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", "pine64,pinephone", "allwinner,sun50i-a64";
11 };
12
13 &backlight {
14 power-supply = <®_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
32 &codec_analog {
33 allwinner,internal-bias-resistor;
34 };
35
36 &sgm3140 {
37 enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
38 flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
39 };
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