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 <[email protected]> --- arch/arm/boot/dts/sun5i-q8-common.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/sun5i-q8-common.dtsi b/arch/arm/boot/dts/sun5i-q8-common.dtsi index 0641d68..76a5204 100644 --- a/arch/arm/boot/dts/sun5i-q8-common.dtsi +++ b/arch/arm/boot/dts/sun5i-q8-common.dtsi @@ -41,11 +41,22 @@ */ #include "sunxi-q8-common.dtsi" +#include <dt-bindings/pwm/pwm.h> + / { 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 */ + /* TODO: backlight is powered by AXP209 DCDC1SW */ + }; + chosen { stdout-path = "serial0:115200n8"; }; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
