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gpiochip: export ioexpander pointer to user

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sim gpiochip ioexpander export to user

Signed-off-by: yezhonghui <yezhonghui@xiaomi.com>
This commit is contained in:
yezhonghui 2025-04-24 17:41:11 +08:00 • committed by Alan C. Assis
parent b11f669676
commit 227d7237ab
2 changed files with 24 additions and 0 deletions
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23
arch/sim/src/sim/sim_gpiochip.c
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@ -93,6 +93,8 @@ static struct ioexpander_ops_s g_sim_gpiochip_ops =
#endif
};
struct ioexpander_dev_s *g_gpiochip = NULL;
/****************************************************************************
* Private Functions
****************************************************************************/
@ -450,5 +452,26 @@ int sim_gpiochip_initialize(const char *path)
wd_start(&priv->wdog, SIM_GPIOCHIP_WDOG_DELAY,
sim_gpiochip_interrupt, (wdparm_t)priv);
g_gpiochip = (struct ioexpander_dev_s *)priv;
return 0;
}
/****************************************************************************
* Name: sim_gpiochip_get_ioe
*
* Description:
* Get the ioexpander pointer of gpiochip device
*
* Input Parameters:
* None.
*
* Returned Value:
* The pointer to the instance of sim gpiochip device.
*
****************************************************************************/
struct ioexpander_dev_s *sim_gpiochip_get_ioe(void)
{
return g_gpiochip;
}

1
arch/sim/src/sim/sim_internal.h
View file

@ -518,6 +518,7 @@ void sim_stack_color(void *stackbase, size_t nbytes);
#ifdef CONFIG_SIM_GPIOCHIP
int sim_gpiochip_initialize(const char *filename);
struct ioexpander_dev_s *sim_gpiochip_get_ioe(void);
#endif
#endif /* __ASSEMBLY__ */