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GuEe-GUI
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1. GPIO poweroff/restart 2. Generic SYSCON regmap poweroff/reboot mode/reboot 3. Emulator battery(thermal)/charger 4. GPIO charger Signed-off-by: GuEe-GUI <2991707448@qq.com>
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-02-25 GuEe-GUI the first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#define DBG_TAG "reset.gpio.poweroff"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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struct gpio_poweroff
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{
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rt_ubase_t pin;
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rt_uint8_t active_value;
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rt_uint32_t timeout_ms;
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rt_uint32_t active_delay_ms;
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rt_uint32_t inactive_delay_ms;
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};
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static rt_err_t gpio_poweroff_do_poweroff(struct rt_device *dev)
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{
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struct gpio_poweroff *gp = dev->user_data;
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rt_pin_mode(gp->pin, PIN_MODE_OUTPUT);
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rt_thread_mdelay(gp->active_delay_ms);
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rt_pin_write(gp->pin, !gp->active_value);
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rt_thread_mdelay(gp->inactive_delay_ms);
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rt_pin_write(gp->pin, gp->active_value);
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rt_thread_mdelay(gp->timeout_ms);
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return RT_EOK;
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}
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static rt_err_t gpio_poweroff_probe(struct rt_platform_device *pdev)
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{
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rt_err_t err;
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struct rt_device *dev = &pdev->parent;
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struct gpio_poweroff *gp = rt_calloc(1, sizeof(*gp));
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if (!gp)
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{
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return -RT_ENOMEM;
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}
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gp->pin = rt_pin_get_named_pin(dev, RT_NULL, 0, RT_NULL, &gp->active_value);
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if (gp->pin < 0)
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{
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err = gp->pin;
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goto _fail;
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}
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gp->active_delay_ms = 100;
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gp->inactive_delay_ms = 100;
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gp->timeout_ms = 3000;
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rt_dm_dev_prop_read_u32(dev, "active-delay-ms", &gp->active_delay_ms);
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rt_dm_dev_prop_read_u32(dev, "inactive-delay-ms", &gp->inactive_delay_ms);
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rt_dm_dev_prop_read_u32(dev, "timeout-ms", &gp->timeout_ms);
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dev->user_data = gp;
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if ((err = rt_dm_power_off_handler(dev, RT_DM_POWER_OFF_MODE_SHUTDOWN,
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RT_DM_POWER_OFF_PRIO_DEFAULT, gpio_poweroff_do_poweroff)))
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{
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goto _fail;
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}
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return RT_EOK;
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_fail:
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rt_free(gp);
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return err;
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}
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static const struct rt_ofw_node_id gpio_poweroff_ofw_ids[] =
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{
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{ .compatible = "gpio-poweroff" },
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{ /* sentinel */ }
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};
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static struct rt_platform_driver gpio_poweroff_driver =
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{
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.name = "reset-gpio-poweroff",
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.ids = gpio_poweroff_ofw_ids,
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.probe = gpio_poweroff_probe,
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};
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RT_PLATFORM_DRIVER_EXPORT(gpio_poweroff_driver);
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