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arch/risc-v/esp32c6: Add RTC GPIO support for esp32c6

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Add RTC GPIO support for esp32c6

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
This commit is contained in:
Eren Terzioglu 2025-08-08 19:28:00 +02:00 • committed by simbit18
parent eaaeed2236
commit e148048ac2
2 changed files with 137 additions and 0 deletions
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75
arch/risc-v/src/common/espressif/esp_rtc_gpio.c
View file

@ -43,6 +43,12 @@
#include "hal/rtc_io_hal.h"
#include "soc/rtc_cntl_periph.h"
#include "soc/periph_defs.h"
#ifdef CONFIG_ARCH_CHIP_ESP32C6
#include "driver/rtc_io.h"
#include "hal/rtc_io_ll.h"
#include "hal/rtc_io_hal.h"
#include "io_mux.h"
#endif
/****************************************************************************
* Pre-processor Definitions
@ -264,3 +270,72 @@ void esp_rtcioirqdisable(int irq)
}
#endif /* CONFIG_ESPRESSIF_RTCIO_IRQ */
#endif /* CONFIG_ARCH_CHIP_ESP32C3_GENERIC */
#ifdef CONFIG_ARCH_CHIP_ESP32C6
/****************************************************************************
* Name: esp_rtcio_config_gpio
*
* Description:
* Configure a RTC GPIO pin based on encoded pin attributes
*
* Input Parameters:
* pin - RTC GPIO pin to be configured.
* mode - Attributes to be configured for the selected RTC GPIO pin.
*
* Returned Value:
* Zero (OK) on success, or -1 (ERROR) in case of failure.
*
****************************************************************************/
int esp_rtcio_config_gpio(int pin, enum esp_rtc_gpio_mode_e mode)
{
int ret = rtc_gpio_init(pin);
if (ret != OK)
{
return ret;
}
ret = rtc_gpio_set_direction(pin, mode);
return ret;
}
/****************************************************************************
* Name: esp_rtcio_read
*
* Description:
* Read one or zero from the selected RTC GPIO pin
*
* Input Parameters:
* pin - RTC GPIO pin to be read.
*
* Returned Value:
* The boolean representation of the input value (true/false).
*
****************************************************************************/
int esp_rtcio_read(int pin)
{
return rtc_gpio_get_level(pin);
}
/****************************************************************************
* Name: esp_rtcio_write
*
* Description:
* Write one or zero to the selected RTC GPIO pin
*
* Input Parameters:
* pin - GPIO pin to be modified.
* value - The value to be written (0 or 1).
*
* Returned Value:
* None
*
****************************************************************************/
void esp_rtcio_write(int pin, bool value)
{
rtc_gpio_set_level(pin, value);
}
#endif /* CONFIG_ARCH_CHIP_ESP32C6 */

62
arch/risc-v/src/common/espressif/esp_rtc_gpio.h
View file

@ -40,6 +40,16 @@
* Public Types
****************************************************************************/
typedef enum esp_rtc_gpio_mode_e
{
ESP_RTC_GPIO_MODE_INPUT,
ESP_RTC_GPIO_MODE_OUTPUT,
ESP_RTC_GPIO_MODE_INPUT_OUTPUT,
ESP_RTC_GPIO_MODE_DISABLED,
ESP_RTC_GPIO_MODE_OUTPUT_OD,
ESP_RTC_GPIO_MODE_INPUT_OUTPUT_OD
} esp_rtc_gpio_mode_t;
#ifndef __ASSEMBLY__
/****************************************************************************
@ -111,5 +121,57 @@ void esp_rtcioirqdisable(int irq);
# define esp_rtcioirqdisable(irq)
#endif
#ifdef CONFIG_ARCH_CHIP_ESP32C6
/****************************************************************************
* Name: esp_rtcio_config_gpio
*
* Description:
* Configure a RTC GPIO pin based on encoded pin attributes
*
* Input Parameters:
* pin - RTC GPIO pin to be configured.
* mode - Attributes to be configured for the selected RTC GPIO pin.
*
* Returned Value:
* Zero (OK) on success, or -1 (ERROR) in case of failure.
*
****************************************************************************/
int esp_rtcio_config_gpio(int pin, enum esp_rtc_gpio_mode_e mode);
/****************************************************************************
* Name: esp_rtcio_read
*
* Description:
* Read one or zero from the selected RTC GPIO pin
*
* Input Parameters:
* pin - RTC GPIO pin to be read.
*
* Returned Value:
* The boolean representation of the input value (true/false).
*
****************************************************************************/
int esp_rtcio_read(int pin);
/****************************************************************************
* Name: esp_rtcio_write
*
* Description:
* Write one or zero to the selected RTC GPIO pin
*
* Input Parameters:
* pin - GPIO pin to be modified.
* value - The value to be written (0 or 1).
*
* Returned Value:
* None
*
****************************************************************************/
void esp_rtcio_write(int pin, bool value);
#endif /* CONFIG_ARCH_CHIP_ESP32C6 */
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_RISC_V_SRC_COMMON_ESPRESSIF_ESP_RTC_GPIO_H */