change(wdt): create wdt_periph.c in soc component

components/hal/esp32/include/hal/mwdt_ll.h

@@ -17,7 +17,7 @@ extern "C" {
 #include <stdbool.h>
 #include "hal/misc.h"
 #include "hal/assert.h"
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "hal/wdt_types.h"
 #include "esp_attr.h"

components/hal/esp32c2/include/hal/mwdt_ll.h

@@ -15,7 +15,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "hal/wdt_types.h"
 #include "esp_attr.h"

components/hal/esp32c3/include/hal/mwdt_ll.h

@@ -15,7 +15,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "hal/wdt_types.h"
 #include "hal/assert.h"

components/hal/esp32c5/include/hal/mwdt_ll.h

@@ -15,7 +15,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "soc/pcr_struct.h"
 #include "hal/wdt_types.h"

components/hal/esp32c6/include/hal/mwdt_ll.h

@@ -15,7 +15,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "soc/pcr_struct.h"
 #include "hal/wdt_types.h"

components/hal/esp32c61/include/hal/mwdt_ll.h

@@ -15,7 +15,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "soc/pcr_struct.h"
 #include "hal/wdt_types.h"

components/hal/esp32h2/include/hal/mwdt_ll.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -15,7 +15,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "soc/pcr_struct.h"
 #include "hal/wdt_types.h"

components/hal/esp32p4/include/hal/mwdt_ll.h

@@ -15,7 +15,7 @@ extern "C" {
 
 #include <stdint.h>
 #include <stdbool.h>
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "soc/hp_sys_clkrst_struct.h"
 #include "hal/wdt_types.h"

components/hal/esp32s2/include/hal/mwdt_ll.h

@@ -16,7 +16,7 @@ extern "C" {
 #include <stdint.h>
 #include <stdbool.h>
 #include "esp_assert.h"
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "hal/wdt_types.h"
 #include "hal/assert.h"

components/hal/esp32s3/include/hal/mwdt_ll.h

@@ -16,7 +16,7 @@ extern "C" {
 #include <stdint.h>
 #include <stdbool.h>
 #include "hal/misc.h"
-#include "soc/timer_periph.h"
+#include "soc/wdt_periph.h"
 #include "soc/timer_group_struct.h"
 #include "hal/wdt_types.h"
 #include "hal/assert.h"

components/soc/CMakeLists.txt

@@ -121,6 +121,10 @@ if(CONFIG_SOC_TWAI_SUPPORTED)
     list(APPEND srcs "${target_folder}/twai_periph.c")
 endif()
 
+if(CONFIG_SOC_WDT_SUPPORTED)
+    list(APPEND srcs "${target_folder}/wdt_periph.c")
+endif()
+
 if(CONFIG_SOC_IEEE802154_SUPPORTED)
     if(NOT target STREQUAL "esp32h4")
         list(APPEND srcs "${target_folder}/ieee802154_periph.c")

components/soc/esp32/wdt_periph.c

@@ -0,0 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"

components/soc/esp32c2/wdt_periph.c

@@ -0,0 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"

components/soc/esp32c3/wdt_periph.c

@@ -0,0 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"

components/soc/esp32c5/wdt_periph.c

@@ -0,0 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"

components/soc/esp32c6/include/soc/Kconfig.soc_caps.in

@@ -1131,6 +1131,10 @@ config SOC_MWDT_SUPPORT_XTAL
     bool
     default y
 
+config SOC_MWDT_SUPPORT_SLEEP_RETENTION
+    bool
+    default y
+
 config SOC_TWAI_CONTROLLER_NUM
     int
     default 2

components/soc/esp32c6/include/soc/soc_caps.h

@@ -447,6 +447,7 @@
 
 /*--------------------------- WATCHDOG CAPS ---------------------------------------*/
 #define SOC_MWDT_SUPPORT_XTAL              (1)
+#define SOC_MWDT_SUPPORT_SLEEP_RETENTION   (1)
 
 /*-------------------------- TWAI CAPS ---------------------------------------*/
 #define SOC_TWAI_CONTROLLER_NUM         2

