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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>
105 lines
2.1 KiB
C
105 lines
2.1 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.syscon.poweroff"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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static struct rt_syscon *syscon;
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static rt_uint32_t offset, value, mask;
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static void syscon_poweroff(void)
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{
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/* Issue the poweroff */
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rt_syscon_update_bits(syscon, offset, mask, value);
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rt_thread_mdelay(1000);
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LOG_E("Unable to poweroff system");
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}
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static rt_err_t syscon_poweroff_probe(struct rt_platform_device *pdev)
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{
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rt_err_t mask_err, value_err;
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struct rt_ofw_node *np = pdev->parent.ofw_node;
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syscon = rt_syscon_find_by_ofw_phandle(np, "regmap");
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if (!syscon)
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{
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return -RT_ERROR;
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}
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if (rt_ofw_prop_read_u32(np, "offset", &offset))
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{
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LOG_E("read '%s' fail", "offset");
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return -RT_EINVAL;
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}
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value_err = rt_ofw_prop_read_u32(np, "value", &value);
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mask_err = rt_ofw_prop_read_u32(np, "mask", &mask);
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if (value_err && mask_err)
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{
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LOG_E("read '%s' and '%s' fail", "value", "mask");
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return -RT_EINVAL;
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}
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if (value_err)
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{
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/* support old binding */
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value = mask;
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mask = 0xffffffff;
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}
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else if (mask_err)
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{
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/* support value without mask */
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mask = 0xffffffff;
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}
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if (rt_dm_machine_shutdown)
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{
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LOG_E("rt_dm_machine_shutdown have hook %p", rt_dm_machine_shutdown);
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return -RT_EBUSY;
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}
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rt_dm_machine_shutdown = syscon_poweroff;
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return RT_EOK;
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}
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static const struct rt_ofw_node_id syscon_poweroff_ofw_ids[] =
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{
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{ .compatible = "syscon-poweroff" },
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{ /* sentinel */ }
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};
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static struct rt_platform_driver syscon_poweroff_driver =
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{
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.name = "reset-syscon-poweroff",
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.ids = syscon_poweroff_ofw_ids,
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.probe = syscon_poweroff_probe,
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};
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static int syscon_poweroff_driver_register(void)
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{
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rt_platform_driver_register(&syscon_poweroff_driver);
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return 0;
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}
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INIT_SUBSYS_EXPORT(syscon_poweroff_driver_register);
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