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drivers: gpio: andes_atcgpio100: implement port_get_direction function

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Add support for port_get_direction function in andes atcgpio100 driver.

Signed-off-by: Wei-Tai Lee <wtlee@andestech.com>
This commit is contained in:
Wei-Tai Lee 2023-05-22 15:52:20 +08:00 • committed by Chris Friedt
commit 0e8477ed43
1 changed files with 26 additions and 0 deletions
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26
drivers/gpio/gpio_andes_atcgpio100.c
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@ -288,6 +288,29 @@ static int gpio_atcgpio100_manage_callback(const struct device *port,
return gpio_manage_callback(&data->cb, callback, set);
}
#ifdef CONFIG_GPIO_GET_DIRECTION
static int gpio_atcgpio100_port_get_dir(const struct device *port,
gpio_port_pins_t map,
gpio_port_pins_t *inputs,
gpio_port_pins_t *outputs)
{
const struct gpio_atcgpio100_config * const dev_cfg = port->config;
uint32_t direction = sys_read32(GPIO_DIR(port));
map &= dev_cfg->common.port_pin_mask;
if (inputs != NULL) {
*inputs = map & ~direction;
}
if (outputs != NULL) {
*outputs = map & direction;
}
return 0;
}
#endif /* CONFIG_GPIO_GET_DIRECTION */
static void gpio_atcgpio100_irq_handler(const struct device *port)
{
struct gpio_atcgpio100_data * const data = port->data;
@ -309,6 +332,9 @@ static const struct gpio_driver_api gpio_atcgpio100_api = {
.port_toggle_bits = gpio_atcgpio100_toggle_bits,
.pin_interrupt_configure = gpio_atcgpio100_pin_interrupt_configure,
.manage_callback = gpio_atcgpio100_manage_callback
#ifdef CONFIG_GPIO_GET_DIRECTION
.port_get_direction = gpio_atcgpio100_port_get_dir,
#endif /* CONFIG_GPIO_GET_DIRECTION */
};
static int gpio_atcgpio100_init(const struct device *port)