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drivers: gpio: Update NXP LPC GPIO driver to enable wakeup

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Process the GPIO_INT_WAKEUP flag and set appropraite bits
in the SoC to wakeup the system from deep sleep mode.

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
This commit is contained in:
Mahesh Mahadevan 2023-12-13 16:58:23 -06:00 committed by Anas Nashif
parent 21e9918260
commit 94540a9dee
3 changed files with 15 additions and 3 deletions
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2
drivers/gpio/gpio_mcux_lpc.c
View file

@ -260,7 +260,7 @@ static int gpio_mcux_lpc_pint_interrupt_cfg(const struct device *dev,
}
/* PINT treats GPIO pins as continuous. Each port has 32 pins */
ret = nxp_pint_pin_enable((port * 32) + pin, interrupt_mode);
ret = nxp_pint_pin_enable((port * 32) + pin, interrupt_mode, (trig & GPIO_INT_WAKEUP));
if (ret < 0) {
return ret;
}

13
drivers/interrupt_controller/intc_nxp_pint.c
View file

@ -12,6 +12,7 @@
#include <zephyr/drivers/interrupt_controller/nxp_pint.h>
#include <fsl_inputmux.h>
#include <fsl_power.h>
#define DT_DRV_COMPAT nxp_pint
@ -23,6 +24,7 @@ struct pint_irq_slot {
void *user_data;
uint8_t pin: 6;
uint8_t used: 1;
uint8_t irq;
};
#define NO_PINT_ID 0xFF
@ -58,9 +60,10 @@ static void attach_pin_to_pint(uint8_t pin, uint8_t pint_slot)
* @param pin: pin to use as interrupt source
* 0-64, corresponding to GPIO0 pin 1 - GPIO1 pin 31)
* @param trigger: one of nxp_pint_trigger flags
* @param wake: indicates if the pin should wakeup the system
* @return 0 on success, or negative value on error
*/
int nxp_pint_pin_enable(uint8_t pin, enum nxp_pint_trigger trigger)
int nxp_pint_pin_enable(uint8_t pin, enum nxp_pint_trigger trigger, bool wake)
{
uint8_t slot = 0U;
@ -91,6 +94,13 @@ int nxp_pint_pin_enable(uint8_t pin, enum nxp_pint_trigger trigger)
* driver handles the IRQ
*/
PINT_PinInterruptConfig(pint_base, slot, trigger, NULL);
#if !(defined(FSL_FEATURE_POWERLIB_EXTEND) && (FSL_FEATURE_POWERLIB_EXTEND != 0))
if (wake) {
EnableDeepSleepIRQ(pint_irq_cfg[slot].irq);
} else {
DisableDeepSleepIRQ(pint_irq_cfg[slot].irq);
}
#endif
return 0;
}
@ -184,6 +194,7 @@ static void nxp_pint_isr(uint8_t *slot)
DT_IRQ_BY_IDX(node_id, idx, priority), \
nxp_pint_isr, &nxp_pint_idx_##idx, 0); \
irq_enable(DT_IRQ_BY_IDX(node_id, idx, irq)); \
pint_irq_cfg[idx].irq = DT_IRQ_BY_IDX(node_id, idx, irq); \
} while (false)))
static int intc_nxp_pint_init(const struct device *dev)

3
include/zephyr/drivers/interrupt_controller/nxp_pint.h
View file

@ -50,8 +50,9 @@ typedef void (*nxp_pint_cb_t) (uint8_t pin, void *user);
* @param pin: pin to use as interrupt source
* 0-64, corresponding to GPIO0 pin 1 - GPIO1 pin 31)
* @param trigger: one of nxp_pint_trigger flags
* @param wake: indicates if the pin should wakeup the system
*/
int nxp_pint_pin_enable(uint8_t pin, enum nxp_pint_trigger trigger);
int nxp_pint_pin_enable(uint8_t pin, enum nxp_pint_trigger trigger, bool wake);
/**