add support for renesas ra family of mcus

Signed-off-by: Rafael Silva <rafaelsilva@ajtec.pt>

src/common/tusb_mcu.h

@@ -236,7 +236,7 @@
   #define TUP_DCD_ENDPOINT_MAX    7
 
 //------------- Renesas -------------//
-#elif TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N)
+#elif TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N, OPT_MCU_RAXXX)
   #define TUP_DCD_ENDPOINT_MAX    10
 
 //------------- GigaDevice -------------//

src/portable/renesas/link/dcd_link.c

@@ -31,13 +31,16 @@
 // We disable SOF for now until needed later on
 #define USE_SOF     0
 
-#if CFG_TUD_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RX63X || CFG_TUSB_MCU == OPT_MCU_RX65X || CFG_TUSB_MCU == OPT_MCU_RX72N)
+#if CFG_TUD_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RX63X || CFG_TUSB_MCU == OPT_MCU_RX65X || CFG_TUSB_MCU == OPT_MCU_RX72N || \
+			CFG_TUSB_MCU == OPT_MCU_RAXXX)
 
 #include "device/dcd.h"
 #include "link_type.h"
 
 #if TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N)
 #include "link_rx.h"
+#elif TU_CHECK_MCU(OPT_MCU_RAXXX)
+#include "link_ra.h"
 #else
 #error "Unsupported MCU"
 #endif

src/portable/renesas/link/hcd_link.c

@@ -27,13 +27,16 @@
 
 #include "tusb_option.h"
 
-#if CFG_TUD_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RX63X || CFG_TUSB_MCU == OPT_MCU_RX65X || CFG_TUSB_MCU == OPT_MCU_RX72N)
+#if CFG_TUD_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RX63X || CFG_TUSB_MCU == OPT_MCU_RX65X || CFG_TUSB_MCU == OPT_MCU_RX72N || \
+			CFG_TUSB_MCU == OPT_MCU_RAXXX)
 
 #include "host/hcd.h"
 #include "link_type.h"
 
 #if TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N)
 #include "link_rx.h"
+#elif TU_CHECK_MCU(OPT_MCU_RAXXX)
+#include "link_ra.h"
 #else
 #error "Unsupported MCU"
 #endif

src/portable/renesas/link/link_ra.h

@@ -0,0 +1,64 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Rafael Silva (@perigoso)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef _LINK_RA_H_
+#define _LINK_RA_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "link_type.h"
+
+/* renesas fsp api */
+#include "bsp_api.h"
+
+#define LINK_REG_BASE (0x40090000)
+
+TU_ATTR_ALWAYS_INLINE
+static inline void link_int_enable(uint8_t rhport)
+{
+	(void) rhport;
+	NVIC_EnableIRQ(TU_IRQn);
+}
+
+TU_ATTR_ALWAYS_INLINE
+static inline void link_int_disable(uint8_t rhport)
+{
+	(void) rhport;
+	NVIC_DisableIRQ(TU_IRQn);
+}
+
+// MCU specific PHY init
+static inline void link_phy_init(void)
+{
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LINK_RA_H_ */

src/tusb_option.h

@@ -127,6 +127,8 @@ typedef int make_iso_compilers_happy ;
 #define OPT_MCU_RX63X            1400 ///< Renesas RX63N/631
 #define OPT_MCU_RX65X            1401 ///< Renesas RX65N/RX651
 #define OPT_MCU_RX72N            1402 ///< Renesas RX72N
+#define OPT_MCU_RAXXX            1403 ///< Renesas RAxxx families
+
 
 // Mind Motion
 #define OPT_MCU_MM32F327X        1500 ///< Mind Motion MM32F327