diff --git a/cores/esp32/Esp.cpp b/cores/esp32/Esp.cpp
index c7b66d25eca..8f85732ef38 100644
--- a/cores/esp32/Esp.cpp
+++ b/cores/esp32/Esp.cpp
@@ -48,6 +48,9 @@ extern "C" {
 #include "esp32s3/rom/spi_flash.h"
 #include "soc/efuse_reg.h"
 #define ESP_FLASH_IMAGE_BASE 0x0000     // Esp32s3 is located at 0x0000
+#elif CONFIG_IDF_TARGET_ESP32C2
+#include "esp32c2/rom/spi_flash.h"
+#define ESP_FLASH_IMAGE_BASE 0x0000     // Esp32c2 is located at 0x0000
 #elif CONFIG_IDF_TARGET_ESP32C3
 #include "esp32c3/rom/spi_flash.h"
 #define ESP_FLASH_IMAGE_BASE 0x0000     // Esp32c3 is located at 0x0000
diff --git a/cores/esp32/HardwareSerial.cpp b/cores/esp32/HardwareSerial.cpp
index f7d6ea7619f..556f1ffb49f 100644
--- a/cores/esp32/HardwareSerial.cpp
+++ b/cores/esp32/HardwareSerial.cpp
@@ -26,6 +26,8 @@
 #define SOC_RX0 3
 #elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
 #define SOC_RX0 44
+#elif CONFIG_IDF_TARGET_ESP32C2
+#define SOC_RX0 19
 #elif CONFIG_IDF_TARGET_ESP32C3
 #define SOC_RX0 20
 #elif CONFIG_IDF_TARGET_ESP32C6
@@ -40,6 +42,8 @@
 #define SOC_TX0 1
 #elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
 #define SOC_TX0 43
+#elif CONFIG_IDF_TARGET_ESP32C2
+#define SOC_TX0 20
 #elif CONFIG_IDF_TARGET_ESP32C3
 #define SOC_TX0 21
 #elif CONFIG_IDF_TARGET_ESP32C6
@@ -59,6 +63,8 @@ void serialEvent(void) {}
 #define RX1 9
 #elif CONFIG_IDF_TARGET_ESP32S2
 #define RX1 18
+#elif CONFIG_IDF_TARGET_ESP32C2
+#define RX1 9
 #elif CONFIG_IDF_TARGET_ESP32C3
 #define RX1 18
 #elif CONFIG_IDF_TARGET_ESP32S3
@@ -75,6 +81,8 @@ void serialEvent(void) {}
 #define TX1 10
 #elif CONFIG_IDF_TARGET_ESP32S2
 #define TX1 17
+#elif CONFIG_IDF_TARGET_ESP32C2
+#define TX1 10
 #elif CONFIG_IDF_TARGET_ESP32C3
 #define TX1 19
 #elif CONFIG_IDF_TARGET_ESP32S3
diff --git a/cores/esp32/esp32-hal-adc.c b/cores/esp32/esp32-hal-adc.c
index b53eb868d3d..a8cdd962cf0 100644
--- a/cores/esp32/esp32-hal-adc.c
+++ b/cores/esp32/esp32-hal-adc.c
@@ -91,7 +91,7 @@ esp_err_t __analogChannelConfig(adc_bitwidth_t width, adc_attenuation_t atten, i
                             log_e("adc_cali_create_scheme_curve_fitting failed with error: %d", err);
                             return err;
                         }
-                    #elif !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2) //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
+                    #elif !defined(CONFIG_IDF_TARGET_ESP32C2) && !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2) //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
                         log_d("Deleting ADC_UNIT_%d line cali handle",adc_unit);
                         err = adc_cali_delete_scheme_line_fitting(adc_cali_handle[adc_unit]);
                         if(err != ESP_OK){
@@ -278,7 +278,7 @@ uint32_t __analogReadMilliVolts(uint8_t pin){
                 .bitwidth = __analogWidth,
             };
             err = adc_cali_create_scheme_curve_fitting(&cali_config, &adc_cali_handle[adc_unit]);
-        #elif !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2) //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
+        #elif !defined(CONFIG_IDF_TARGET_ESP32C2) && !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2) //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
             adc_cali_line_fitting_config_t cali_config = {
                 .unit_id = adc_unit,
                 .bitwidth = __analogWidth,
diff --git a/cores/esp32/esp32-hal-cpu.c b/cores/esp32/esp32-hal-cpu.c
index 915a3211d7a..e6ea4de8d25 100644
--- a/cores/esp32/esp32-hal-cpu.c
+++ b/cores/esp32/esp32-hal-cpu.c
@@ -19,7 +19,7 @@
 #include "esp_attr.h"
 #include "esp_log.h"
 #include "soc/rtc.h"
-#if !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2)
+#if !defined(CONFIG_IDF_TARGET_ESP32C2) && !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2)
 #include "soc/rtc_cntl_reg.h"
 #include "soc/apb_ctrl_reg.h"
 #endif
@@ -38,6 +38,8 @@
 #elif CONFIG_IDF_TARGET_ESP32S3
 #include "freertos/xtensa_timer.h"
 #include "esp32s3/rom/rtc.h"
+#elif CONFIG_IDF_TARGET_ESP32C2
+#include "esp32c2/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32C3
 #include "esp32c3/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32C6
@@ -153,7 +155,7 @@ bool removeApbChangeCallback(void * arg, apb_change_cb_t cb){
 }
 
