Merge branch 'feature/twai_bringup_esp32c6' into 'master'

TWAI: initial driver bring up on esp32c6 (TWAI0 only)

Closes IDF-5313 and IDF-5940

See merge request espressif/esp-idf!20735

components/soc/esp32c3/include/soc/Kconfig.soc_caps.in

@@ -679,6 +679,14 @@ config SOC_TIMER_GROUP_TOTAL_TIMERS
     int
     default 2
 
+config SOC_TWAI_CONTROLLER_NUM
+    int
+    default 1
+
+config SOC_TWAI_CLK_SUPPORT_APB
+    bool
+    default y
+
 config SOC_TWAI_BRP_MIN
     int
     default 2

components/soc/esp32c3/include/soc/clk_tree_defs.h

@@ -248,6 +248,21 @@ typedef enum {
     SDM_CLK_SRC_DEFAULT = SOC_MOD_CLK_APB, /*!< Select APB as the default clock choice */
 } soc_periph_sdm_clk_src_t;
 
+//////////////////////////////////////////////////TWAI/////////////////////////////////////////////////////////////////
+
+/**
+ * @brief Array initializer for all supported clock sources of TWAI
+ */
+#define SOC_TWAI_CLKS {SOC_MOD_CLK_APB}
+
+/**
+ * @brief TWAI clock source
+ */
+typedef enum {
+    TWAI_CLK_SRC_APB = SOC_MOD_CLK_APB,     /*!< Select APB as the source clock */
+    TWAI_CLK_SRC_DEFAULT = SOC_MOD_CLK_APB, /*!< Select APB as the default clock choice */
+} soc_periph_twai_clk_src_t;
+
 #ifdef __cplusplus
 }
 #endif

components/soc/esp32c3/include/soc/soc_caps.h

@@ -314,6 +314,8 @@
 #define SOC_TIMER_GROUP_TOTAL_TIMERS      (2)
 
 /*-------------------------- TWAI CAPS ---------------------------------------*/
+#define SOC_TWAI_CONTROLLER_NUM         1UL
+#define SOC_TWAI_CLK_SUPPORT_APB        1
 #define SOC_TWAI_BRP_MIN                2
 #define SOC_TWAI_BRP_MAX                16384
 #define SOC_TWAI_SUPPORTS_RX_STATUS     1

components/soc/esp32c3/include/soc/twai_struct.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #pragma once