162306a36Sopenharmony_ci// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 262306a36Sopenharmony_ci// Copyright (C) 2020 Ondrej Jirman <megous@megous.com> 362306a36Sopenharmony_ci 462306a36Sopenharmony_ci/dts-v1/; 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include "sun50i-a64-pinephone.dtsi" 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci/ { 962306a36Sopenharmony_ci model = "Pine64 PinePhone Braveheart (1.1)"; 1062306a36Sopenharmony_ci compatible = "pine64,pinephone-1.1", "pine64,pinephone", "allwinner,sun50i-a64"; 1162306a36Sopenharmony_ci}; 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci&backlight { 1462306a36Sopenharmony_ci power-supply = <®_ldo_io0>; 1562306a36Sopenharmony_ci /* 1662306a36Sopenharmony_ci * PWM backlight circuit on this PinePhone revision was changed since 1762306a36Sopenharmony_ci * 1.0, and the lowest PWM duty cycle that doesn't lead to backlight 1862306a36Sopenharmony_ci * being off is around 20%. Duty cycle for the lowest brightness level 1962306a36Sopenharmony_ci * also varries quite a bit between individual boards, so the lowest 2062306a36Sopenharmony_ci * value here was chosen as a safe default. 2162306a36Sopenharmony_ci */ 2262306a36Sopenharmony_ci brightness-levels = < 2362306a36Sopenharmony_ci 774 793 814 842 2462306a36Sopenharmony_ci 882 935 1003 1088 2562306a36Sopenharmony_ci 1192 1316 1462 1633 2662306a36Sopenharmony_ci 1830 2054 2309 2596 2762306a36Sopenharmony_ci 2916 3271 3664 4096>; 2862306a36Sopenharmony_ci num-interpolated-steps = <50>; 2962306a36Sopenharmony_ci default-brightness-level = <400>; 3062306a36Sopenharmony_ci}; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci&codec_analog { 3362306a36Sopenharmony_ci allwinner,internal-bias-resistor; 3462306a36Sopenharmony_ci}; 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci&sgm3140 { 3762306a36Sopenharmony_ci enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ 3862306a36Sopenharmony_ci flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */ 3962306a36Sopenharmony_ci}; 40