Merge branch 'feature/support_sigma_delta_on_s3' into 'master'

sigma_delta: add periph signal list and support esp32-s3

See merge request espressif/esp-idf!10945

components/soc/esp32/CMakeLists.txt

@@ -11,6 +11,7 @@ set(srcs
     "rtc_periph.c"
     "sdio_slave_periph.c"
     "sdmmc_periph.c"
+    "sigmadelta_periph.c"
     "soc_memory_layout.c"
     "spi_periph.c"
     "touch_sensor_periph.c"

components/soc/esp32/include/soc/soc_caps.h

@@ -166,8 +166,8 @@
 #define SOC_RTCIO_PIN_COUNT 18
 
 /*-------------------------- SIGMA DELTA CAPS --------------------------------*/
-// ESP32 have 1 SIGMADELTA peripheral.
-#define SOC_SIGMADELTA_NUM            1
+#define SOC_SIGMADELTA_NUM         (1) // 1 sigma-delta peripheral
+#define SOC_SIGMADELTA_CHANNEL_NUM (8) // 8 channels
 
 /*-------------------------- SPI CAPS ----------------------------------------*/
 #define SOC_SPI_PERIPH_NUM          3

components/soc/esp32/sigmadelta_periph.c

@@ -0,0 +1,45 @@
+// 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/sigmadelta_periph.h"
+#include "soc/gpio_sig_map.h"
+
+const sigma_delta_signal_conn_t sigma_delta_periph_signals = {
+    .channels = {
+        [0] = {
+            GPIO_SD0_OUT_IDX
+        },
+        [1] = {
+            GPIO_SD1_OUT_IDX
+        },
+        [2] = {
+            GPIO_SD2_OUT_IDX
+        },
+        [3] = {
+            GPIO_SD3_OUT_IDX
+        },
+        [4] = {
+            GPIO_SD4_OUT_IDX
+        },
+        [5] = {
+            GPIO_SD5_OUT_IDX
+        },
+        [6] = {
+            GPIO_SD6_OUT_IDX
+        },
+        [7] = {
+            GPIO_SD7_OUT_IDX
+        }
+    }
+};