components/soc/esp32c6/wdt_periph.c

@@ -0,0 +1,32 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"
+
+#define N_REGS_TGWDT          6 // TIMG_WDTCONFIG0_REG ... TIMG_WDTCONFIG5_REG & TIMG_INT_ENA_TIMERS_REG
+
+static const regdma_entries_config_t tg0_wdt_regs_retention[] = {
+    [0] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(0),   TIMG_WDT_WKEY_VALUE,     TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x01), TIMG_WDTCONFIG0_REG(0),    TIMG_WDTCONFIG0_REG(0),  N_REGS_TGWDT,              0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [2] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x02), TIMG_WDTCONFIG0_REG(0),    TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [3] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x03), TIMG_WDTFEED_REG(0),       TIMG_WDT_FEED,           TIMG_WDT_FEED_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [4] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x04), TIMG_INT_ENA_TIMERS_REG(0),TIMG_INT_ENA_TIMERS_REG(0), 1,                      0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [5] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x05), TIMG_WDTWPROTECT_REG(0),   0,                       TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+};
+
+static const regdma_entries_config_t tg1_wdt_regs_retention[] = {
+    [0] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(1),   TIMG_WDT_WKEY_VALUE,     TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x01), TIMG_INT_ENA_TIMERS_REG(1),TIMG_INT_ENA_TIMERS_REG(1), 1,                      0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x02), TIMG_WDTCONFIG0_REG(1),    TIMG_WDTCONFIG0_REG(1),  N_REGS_TGWDT,              0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [3] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x03), TIMG_WDTCONFIG0_REG(1),    TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [4] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x04), TIMG_WDTFEED_REG(1),       TIMG_WDT_FEED,           TIMG_WDT_FEED_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [5] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x05), TIMG_WDTWPROTECT_REG(1),   0,                       TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+};
+
+const tg_reg_ctx_link_t tg_wdt_regs_retention[SOC_TIMER_GROUPS] = {
+    [0] = {tg0_wdt_regs_retention, ARRAY_SIZE(tg0_wdt_regs_retention)},
+    [1] = {tg1_wdt_regs_retention, ARRAY_SIZE(tg1_wdt_regs_retention)},
+};

components/soc/esp32c61/wdt_periph.c

@@ -0,0 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"

components/soc/esp32h2/include/soc/Kconfig.soc_caps.in

@@ -1135,6 +1135,10 @@ config SOC_MWDT_SUPPORT_XTAL
     bool
     default y
 
+config SOC_MWDT_SUPPORT_SLEEP_RETENTION
+    bool
+    default y
+
 config SOC_TWAI_CONTROLLER_NUM
     int
     default 1

components/soc/esp32h2/include/soc/soc_caps.h

@@ -445,6 +445,7 @@
 
 /*--------------------------- WATCHDOG CAPS ---------------------------------------*/
 #define SOC_MWDT_SUPPORT_XTAL              (1)
+#define SOC_MWDT_SUPPORT_SLEEP_RETENTION   (1)
 
 /*-------------------------- TWAI CAPS ---------------------------------------*/
 #define SOC_TWAI_CONTROLLER_NUM         1UL

components/soc/esp32h2/wdt_periph.c

@@ -0,0 +1,32 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"
+
+#define N_REGS_TGWDT          6 // TIMG_WDTCONFIG0_REG ... TIMG_WDTCONFIG5_REG & TIMG_INT_ENA_TIMERS_REG
+
+static const regdma_entries_config_t tg0_wdt_regs_retention[] = {
+    [0] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(0),   TIMG_WDT_WKEY_VALUE,     TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x01), TIMG_WDTCONFIG0_REG(0),    TIMG_WDTCONFIG0_REG(0),  N_REGS_TGWDT,              0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [2] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x02), TIMG_WDTCONFIG0_REG(0),    TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [3] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x03), TIMG_WDTFEED_REG(0),       TIMG_WDT_FEED,           TIMG_WDT_FEED_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [4] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x04), TIMG_INT_ENA_TIMERS_REG(0),TIMG_INT_ENA_TIMERS_REG(0), 1,                      0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [5] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x05), TIMG_WDTWPROTECT_REG(0),   0,                       TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+};
+
+static const regdma_entries_config_t tg1_wdt_regs_retention[] = {
+    [0] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(1),   TIMG_WDT_WKEY_VALUE,     TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x01), TIMG_INT_ENA_TIMERS_REG(1),TIMG_INT_ENA_TIMERS_REG(1), 1,                      0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x02), TIMG_WDTCONFIG0_REG(1),    TIMG_WDTCONFIG0_REG(1),  N_REGS_TGWDT,              0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [3] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x03), TIMG_WDTCONFIG0_REG(1),    TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [4] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x04), TIMG_WDTFEED_REG(1),       TIMG_WDT_FEED,           TIMG_WDT_FEED_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [5] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x05), TIMG_WDTWPROTECT_REG(1),   0,                       TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+};
+
+const tg_reg_ctx_link_t tg_wdt_regs_retention[SOC_TIMER_GROUPS] = {
+    [0] = {tg0_wdt_regs_retention, ARRAY_SIZE(tg0_wdt_regs_retention)},
+    [1] = {tg1_wdt_regs_retention, ARRAY_SIZE(tg1_wdt_regs_retention)},
+};

components/soc/esp32p4/include/soc/Kconfig.soc_caps.in

@@ -1399,6 +1399,10 @@ config SOC_MWDT_SUPPORT_XTAL
     bool
     default y
 
+config SOC_MWDT_SUPPORT_SLEEP_RETENTION
+    bool
+    default y
+
 config SOC_TOUCH_SENSOR_VERSION
     int
     default 3

components/soc/esp32p4/include/soc/soc_caps.h

@@ -546,6 +546,7 @@
 
 /*--------------------------- WATCHDOG CAPS ---------------------------------------*/
 #define SOC_MWDT_SUPPORT_XTAL              (1)
+#define SOC_MWDT_SUPPORT_SLEEP_RETENTION   (1)
 
