1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2// Copyright (C) 2020 Ondrej Jirman <megous@megous.com>
3
4/dts-v1/;
5
6#include "sun50i-a64-pinephone.dtsi"
7
8/ {
9	model = "Pine64 PinePhone Braveheart (1.1)";
10	compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64";
11};
12
13&backlight {
14	power-supply = <&reg_ldo_io0>;
15	/*
16	 * PWM backlight circuit on this PinePhone revision was changed since
17	 * 1.0, and the lowest PWM duty cycle that doesn't lead to backlight
18	 * being off is around 20%. Duty cycle for the lowest brightness level
19	 * also varries quite a bit between individual boards, so the lowest
20	 * value here was chosen as a safe default.
21	 */
22	brightness-levels = <
23		774  793  814  842
24		882  935  1003 1088
25		1192 1316 1462 1633
26		1830 2054 2309 2596
27		2916 3271 3664 4096>;
28	num-interpolated-steps = <50>;
29	default-brightness-level = <400>;
30};
31