 static uint32_t calculateApb(rtc_cpu_freq_config_t * conf){
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32H2
 	return APB_CLK_FREQ;
 #else
     if(conf->freq_mhz >= 80){
@@ -228,7 +230,7 @@ bool setCpuFrequencyMhz(uint32_t cpu_freq_mhz){
     }
     //Make the frequency change
     rtc_clk_cpu_freq_set_config_fast(&conf);
-#if !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2)
+#if !defined(CONFIG_IDF_TARGET_ESP32C2) && !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2)
     if(capb != apb){
         //Update REF_TICK (uncomment if REF_TICK is different than 1MHz)
         //if(conf.freq_mhz < 80){
@@ -241,7 +243,7 @@ bool setCpuFrequencyMhz(uint32_t cpu_freq_mhz){
     }
 #endif
     //Update FreeRTOS Tick Divisor
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
 
 #elif CONFIG_IDF_TARGET_ESP32S3
 
diff --git a/cores/esp32/esp32-hal-i2c-slave.c b/cores/esp32/esp32-hal-i2c-slave.c
index 10629e48f28..5151b38cd2d 100644
--- a/cores/esp32/esp32-hal-i2c-slave.c
+++ b/cores/esp32/esp32-hal-i2c-slave.c
@@ -168,7 +168,7 @@ static inline void i2c_ll_stretch_clr(i2c_dev_t *hw)
 
 static inline bool i2c_ll_slave_addressed(i2c_dev_t *hw)
 {
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32H2
     return hw->sr.slave_addressed;
 #else
     return hw->status_reg.slave_addressed;
@@ -177,7 +177,7 @@ static inline bool i2c_ll_slave_addressed(i2c_dev_t *hw)
 
