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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>
116 lines
2.3 KiB
C
116 lines
2.3 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.reboot-mode"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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#include "reboot-mode.h"
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struct syscon_reboot_mode
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{
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struct rt_syscon *map;
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struct reboot_mode reboot;
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rt_uint32_t offset;
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rt_uint32_t mask;
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};
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static rt_err_t syscon_reboot_mode_write(struct reboot_mode *reboot,
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rt_uint32_t magic)
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{
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rt_err_t err;
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struct syscon_reboot_mode *srbm;
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srbm = rt_container_of(reboot, struct syscon_reboot_mode, reboot);
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err = rt_syscon_update_bits(srbm->map, srbm->offset, srbm->mask, magic);
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if (err)
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{
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LOG_E("Update reboot mode bits failed");
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}
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return err;
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}
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static rt_err_t syscon_reboot_mode_probe(struct rt_platform_device *pdev)
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{
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rt_err_t err;
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struct rt_ofw_node *np;
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struct rt_device *dev = &pdev->parent;
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struct syscon_reboot_mode *srbm = rt_calloc(1, sizeof(*srbm));
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if (!srbm)
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{
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return -RT_ENOMEM;
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}
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np = rt_ofw_get_parent(dev->ofw_node);
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srbm->map = rt_syscon_find_by_ofw_node(np);
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rt_ofw_node_put(np);
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if (!srbm->map)
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{
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err = -RT_EIO;
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goto _fail;
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}
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srbm->reboot.dev = dev;
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srbm->reboot.write = syscon_reboot_mode_write;
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srbm->mask = 0xffffffff;
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if (rt_dm_dev_prop_read_u32(dev, "offset", &srbm->offset))
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{
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err = -RT_EINVAL;
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goto _fail;
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}
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rt_dm_dev_prop_read_u32(dev, "mask", &srbm->mask);
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if ((err = reboot_mode_register(&srbm->reboot)))
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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(srbm);
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return err;
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}
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static const struct rt_ofw_node_id syscon_reboot_mode_ofw_ids[] =
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{
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{ .compatible = "syscon-reboot-mode" },
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{ /* sentinel */ }
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};
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static struct rt_platform_driver syscon_reboot_mode_driver =
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{
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.name = "reset-syscon-reboot-mode",
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.ids = syscon_reboot_mode_ofw_ids,
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.probe = syscon_reboot_mode_probe,
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};
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static int syscon_reboot_mode_driver_register(void)
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{
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rt_platform_driver_register(&syscon_reboot_mode_driver);
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return 0;
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}
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INIT_SUBSYS_EXPORT(syscon_reboot_mode_driver_register);
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