fix(i2c): Use hardware fsm reset on esp32c6/h2/p4

components/esp_driver_i2c/i2c_master.c

@@ -42,7 +42,7 @@ static const char *TAG = "i2c.master";
 
 static esp_err_t s_i2c_master_clear_bus(i2c_bus_handle_t handle)
 {
-#if !SOC_I2C_SUPPORT_HW_FSM_RST
+#if !SOC_I2C_SUPPORT_HW_CLR_BUS
     const int scl_half_period = 5; // use standard 100kHz data rate
     int i = 0;
     gpio_set_direction(handle->scl_num, GPIO_MODE_OUTPUT_OD);
@@ -83,6 +83,7 @@ static esp_err_t s_i2c_master_clear_bus(i2c_bus_handle_t handle)
 static esp_err_t s_i2c_hw_fsm_reset(i2c_master_bus_handle_t i2c_master)
 {
     i2c_hal_context_t *hal = &i2c_master->base->hal;
+#if !SOC_I2C_SUPPORT_HW_FSM_RST
     i2c_hal_timing_config_t timing_config;
     uint8_t filter_cfg;
 
@@ -99,6 +100,10 @@ static esp_err_t s_i2c_hw_fsm_reset(i2c_master_bus_handle_t i2c_master)
     i2c_ll_clear_intr_mask(hal->dev, I2C_LL_INTR_MASK);
     i2c_hal_set_timing_config(hal, &timing_config);
     i2c_ll_master_set_filter(hal->dev, filter_cfg);
+#else
+    i2c_ll_master_fsm_rst(hal->dev);
+    s_i2c_master_clear_bus(i2c_master->base);
+#endif
     return ESP_OK;
 }
 

components/soc/esp32c6/include/soc/Kconfig.soc_caps.in

@@ -535,6 +535,10 @@ config SOC_I2C_SUPPORT_SLAVE
     bool
     default y
 
+config SOC_I2C_SUPPORT_HW_FSM_RST
+    bool
+    default y
+
 config SOC_I2C_SUPPORT_HW_CLR_BUS
     bool
     default y

components/soc/esp32c6/include/soc/soc_caps.h

@@ -230,7 +230,7 @@
 #define SOC_I2C_CMD_REG_NUM         (8)  /*!< Number of I2C command registers */
 #define SOC_I2C_SUPPORT_SLAVE       (1)
 
-// FSM_RST only resets the FSM, not using it. So SOC_I2C_SUPPORT_HW_FSM_RST not defined.
+#define SOC_I2C_SUPPORT_HW_FSM_RST  (1)
 #define SOC_I2C_SUPPORT_HW_CLR_BUS  (1)
 
 #define SOC_I2C_SUPPORT_XTAL        (1)

components/soc/esp32h2/include/soc/Kconfig.soc_caps.in

@@ -535,6 +535,10 @@ config SOC_I2C_SUPPORT_SLAVE
     bool
     default y
 
+config SOC_I2C_SUPPORT_HW_FSM_RST
+    bool
+    default y
+
 config SOC_I2C_SUPPORT_HW_CLR_BUS
     bool
     default y

components/soc/esp32h2/include/soc/soc_caps.h

@@ -234,7 +234,7 @@
 #define SOC_I2C_CMD_REG_NUM         (8)  /*!< Number of I2C command registers */
 #define SOC_I2C_SUPPORT_SLAVE       (1)
 
-// FSM_RST only resets the FSM, not using it. So SOC_I2C_SUPPORT_HW_FSM_RST not defined.
+#define SOC_I2C_SUPPORT_HW_FSM_RST  (1)
 #define SOC_I2C_SUPPORT_HW_CLR_BUS  (1)
 
 #define SOC_I2C_SUPPORT_XTAL        (1)

components/soc/esp32p4/include/soc/Kconfig.soc_caps.in

@@ -519,6 +519,10 @@ config SOC_I2C_SUPPORT_SLAVE
     bool
     default y
 
+config SOC_I2C_SUPPORT_HW_FSM_RST
+    bool
+    default y
+
 config SOC_I2C_SUPPORT_HW_CLR_BUS
     bool
     default y

components/soc/esp32p4/include/soc/soc_caps.h

@@ -244,7 +244,7 @@
 #define SOC_I2C_CMD_REG_NUM         (8)  /*!< Number of I2C command registers */
 #define SOC_I2C_SUPPORT_SLAVE       (1)
 
-// FSM_RST only resets the FSM, not using it. So SOC_I2C_SUPPORT_HW_FSM_RST not defined.
+#define SOC_I2C_SUPPORT_HW_FSM_RST  (1)
 #define SOC_I2C_SUPPORT_HW_CLR_BUS  (1)
 
 #define SOC_I2C_SUPPORT_XTAL        (1)