 static inline bool i2c_ll_slave_rw(i2c_dev_t *hw)//not exposed by hal_ll
 {
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32H2
     return hw->sr.slave_rw;
 #else
     return hw->status_reg.slave_rw;
diff --git a/cores/esp32/esp32-hal-matrix.c b/cores/esp32/esp32-hal-matrix.c
index 8f2f7d88903..9174ae373ca 100644
--- a/cores/esp32/esp32-hal-matrix.c
+++ b/cores/esp32/esp32-hal-matrix.c
@@ -24,6 +24,8 @@
 #include "esp32s2/rom/gpio.h"
 #elif CONFIG_IDF_TARGET_ESP32S3
 #include "esp32s3/rom/gpio.h"
+#elif CONFIG_IDF_TARGET_ESP32C2
+#include "esp32c2/rom/gpio.h"
 #elif CONFIG_IDF_TARGET_ESP32C3
 #include "esp32c3/rom/gpio.h"
 #elif CONFIG_IDF_TARGET_ESP32C6
diff --git a/cores/esp32/esp32-hal-misc.c b/cores/esp32/esp32-hal-misc.c
index 637879236db..8928d341488 100644
--- a/cores/esp32/esp32-hal-misc.c
+++ b/cores/esp32/esp32-hal-misc.c
@@ -29,7 +29,7 @@
 #endif //CONFIG_BT_ENABLED
 #include <sys/time.h>
 #include "soc/rtc.h"
-#if !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2)
+#if !defined(CONFIG_IDF_TARGET_ESP32C2) && !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(CONFIG_IDF_TARGET_ESP32H2)
 #include "soc/rtc_cntl_reg.h"
 #include "soc/apb_ctrl_reg.h"
 #endif
@@ -45,6 +45,8 @@
 #include "esp32s2/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32S3
 #include "esp32s3/rom/rtc.h"
+#elif CONFIG_IDF_TARGET_ESP32C2
+#include "esp32c2/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32C3
 #include "esp32c3/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32C6
diff --git a/cores/esp32/esp32-hal-rgb-led.c b/cores/esp32/esp32-hal-rgb-led.c
index c74c812f3bb..6657c06bda1 100644
--- a/cores/esp32/esp32-hal-rgb-led.c
+++ b/cores/esp32/esp32-hal-rgb-led.c
@@ -1,3 +1,6 @@
+#include "soc/soc_caps.h"
+#if SOC_RMT_SUPPORTED
+
 #include "esp32-hal-rgb-led.h"
 
 
@@ -42,3 +45,5 @@ void neopixelWrite(uint8_t pin, uint8_t red_val, uint8_t green_val, uint8_t blue
   }
   rmtWrite(_pin, led_data, RMT_SYMBOLS_OF(led_data), RMT_WAIT_FOR_EVER);
 }
+
+#endif /* SOC_RMT_SUPPORTED */
\ No newline at end of file
diff --git a/cores/esp32/esp32-hal-spi.c b/cores/esp32/esp32-hal-spi.c
index a850e5ea317..784d21d581f 100644
--- a/cores/esp32/esp32-hal-spi.c
+++ b/cores/esp32/esp32-hal-spi.c
@@ -43,6 +43,9 @@
 #include "soc/dport_reg.h"
 #include "esp32s3/rom/ets_sys.h"
 #include "esp32s3/rom/gpio.h"
+#elif CONFIG_IDF_TARGET_ESP32C2
+#include "esp32c2/rom/ets_sys.h"
+#include "esp32c2/rom/gpio.h"
 #elif CONFIG_IDF_TARGET_ESP32C3
 #include "esp32c3/rom/ets_sys.h"
 #include "esp32c3/rom/gpio.h"
@@ -93,7 +96,7 @@ struct spi_struct_t {
 #define SPI_FSPI_SS_IDX(n)  ((n==0)?FSPICS0_OUT_IDX:((n==1)?FSPICS1_OUT_IDX:0))
 #define SPI_SS_IDX(p, n)    ((p==0)?SPI_FSPI_SS_IDX(n):((p==1)?SPI_HSPI_SS_IDX(n):0))
 
-#elif CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
 // ESP32C3
 #define SPI_COUNT           (1)
 