 /*-------------------------- TOUCH SENSOR CAPS -------------------------------*/
 #define SOC_TOUCH_SENSOR_VERSION                    (3)     /*!< Hardware version of touch sensor */

components/soc/esp32p4/wdt_periph.c

@@ -0,0 +1,33 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"
+
+
+#define N_REGS_TGWDT          6 // TIMG_WDTCONFIG0_REG ... TIMG_WDTCONFIG5_REG & TIMG_INT_ENA_TIMERS_REG
+
+static const regdma_entries_config_t tg0_wdt_regs_retention[] = {
+    [0] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(0),   TIMG_WDT_WKEY_VALUE,     TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x01), TIMG_WDTCONFIG0_REG(0),    TIMG_WDTCONFIG0_REG(0),  N_REGS_TGWDT,              0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [2] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x02), TIMG_WDTCONFIG0_REG(0),    TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [3] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x03), TIMG_WDTFEED_REG(0),       TIMG_WDT_FEED,           TIMG_WDT_FEED_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [4] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x04), TIMG_INT_ENA_TIMERS_REG(0),TIMG_INT_ENA_TIMERS_REG(0), 1,                      0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [5] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x05), TIMG_WDTWPROTECT_REG(0),   0,                       TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+};
+
+static const regdma_entries_config_t tg1_wdt_regs_retention[] = {
+    [0] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(1),   TIMG_WDT_WKEY_VALUE,     TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x01), TIMG_INT_ENA_TIMERS_REG(1),TIMG_INT_ENA_TIMERS_REG(1), 1,                      0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x02), TIMG_WDTCONFIG0_REG(1),    TIMG_WDTCONFIG0_REG(1),  N_REGS_TGWDT,              0, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [3] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x03), TIMG_WDTCONFIG0_REG(1),    TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [4] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG0_WDT_LINK(0x04), TIMG_WDTFEED_REG(1),       TIMG_WDT_FEED,           TIMG_WDT_FEED_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+    [5] = { .config = REGDMA_LINK_WRITE_INIT     (REGDMA_TG1_WDT_LINK(0x05), TIMG_WDTWPROTECT_REG(1),   0,                       TIMG_WDT_WKEY_M,           1, 0), .owner = ENTRY(0) | ENTRY(2) },
+};
+
+const tg_reg_ctx_link_t tg_wdt_regs_retention[SOC_TIMER_GROUPS] = {
+    [0] = {tg0_wdt_regs_retention, ARRAY_SIZE(tg0_wdt_regs_retention)},
+    [1] = {tg1_wdt_regs_retention, ARRAY_SIZE(tg1_wdt_regs_retention)},
+};

components/soc/esp32s2/wdt_periph.c

@@ -0,0 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"

components/soc/esp32s3/wdt_periph.c

@@ -0,0 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/wdt_periph.h"

components/soc/include/soc/timer_periph.h

@@ -17,9 +17,6 @@
 extern "C" {
 #endif
 
-/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
-#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
-
 typedef struct {
     struct {
         const periph_module_t module; // Peripheral module

components/soc/include/soc/wdt_periph.h

@@ -0,0 +1,34 @@
+/*
+ * SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include "soc/timer_group_reg.h"
+#include "soc/timer_group_struct.h"
+#include "soc/soc_caps.h"
+#include "soc/periph_defs.h"
+#include "soc/regdma.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* The value that needs to be written to TIMG_WDT_WKEY to write-enable the wdt registers */
+#define TIMG_WDT_WKEY_VALUE 0x50D83AA1
+
+#if SOC_MWDT_SUPPORT_SLEEP_RETENTION
+typedef struct {
+    const regdma_entries_config_t *link_list;
+    uint32_t link_num;
+} tg_reg_ctx_link_t;
+
+extern const tg_reg_ctx_link_t tg_wdt_regs_retention[SOC_TIMER_GROUPS];
+#endif // SOC_MWDT_SUPPORT_SLEEP_RETENTION
+
+#ifdef __cplusplus
+}
+#endif