gdma: dynamic alloc DMA channels

components/soc/esp32c3/gdma_periph.c

@@ -0,0 +1,34 @@
+// Copyright 2020 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.
+
+#include "soc/gdma_periph.h"
+
+const gdma_signal_conn_t gdma_periph_signals = {
+    .groups = {
+        [0] = {
+            .module = PERIPH_GDMA_MODULE,
+            .pairs = {
+                [0]  = {
+                    .irq_id = ETS_DMA_CH0_INTR_SOURCE
+                },
+                [1]  = {
+                    .irq_id = ETS_DMA_CH1_INTR_SOURCE
+                },
+                [2]  = {
+                    .irq_id = ETS_DMA_CH2_INTR_SOURCE
+                }
+            }
+        }
+    }
+};