@@ -131,6 +134,8 @@ static spi_t _spi_bus_array[] = {
 #elif CONFIG_IDF_TARGET_ESP32S3
     {(volatile spi_dev_t *)(DR_REG_SPI2_BASE), 0, -1, -1, -1, -1},
     {(volatile spi_dev_t *)(DR_REG_SPI3_BASE), 1, -1, -1, -1, -1}
+#elif CONFIG_IDF_TARGET_ESP32C2
+    {(volatile spi_dev_t *)(DR_REG_SPI2_BASE), 0, -1, -1, -1, -1}
 #elif CONFIG_IDF_TARGET_ESP32C3
     {(volatile spi_dev_t *)(DR_REG_SPI2_BASE), 0, -1, -1, -1, -1}
 #elif CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
@@ -154,6 +159,8 @@ static spi_t _spi_bus_array[] = {
 #elif CONFIG_IDF_TARGET_ESP32S3
     {(volatile spi_dev_t *)(DR_REG_SPI2_BASE), NULL, 0, -1, -1, -1, -1},
     {(volatile spi_dev_t *)(DR_REG_SPI3_BASE), NULL, 1, -1, -1, -1, -1}
+#elif CONFIG_IDF_TARGET_ESP32C2
+    {(volatile spi_dev_t *)(DR_REG_SPI2_BASE), NULL, 0, -1, -1, -1, -1}
 #elif CONFIG_IDF_TARGET_ESP32C3
     {(volatile spi_dev_t *)(DR_REG_SPI2_BASE), NULL, 0, -1, -1, -1, -1}
 #elif CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
@@ -333,7 +340,7 @@ void spiEnableSSPins(spi_t * spi, uint8_t cs_mask)
         return;
     }
     SPI_MUTEX_LOCK();
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->misc.val &= ~(cs_mask & SPI_CS_MASK_ALL);
 #else
     spi->dev->pin.val &= ~(cs_mask & SPI_CS_MASK_ALL);
@@ -347,7 +354,7 @@ void spiDisableSSPins(spi_t * spi, uint8_t cs_mask)
         return;
     }
     SPI_MUTEX_LOCK();
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->misc.val |= (cs_mask & SPI_CS_MASK_ALL);
 #else
     spi->dev->pin.val |= (cs_mask & SPI_CS_MASK_ALL);
@@ -383,7 +390,7 @@ void spiSSSet(spi_t * spi)
         return;
     }
     SPI_MUTEX_LOCK();
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->misc.cs_keep_active = 1;
 #else
     spi->dev->pin.cs_keep_active = 1;
@@ -397,7 +404,7 @@ void spiSSClear(spi_t * spi)
         return;
     }
     SPI_MUTEX_LOCK();
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->misc.cs_keep_active = 0;
 #else
     spi->dev->pin.cs_keep_active = 0;
@@ -428,7 +435,7 @@ uint8_t spiGetDataMode(spi_t * spi)
     if(!spi) {
         return 0;
     }
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     bool idleEdge = spi->dev->misc.ck_idle_edge;
 #else
     bool idleEdge = spi->dev->pin.ck_idle_edge;
@@ -454,7 +461,7 @@ void spiSetDataMode(spi_t * spi, uint8_t dataMode)
     SPI_MUTEX_LOCK();
     switch (dataMode) {
     case SPI_MODE1:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 0;
 #else
         spi->dev->pin.ck_idle_edge = 0;
@@ -462,7 +469,7 @@ void spiSetDataMode(spi_t * spi, uint8_t dataMode)
         spi->dev->user.ck_out_edge = 1;
         break;
     case SPI_MODE2:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 1;
 #else
         spi->dev->pin.ck_idle_edge = 1;
@@ -470,7 +477,7 @@ void spiSetDataMode(spi_t * spi, uint8_t dataMode)
         spi->dev->user.ck_out_edge = 1;
         break;
     case SPI_MODE3:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 1;
 #else
         spi->dev->pin.ck_idle_edge = 1;
@@ -479,7 +486,7 @@ void spiSetDataMode(spi_t * spi, uint8_t dataMode)
         break;
     case SPI_MODE0:
     default:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 0;
 #else
         spi->dev->pin.ck_idle_edge = 0;
@@ -532,7 +539,7 @@ static void spiInitBus(spi_t * spi)
     spi->dev->slave.trans_done = 0;
 #endif
     spi->dev->slave.val = 0;
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->misc.val = 0;
 #else
     spi->dev->pin.val = 0;
@@ -613,14 +620,14 @@ spi_t * spiStartBus(uint8_t spi_num, uint32_t clockDiv, uint8_t dataMode, uint8_
         DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_SPI01_CLK_EN);
         DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_SPI01_RST);
     }
-#elif CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     periph_ll_reset( PERIPH_SPI2_MODULE );
     periph_ll_enable_clk_clear_rst( PERIPH_SPI2_MODULE );
 #endif
 
