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gpio: implement pin_get_config in gecko driver

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This commit adds support for pin_get_config function in gecko driver.

Signed-off-by: Michał Barnaś <mb@semihalf.com>
This commit is contained in:
Michał Barnaś
2022-02-24 19:36:16 +01:00
committed by Carles Cufí
parent 634944ac66
commit 7a7fdffdfd
1 changed files with 74 additions and 0 deletions
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74
drivers/gpio/gpio_gecko.c
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@@ -129,6 +129,77 @@ static int gpio_gecko_configure(const struct device *dev,
return 0;
}
#ifdef CONFIG_GPIO_GET_CONFIG
static int gpio_gecko_get_config(const struct device *dev,
gpio_pin_t pin,
gpio_flags_t *out_flags)
{
const struct gpio_gecko_config *config = dev->config;
GPIO_Port_TypeDef gpio_index = config->gpio_index;
GPIO_Mode_TypeDef mode;
unsigned int out;
gpio_flags_t flags = 0;
mode = GPIO_PinModeGet(gpio_index, pin);
out = GPIO_PinOutGet(gpio_index, pin);
switch (mode) {
case gpioModeWiredAnd:
flags = GPIO_OUTPUT | GPIO_OPEN_DRAIN;
if (out) {
flags |= GPIO_OUTPUT_HIGH;
} else {
flags |= GPIO_OUTPUT_LOW;
}
break;
case gpioModeWiredOr:
flags = GPIO_OUTPUT | GPIO_OPEN_SOURCE;
if (out) {
flags |= GPIO_OUTPUT_HIGH;
} else {
flags |= GPIO_OUTPUT_LOW;
}
break;
case gpioModePushPull:
flags = GPIO_OUTPUT | GPIO_PUSH_PULL;
if (out) {
flags |= GPIO_OUTPUT_HIGH;
} else {
flags |= GPIO_OUTPUT_LOW;
}
break;
case gpioModeInputPull:
flags = GPIO_INPUT;
if (out) {
flags |= GPIO_PULL_UP;
} else {
flags |= GPIO_PULL_DOWN;
}
break;
case gpioModeInput:
flags = GPIO_INPUT;
break;
case gpioModeDisabled:
flags = GPIO_DISCONNECTED;
break;
default:
break;
}
*out_flags = flags;
return 0;
}
#endif
static int gpio_gecko_port_get_raw(const struct device *dev, uint32_t *value)
{
const struct gpio_gecko_config *config = dev->config;
@@ -267,6 +338,9 @@ static void gpio_gecko_common_isr(const struct device *dev)
static const struct gpio_driver_api gpio_gecko_driver_api = {
.pin_configure = gpio_gecko_configure,
#ifdef CONFIG_GPIO_GET_CONFIG
.pin_get_config = gpio_gecko_get_config,
#endif
.port_get_raw = gpio_gecko_port_get_raw,
.port_set_masked_raw = gpio_gecko_port_set_masked_raw,
.port_set_bits_raw = gpio_gecko_port_set_bits_raw,