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/* Copyright 2022 The Chromium OS Authors. All rights reserved.
* 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);
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