     SPI_MUTEX_LOCK();
     spiInitBus(spi);
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->clk_gate.clk_en = 1;
     spi->dev->clk_gate.mst_clk_sel = 1;
     spi->dev->clk_gate.mst_clk_active = 1;
@@ -663,7 +670,7 @@ void spiWaitReady(spi_t * spi)
 #if CONFIG_IDF_TARGET_ESP32S2
 #define usr_mosi_dbitlen usr_mosi_bit_len
 #define usr_miso_dbitlen usr_miso_bit_len
-#elif CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
 #define usr_mosi_dbitlen ms_data_bitlen
 #define usr_miso_dbitlen ms_data_bitlen
 #define mosi_dlen ms_dlen
@@ -691,7 +698,7 @@ void spiWrite(spi_t * spi, const uint32_t *data, uint8_t len)
         spi->dev->data_buf[i] = data[i];
 #endif
     }
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -719,7 +726,7 @@ void spiTransfer(spi_t * spi, uint32_t *data, uint8_t len)
         spi->dev->data_buf[i] = data[i];
 #endif
     }
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -751,7 +758,7 @@ void spiWriteByte(spi_t * spi, uint8_t data)
     spi->dev->data_buf[0] = data;
 #endif
 
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -773,7 +780,7 @@ uint8_t spiTransferByte(spi_t * spi, uint8_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -816,7 +823,7 @@ void spiWriteWord(spi_t * spi, uint16_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -841,7 +848,7 @@ uint16_t spiTransferWord(spi_t * spi, uint16_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -877,7 +884,7 @@ void spiWriteLong(spi_t * spi, uint32_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -902,7 +909,7 @@ uint32_t spiTransferLong(spi_t * spi, uint32_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -953,7 +960,7 @@ static void __spiTransferBytes(spi_t * spi, const uint8_t * data, uint8_t * out,
     #endif
     }
 
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1025,7 +1032,7 @@ void spiTransaction(spi_t * spi, uint32_t clockDiv, uint8_t dataMode, uint8_t bi
     spi->dev->clock.val = clockDiv;
     switch (dataMode) {
     case SPI_MODE1:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 0;
 #else
         spi->dev->pin.ck_idle_edge = 0;
@@ -1033,7 +1040,7 @@ void spiTransaction(spi_t * spi, uint32_t clockDiv, uint8_t dataMode, uint8_t bi
         spi->dev->user.ck_out_edge = 1;
         break;
     case SPI_MODE2:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 1;
 #else
         spi->dev->pin.ck_idle_edge = 1;
@@ -1041,7 +1048,7 @@ void spiTransaction(spi_t * spi, uint32_t clockDiv, uint8_t dataMode, uint8_t bi
         spi->dev->user.ck_out_edge = 1;
         break;
     case SPI_MODE3:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 1;
 #else
         spi->dev->pin.ck_idle_edge = 1;
@@ -1050,7 +1057,7 @@ void spiTransaction(spi_t * spi, uint32_t clockDiv, uint8_t dataMode, uint8_t bi
         break;
     case SPI_MODE0:
     default:
-#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->misc.ck_idle_edge = 0;
 #else
         spi->dev->pin.ck_idle_edge = 0;
@@ -1097,7 +1104,7 @@ void ARDUINO_ISR_ATTR spiWriteByteNL(spi_t * spi, uint8_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1117,7 +1124,7 @@ uint8_t spiTransferByteNL(spi_t * spi, uint8_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1148,7 +1155,7 @@ void ARDUINO_ISR_ATTR spiWriteShortNL(spi_t * spi, uint16_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1171,7 +1178,7 @@ uint16_t spiTransferShortNL(spi_t * spi, uint16_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1205,7 +1212,7 @@ void ARDUINO_ISR_ATTR spiWriteLongNL(spi_t * spi, uint32_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1228,7 +1235,7 @@ uint32_t spiTransferLongNL(spi_t * spi, uint32_t data)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1271,7 +1278,7 @@ void spiWriteNL(spi_t * spi, const void * data_in, uint32_t len){
             spi->dev->data_buf[i] = data[i];
         #endif
         }
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->cmd.update = 1;
         while (spi->dev->cmd.update);
 #endif
@@ -1319,7 +1326,7 @@ void spiTransferBytesNL(spi_t * spi, const void * data_in, uint8_t * data_out, u
             #endif
             }
         }
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->cmd.update = 1;
         while (spi->dev->cmd.update);
 #endif
@@ -1394,7 +1401,7 @@ void spiTransferBitsNL(spi_t * spi, uint32_t data, uint32_t * out, uint8_t bits)
 #else
     spi->dev->data_buf[0] = data;
 #endif
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     spi->dev->cmd.update = 1;
     while (spi->dev->cmd.update);
 #endif
@@ -1468,7 +1475,7 @@ void ARDUINO_ISR_ATTR spiWritePixelsNL(spi_t * spi, const void * data_in, uint32
             #endif
             }
         }
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         spi->dev->cmd.update = 1;
         while (spi->dev->cmd.update);
 #endif
@@ -1494,7 +1501,7 @@ typedef union {
             uint32_t clkcnt_l:       6;                     /*it must be equal to spi_clkcnt_N.*/
             uint32_t clkcnt_h:       6;                     /*it must be floor((spi_clkcnt_N+1)/2-1).*/
             uint32_t clkcnt_n:       6;                     /*it is the divider of spi_clk. So spi_clk frequency is system/(spi_clkdiv_pre+1)/(spi_clkcnt_N+1)*/
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
             uint32_t clkdiv_pre:     4;                     /*it is pre-divider of spi_clk.*/
             uint32_t reserved:       9;  					/*reserved*/
 #else
@@ -1541,7 +1548,7 @@ uint32_t spiFrequencyToClockDiv(uint32_t freq)
 
