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[Feature] Support simple power domain API (#9005)

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* [Feature] Power domain for device

1.Support device power on/off.
2.Support attach/detach device.
3.Support power domain driver api.

Signed-off-by: GuEe-GUI <2991707448@qq.com>

* [DM/platform] Enhanced platform bus

1.Add power domain for device.
2.Support `remove` and `shutdown` bus interface.

Signed-off-by: GuEe-GUI <2991707448@qq.com>

---------

Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GUI
2024-05-30 15:30:40 +08:00
committed by GitHub
parent 2cbe8bdae0
commit e7cddf3a52
10 changed files with 725 additions and 3 deletions
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26
components/drivers/core/platform_ofw.c
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@@ -92,9 +92,7 @@ static struct rt_platform_device *alloc_ofw_platform_device(struct rt_ofw_node *
rt_ofw_node_get(np);
rt_ofw_node_set_flag(np, RT_OFW_F_PLATFORM);
#ifdef RT_USING_OFW
pdev->parent.ofw_node = np;
#endif
ofw_device_rename(&pdev->parent);
}
@@ -232,3 +230,27 @@ static int platform_ofw_device_probe(void)
return (int)err;
}
INIT_PLATFORM_EXPORT(platform_ofw_device_probe);
rt_err_t rt_platform_ofw_free(struct rt_platform_device *pdev)
{
rt_err_t err = RT_EOK;
if (pdev)
{
struct rt_ofw_node *np = pdev->parent.ofw_node;
if (np)
{
rt_ofw_node_clear_flag(np, RT_OFW_F_PLATFORM);
rt_ofw_node_put(np);
pdev->parent.ofw_node = RT_NULL;
}
}
else
{
err = -RT_EINVAL;
}
return err;
}