = &uart1; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + /* TODO: backlight uses axp gpio1 as enable pin */ + }; + chosen { stdout-path = "serial0:115200n8"; }; -- 2.4.3