1*4882a593Smuzhiyun// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2*4882a593Smuzhiyun// Copyright (C) 2020 Ondrej Jirman <megous@megous.com> 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun/dts-v1/; 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun#include "sun50i-a64-pinephone.dtsi" 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun/ { 9*4882a593Smuzhiyun model = "Pine64 PinePhone Braveheart (1.1)"; 10*4882a593Smuzhiyun compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64"; 11*4882a593Smuzhiyun}; 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun&backlight { 14*4882a593Smuzhiyun power-supply = <®_ldo_io0>; 15*4882a593Smuzhiyun /* 16*4882a593Smuzhiyun * PWM backlight circuit on this PinePhone revision was changed since 17*4882a593Smuzhiyun * 1.0, and the lowest PWM duty cycle that doesn't lead to backlight 18*4882a593Smuzhiyun * being off is around 20%. Duty cycle for the lowest brightness level 19*4882a593Smuzhiyun * also varries quite a bit between individual boards, so the lowest 20*4882a593Smuzhiyun * value here was chosen as a safe default. 21*4882a593Smuzhiyun */ 22*4882a593Smuzhiyun brightness-levels = < 23*4882a593Smuzhiyun 774 793 814 842 24*4882a593Smuzhiyun 882 935 1003 1088 25*4882a593Smuzhiyun 1192 1316 1462 1633 26*4882a593Smuzhiyun 1830 2054 2309 2596 27*4882a593Smuzhiyun 2916 3271 3664 4096>; 28*4882a593Smuzhiyun num-interpolated-steps = <50>; 29*4882a593Smuzhiyun default-brightness-level = <400>; 30*4882a593Smuzhiyun}; 31