         while(calPreVari++ <= 1) {
             calPre = (((apb_freq / (reg.clkcnt_n + 1)) / freq) - 1) + calPreVari;
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
             if(calPre > 0xF) {
                 reg.clkdiv_pre = 0xF;
 #else
diff --git a/cores/esp32/esp32-hal-uart.c b/cores/esp32/esp32-hal-uart.c
index 149c8c40dcd..5d949e4b56e 100644
--- a/cores/esp32/esp32-hal-uart.c
+++ b/cores/esp32/esp32-hal-uart.c
@@ -778,7 +778,7 @@ void uartStartDetectBaudrate(uart_t *uart) {
         return;
     }
 
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     
     // ESP32-C3 requires further testing
     // Baud rate detection returns wrong values 
@@ -849,7 +849,7 @@ uartDetectBaudrate(uart_t *uart)
 
     return default_rates[i];
 #else
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
     log_e("ESP32-C3 baud rate detection is not supported.");
 #else
     log_e("ESP32-S3 baud rate detection is not supported.");
diff --git a/idf_component.yml b/idf_component.yml
index 5418fe0ab00..8d2670cf6eb 100644
--- a/idf_component.yml
+++ b/idf_component.yml
@@ -4,6 +4,7 @@ targets:
   - esp32
   - esp32s2
   - esp32s3
+  - esp32c2
   - esp32c3
   - esp32c6
   - esp32h2
@@ -15,6 +16,7 @@ files:
     - "variants/esp32/**/*"
     - "variants/esp32s2/**/*"
     - "variants/esp32s3/**/*"
+    - "variants/esp32c2/**/*"
     - "variants/esp32c3/**/*"
     - "variants/esp32c6/**/*"
     - "variants/esp32h2/**/*"
diff --git a/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino b/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino
index c2d8a18ded1..f54a140a939 100644
--- a/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino
+++ b/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino
@@ -21,7 +21,7 @@
  * 
  */
 
