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driver: gpio: siwx91x: Add device runtime support for gpio driver

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This commit enables the device runtime driver support
for the siwx91x device.

Signed-off-by: S Mohamed Fiaz <fiaz.mohamed@silabs.com>
This commit is contained in:
S Mohamed Fiaz 2025-05-16 13:32:16 +05:30 • committed by Dan Kalowsky
commit f61b5bd705
1 changed files with 40 additions and 4 deletions
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44
drivers/gpio/gpio_silabs_siwx91x.c
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@ -12,6 +12,8 @@
#include <errno.h> #include <errno.h>
#include <zephyr/sys/util.h> #include <zephyr/sys/util.h>
#include <zephyr/irq.h> #include <zephyr/irq.h>
#include <zephyr/pm/device.h>
#include <zephyr/pm/device_runtime.h>
/* Zephyr GPIO header must be included after driver, due to symbol conflicts /* Zephyr GPIO header must be included after driver, due to symbol conflicts
* for GPIO_INPUT and GPIO_OUTPUT between preprocessor macros in the Zephyr * for GPIO_INPUT and GPIO_OUTPUT between preprocessor macros in the Zephyr
@ -56,9 +58,42 @@ struct gpio_siwx91x_port_data {
struct gpio_driver_data common; struct gpio_driver_data common;
/* port ISR callback routine address */ /* port ISR callback routine address */
sys_slist_t callbacks; sys_slist_t callbacks;
#if defined(CONFIG_PM)
/* stores the direction of each pin */
uint16_t pin_direction[MAX_PIN_COUNT];
#endif
}; };
/* Functions */ /* Functions */
static int gpio_siwx91x_port_pm_action(const struct device *port, enum pm_device_action action)
{
__maybe_unused const struct gpio_siwx91x_port_config *config = port->config;
__maybe_unused struct gpio_siwx91x_port_data *data = port->data;
#if defined(CONFIG_PM)
switch (action) {
case PM_DEVICE_ACTION_RESUME:
for (int pin = 0; pin < MAX_PIN_COUNT; ++pin) {
if (config->common.port_pin_mask & BIT(pin)) {
sl_si91x_gpio_set_pin_direction(config->hal_port, pin,
data->pin_direction[pin]);
}
}
break;
case PM_DEVICE_ACTION_SUSPEND:
for (int pin = 0; pin < MAX_PIN_COUNT; ++pin) {
if (config->common.port_pin_mask & BIT(pin)) {
data->pin_direction[pin] =
sl_si91x_gpio_get_pin_direction(config->hal_port, pin);
}
}
break;
default:
return -ENOTSUP;
}
#endif
return 0;
}
static int gpio_siwx91x_pin_configure(const struct device *dev, gpio_pin_t pin, gpio_flags_t flags) static int gpio_siwx91x_pin_configure(const struct device *dev, gpio_pin_t pin, gpio_flags_t flags)
{ {
const struct gpio_siwx91x_port_config *cfg = dev->config; const struct gpio_siwx91x_port_config *cfg = dev->config;
@ -295,7 +330,7 @@ static inline int gpio_siwx91x_init_port(const struct device *port)
__ASSERT(cfg->port < MAX_PORT_COUNT, "Too many ports"); __ASSERT(cfg->port < MAX_PORT_COUNT, "Too many ports");
data->ports[cfg->port] = port; data->ports[cfg->port] = port;
return 0; return pm_device_driver_init(port, gpio_siwx91x_port_pm_action);
} }
static void gpio_siwx91x_isr(const struct device *parent) static void gpio_siwx91x_isr(const struct device *parent)
@ -361,9 +396,10 @@ static DEVICE_API(gpio, gpio_siwx91x_api) = {
}; \ }; \
static struct gpio_siwx91x_port_data gpio_siwx91x_port_data##n; \ static struct gpio_siwx91x_port_data gpio_siwx91x_port_data##n; \
\ \
DEVICE_DT_DEFINE(n, gpio_siwx91x_init_port, NULL, &gpio_siwx91x_port_data##n, \ PM_DEVICE_DT_INST_DEFINE(n, gpio_siwx91x_port_pm_action); \
&gpio_siwx91x_port_config##n, PRE_KERNEL_1, CONFIG_GPIO_INIT_PRIORITY, \ DEVICE_DT_DEFINE(n, gpio_siwx91x_init_port, PM_DEVICE_DT_INST_GET(n), \
&gpio_siwx91x_api); &gpio_siwx91x_port_data##n, &gpio_siwx91x_port_config##n, PRE_KERNEL_1, \
CONFIG_GPIO_INIT_PRIORITY, &gpio_siwx91x_api);
#define CONFIGURE_SHARED_INTERRUPT(node_id, prop, idx) \ #define CONFIGURE_SHARED_INTERRUPT(node_id, prop, idx) \
IRQ_CONNECT(DT_IRQ_BY_IDX(node_id, idx, irq), DT_IRQ_BY_IDX(node_id, idx, priority), \ IRQ_CONNECT(DT_IRQ_BY_IDX(node_id, idx, irq), DT_IRQ_BY_IDX(node_id, idx, priority), \