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/* 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 <zephyr/init.h>
#include <zephyr/drivers/gpio.h>
#include <ap_power/ap_power.h>
#include "power.h"
#include "task.h"
#include "gpio.h"
static void board_power_change(struct ap_power_ev_callback *cb,
struct ap_power_ev_data data)
{
switch (data.event) {
default:
return;
case AP_POWER_PRE_INIT:
/* Turn on the 3.3V rail */
gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_en_pp3300_a), 1);
/* Turn on the 5V rail. */
#ifdef CONFIG_POWER_PP5000_CONTROL
power_5v_enable(task_get_current(), 1);
#else /* !defined(CONFIG_POWER_PP5000_CONTROL) */
gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_en_pp5000_a), 1);
#endif /* defined(CONFIG_POWER_PP5000_CONTROL) */
break;
case AP_POWER_SHUTDOWN_COMPLETE:
/* Turn off the 5V rail. */
#ifdef CONFIG_POWER_PP5000_CONTROL
power_5v_enable(task_get_current(), 0);
#else /* !defined(CONFIG_POWER_PP5000_CONTROL) */
gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_en_pp5000_a), 0);
#endif /* defined(CONFIG_POWER_PP5000_CONTROL) */
/* Turn off the 3.3V and 5V rails. */
gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_en_pp3300_a), 0);
break;
}
}
static int board_power_handler_init(const struct device *unused)
{
static struct ap_power_ev_callback cb;
/* Setup a suspend/resume callback */
ap_power_ev_init_callback(&cb, board_power_change,
AP_POWER_PRE_INIT |
AP_POWER_SHUTDOWN_COMPLETE);
ap_power_ev_add_callback(&cb);
return 0;
}
SYS_INIT(board_power_handler_init, APPLICATION, 1);
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