feat(uhci): Add uhci (uart-dma) support on esp32c3, esp32c6, esp32s3, esp32p4

components/hal/include/hal/uhci_hal.h

@@ -0,0 +1,59 @@
+/*
+ * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*******************************************************************************
+ * NOTICE
+ * The hal is not public api, don't use in application code.
+ * See readme.md in hal/readme.md
+ ******************************************************************************/
+
+// The HAL layer for UHCI.
+// There is no parameter check in the hal layer, so the caller must ensure the correctness of the parameters.
+
+#pragma once
+
+#include "hal/uhci_types.h"
+#include "soc/soc_caps.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if SOC_UHCI_SUPPORTED
+typedef struct uhci_dev_t *uhci_soc_handle_t; // UHCI SOC layer handle
+
+/**
+ * Context that should be maintained by both the driver and the HAL
+ */
+typedef struct {
+    uhci_soc_handle_t dev;
+} uhci_hal_context_t;
+
+/**
+ * @brief  Init UHCI hardware instance.
+ *
+ * @param  hal Context of the HAL layer
+ * @param  uhci_num UHCI number
+ *
+ * @return None
+ */
+void uhci_hal_init(uhci_hal_context_t *hal, int uhci_num);
+
+/**
+ * @brief  Deinit UHCI hardware instance.
+ *
+ * @param  hal Context of the HAL layer
+ * @param  uhci_num UHCI number
+ *
+ * @return None
+ */
+void uhci_hal_deinit(uhci_hal_context_t *hal);
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif

components/hal/include/hal/uhci_types.h

@@ -1,14 +1,9 @@
 /*
- * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
-
-
-// Though the UHCI driver hasn't been published, some types are defined here
-// for users to develop over the HAL. See example: controller_hci_uart_esp32c3
-
 #pragma once
 
 #include <stdint.h>