/* Copyright 2022 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "common.h" #include "compile_time_macros.h" #include "hooks.h" #include "pwm.h" #include "pwm_chip.h" const struct pwm_t pwm_channels[] = { [PWM_CH_LED_GREEN] = { .channel = 0, .flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, .freq = 2000 }, [PWM_CH_FAN] = { .channel = 5, .flags = PWM_CONFIG_OPEN_DRAIN | PWM_CONFIG_DSLEEP, .freq = 1000 }, [PWM_CH_LED_RED] = { .channel = 2, .flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, .freq = 2000 }, }; BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); static void board_pwm_init(void) { /* * TODO(b/197478860): Turn on the fan at 100% by default * We need to find tune the fan speed according to the * thermal sensor value. */ pwm_enable(PWM_CH_FAN, 1); pwm_set_duty(PWM_CH_FAN, 100); pwm_enable(PWM_CH_LED_RED, 1); pwm_enable(PWM_CH_LED_GREEN, 1); } DECLARE_HOOK(HOOK_INIT, board_pwm_init, HOOK_PRIO_DEFAULT);