-#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#if CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
 // ESP32 C3 has only 2 channels for RX and 2 for TX, thus MAX RMT_MEM is 128
 #define RMT_TX_PIN 4
 #define RMT_RX_PIN 5
diff --git a/libraries/ESP32/examples/ResetReason/ResetReason.ino b/libraries/ESP32/examples/ResetReason/ResetReason.ino
index 4c3243de84a..476178420c6 100644
--- a/libraries/ESP32/examples/ResetReason/ResetReason.ino
+++ b/libraries/ESP32/examples/ResetReason/ResetReason.ino
@@ -16,6 +16,8 @@
 #include "esp32/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32S2
 #include "esp32s2/rom/rtc.h"
+#elif CONFIG_IDF_TARGET_ESP32C2
+#include "esp32c2/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32C3
 #include "esp32c3/rom/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32S3
diff --git a/libraries/SPI/src/SPI.cpp b/libraries/SPI/src/SPI.cpp
index dbea4f8e6e3..64607184e2c 100644
--- a/libraries/SPI/src/SPI.cpp
+++ b/libraries/SPI/src/SPI.cpp
@@ -90,7 +90,7 @@ void SPIClass::begin(int8_t sck, int8_t miso, int8_t mosi, int8_t ss)
         _miso = (_spi_num == FSPI) ? MISO : -1;
         _mosi = (_spi_num == FSPI) ? MOSI : -1;
         _ss = (_spi_num == FSPI) ? SS : -1;
-#elif CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
+#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
         _sck = SCK;
         _miso = MISO;
         _mosi = MOSI;
diff --git a/libraries/Wire/src/Wire.cpp b/libraries/Wire/src/Wire.cpp
index 2568e3c9413..15c70ed4ff5 100644
--- a/libraries/Wire/src/Wire.cpp
+++ b/libraries/Wire/src/Wire.cpp
@@ -53,9 +53,11 @@ TwoWire::TwoWire(uint8_t bus_num)
     ,nonStopTask(NULL)
     ,lock(NULL)
 #endif
+#if SOC_I2C_SUPPORT_SLAVE
     ,is_slave(false)
     ,user_onRequest(NULL)
     ,user_onReceive(NULL)
+#endif
 {}
 
 TwoWire::~TwoWire()
@@ -338,10 +340,12 @@ bool TwoWire::end()
         }
 #endif
         if(is_slave){
+#if SOC_I2C_SUPPORT_SLAVE
             err = i2cSlaveDeinit(num);
             if(err == ESP_OK){
                 is_slave = false;
             }
+#endif
         } else if(i2cIsInit(num)){
             err = i2cDeinit(num);
         }
@@ -704,4 +708,4 @@ void TwoWire::onRequest( void (*function)(void) )
 TwoWire Wire = TwoWire(0);
 TwoWire Wire1 = TwoWire(1);
 
-#endif /* SOC_I2C_SUPPORTED */
+#endif /* SOC_I2C_SUPPORTED */
\ No newline at end of file
diff --git a/variants/esp32c2/pins_arduino.h b/variants/esp32c2/pins_arduino.h
new file mode 100644
index 00000000000..94e5ac82388
--- /dev/null
+++ b/variants/esp32c2/pins_arduino.h
@@ -0,0 +1,38 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+#include "soc/soc_caps.h"
+
+#define EXTERNAL_NUM_INTERRUPTS 14
+#define NUM_DIGITAL_PINS        14
+#define NUM_ANALOG_INPUTS       4
+
+static const uint8_t LED_BUILTIN = SOC_GPIO_PIN_COUNT+8;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+#define LED_BUILTIN LED_BUILTIN
+#define RGB_BUILTIN LED_BUILTIN
+#define RGB_BRIGHTNESS 64
+
+#define analogInputToDigitalPin(p)  (((p)<NUM_ANALOG_INPUTS)?(analogChannelToDigitalPin(p)):-1)
+#define digitalPinToInterrupt(p)    (((p)<NUM_DIGITAL_PINS)?(p):-1)
+#define digitalPinHasPWM(p)         (p < EXTERNAL_NUM_INTERRUPTS)
+
+static const uint8_t TX = 20;
+static const uint8_t RX = 19;
+
+static const uint8_t SDA = 8;
+static const uint8_t SCL = 9;
+
+static const uint8_t SS    = 4;
+static const uint8_t MOSI  = 7;
+static const uint8_t MISO  = 5;
+static const uint8_t SCK   = 6;
+
+static const uint8_t A0 = 1;
+static const uint8_t A1 = 2;
+static const uint8_t A2 = 3;
+static const uint8_t A3 = 4;
+static const uint8_t A4 = 5;
+
+#endif /* Pins_Arduino_h */