gpio:add feature for gpio wakeup
1.add pin type to cfg gpio as wake up source
2.add IOEXPANDER_OPTION_WAKEUPCFG for set wake up option
Signed-off-by: dulibo1 <dulibo1@xiaomi.com>
Signed-off-by: buxiasen <buxiasen@xiaomi.com>
diff --git a/drivers/ioexpander/gpio_lower_half.c b/drivers/ioexpander/gpio_lower_half.c
index 3e9c22e..40fba20 100644
--- a/drivers/ioexpander/gpio_lower_half.c
+++ b/drivers/ioexpander/gpio_lower_half.c
@@ -113,6 +113,33 @@
IOEXPANDER_VAL_RISING, /* GPIO_INTERRUPT_RISING_PIN */
IOEXPANDER_VAL_FALLING, /* GPIO_INTERRUPT_FALLING_PIN */
IOEXPANDER_VAL_BOTH, /* GPIO_INTERRUPT_BOTH_PIN */
+ CONFIG_GPIO_LOWER_HALF_INTTYPE, /* GPIO_INTERRUPT_PIN_WAKEUP */
+ IOEXPANDER_VAL_HIGH, /* GPIO_INTERRUPT_HIGH_PIN_WAKEUP */
+ IOEXPANDER_VAL_LOW, /* GPIO_INTERRUPT_LOW_PIN_WAKEUP */
+ IOEXPANDER_VAL_RISING, /* GPIO_INTERRUPT_RISING_PIN_WAKEUP */
+ IOEXPANDER_VAL_FALLING, /* GPIO_INTERRUPT_FALLING_PIN_WAKEUP */
+ IOEXPANDER_VAL_BOTH, /* GPIO_INTERRUPT_BOTH_PIN_WAKEUP */
+};
+
+static const uint32_t g_gplh_wakeuptype[GPIO_NPINTYPES] =
+{
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INPUT_PIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INPUT_PIN_PULLUP */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INPUT_PIN_PULLDOWN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_OUTPUT_PIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_OUTPUT_PIN_OPENDRAIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INTERRUPT_PIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INTERRUPT_HIGH_PIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INTERRUPT_LOW_PIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INTERRUPT_RISING_PIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INTERRUPT_FALLING_PIN */
+ IOEXPANDER_WAKEUP_DISABLE, /* GPIO_INTERRUPT_BOTH_PIN */
+ IOEXPANDER_WAKEUP_ENABLE, /* GPIO_INTERRUPT_PIN_WAKEUP */
+ IOEXPANDER_WAKEUP_ENABLE, /* GPIO_INTERRUPT_HIGH_PIN_WAKEUP */
+ IOEXPANDER_WAKEUP_ENABLE, /* GPIO_INTERRUPT_LOW_PIN_WAKEUP */
+ IOEXPANDER_WAKEUP_ENABLE, /* GPIO_INTERRUPT_RISING_PIN_WAKEUP */
+ IOEXPANDER_WAKEUP_ENABLE, /* GPIO_INTERRUPT_FALLING_PIN_WAKEUP */
+ IOEXPANDER_WAKEUP_ENABLE, /* GPIO_INTERRUPT_BOTH_PIN_WAKEUP */
};
/****************************************************************************
@@ -357,6 +384,9 @@
IOEXP_SETOPTION(ioe, pin, IOEXPANDER_OPTION_INTCFG,
(FAR void *)(uintptr_t)g_gplh_inttype[pintype]);
+
+ IOEXP_SETOPTION(ioe, pin, IOEXPANDER_OPTION_WAKEUPCFG,
+ (FAR void *)(uintptr_t)g_gplh_wakeuptype[pintype]);
}
gpio->gp_pintype = pintype;
diff --git a/include/nuttx/ioexpander/gpio.h b/include/nuttx/ioexpander/gpio.h
index fcfc0f2..bd1bd5c 100644
--- a/include/nuttx/ioexpander/gpio.h
+++ b/include/nuttx/ioexpander/gpio.h
@@ -100,6 +100,12 @@
GPIO_INTERRUPT_RISING_PIN,
GPIO_INTERRUPT_FALLING_PIN,
GPIO_INTERRUPT_BOTH_PIN,
+ GPIO_INTERRUPT_PIN_WAKEUP,
+ GPIO_INTERRUPT_HIGH_PIN_WAKEUP,
+ GPIO_INTERRUPT_LOW_PIN_WAKEUP,
+ GPIO_INTERRUPT_RISING_PIN_WAKEUP,
+ GPIO_INTERRUPT_FALLING_PIN_WAKEUP,
+ GPIO_INTERRUPT_BOTH_PIN_WAKEUP,
GPIO_NPINTYPES
};
diff --git a/include/nuttx/ioexpander/ioexpander.h b/include/nuttx/ioexpander/ioexpander.h
index 83e458c..17529f0 100644
--- a/include/nuttx/ioexpander/ioexpander.h
+++ b/include/nuttx/ioexpander/ioexpander.h
@@ -77,6 +77,10 @@
* structure to expander driver.
*/
+#define IOEXPANDER_OPTION_WAKEUPCFG 5 /* Configure interrupt for a pin to wake up the Soc */
+#define IOEXPANDER_WAKEUP_DISABLE 0 /* Do not cfg the pin as wake up source */
+#define IOEXPANDER_WAKEUP_ENABLE 1 /* Cfg the pin as wake up source */
+
/* Access macros ************************************************************/
/****************************************************************************
