test(i2c): Support test for esp32p4 lp i2c

Author: mythbuster5

components/esp_driver_i2c/i2c_common.c

@@ -351,8 +351,8 @@ static esp_err_t s_lp_i2c_pins_config(i2c_bus_handle_t handle)
 #if !SOC_LP_GPIO_MATRIX_SUPPORTED
     rtc_gpio_iomux_func_sel(handle->sda_num, i2c_periph_signal[port_id].iomux_func);
 #else
-    lp_gpio_connect_out_signal(handle->sda_num, i2c_periph_signal[port_id].scl_out_sig, 0, 0);
-    lp_gpio_connect_in_signal(handle->sda_num, i2c_periph_signal[port_id].scl_in_sig, 0);
+    lp_gpio_connect_out_signal(handle->sda_num, i2c_periph_signal[port_id].sda_out_sig, 0, 0);
+    lp_gpio_connect_in_signal(handle->sda_num, i2c_periph_signal[port_id].sda_in_sig, 0);
 #endif
 
     rtc_gpio_init(handle->scl_num);
@@ -366,8 +366,8 @@ static esp_err_t s_lp_i2c_pins_config(i2c_bus_handle_t handle)
 #if !SOC_LP_GPIO_MATRIX_SUPPORTED
     rtc_gpio_iomux_func_sel(handle->scl_num, i2c_periph_signal[port_id].iomux_func);
 #else
-    lp_gpio_connect_out_signal(handle->scl_num, i2c_periph_signal[port_id].sda_out_sig, 0, 0);
-    lp_gpio_connect_in_signal(handle->scl_num, i2c_periph_signal[port_id].sda_in_sig, 0);
+    lp_gpio_connect_out_signal(handle->scl_num, i2c_periph_signal[port_id].scl_out_sig, 0, 0);
+    lp_gpio_connect_in_signal(handle->scl_num, i2c_periph_signal[port_id].scl_in_sig, 0);
 #endif
 
     return ESP_OK;

components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_board.h

@@ -26,9 +26,14 @@ extern "C" {
 #endif
 
 #if SOC_LP_I2C_SUPPORTED
+#if CONFIG_IDF_TARGET_ESP32P4
+#define LP_I2C_SCL_IO   4
+#define LP_I2C_SDA_IO   5
+#else
 #define LP_I2C_SCL_IO   7
 #define LP_I2C_SDA_IO   6
 #endif
+#endif
 
 #define ESP_SLAVE_ADDR 0x28         /*!< ESP_I2C slave address, you can set any 7bit value */
 #define TEST_I2C_PORT     0