From 989e95825664ae63f7138a0f63f9a466c651285d Mon Sep 17 00:00:00 2001
From: wuzhenghui <wuzhenghui@espressif.com>
Date: Fri, 7 Feb 2025 14:30:40 +0800
Subject: [PATCH] fix(esp_hw_support): add timer wakeup sleep duration check

Closes https://github.com/espressif/esp-idf/issues/15255
---
 components/esp_hw_support/include/esp_sleep.h             | 8 ++++++--
 components/esp_hw_support/port/esp32/rtc_time.c           | 8 ++++----
 components/esp_hw_support/port/esp32c2/rtc_time.c         | 8 ++++----
 components/esp_hw_support/port/esp32c3/rtc_time.c         | 8 ++++----
 components/esp_hw_support/port/esp32c6/rtc_time.c         | 8 ++++----
 components/esp_hw_support/port/esp32h2/rtc_time.c         | 8 ++++----
 components/esp_hw_support/port/esp32s2/rtc_time.c         | 8 ++++----
 components/esp_hw_support/port/esp32s3/rtc_time.c         | 8 ++++----
 components/esp_hw_support/sleep_modes.c                   | 5 +++++
 .../test_apps/esp_system_unity_tests/main/test_sleep.c    | 6 ++++++
 components/soc/esp32/include/soc/Kconfig.soc_caps.in      | 8 ++++++++
 components/soc/esp32/include/soc/soc_caps.h               | 4 ++++
 components/soc/esp32c2/include/soc/Kconfig.soc_caps.in    | 8 ++++++++
 components/soc/esp32c2/include/soc/soc_caps.h             | 4 ++++
 components/soc/esp32c3/include/soc/Kconfig.soc_caps.in    | 8 ++++++++
 components/soc/esp32c3/include/soc/soc_caps.h             | 4 ++++
 components/soc/esp32s2/include/soc/Kconfig.soc_caps.in    | 8 ++++++++
 components/soc/esp32s2/include/soc/soc_caps.h             | 4 ++++
 components/soc/esp32s3/include/soc/Kconfig.soc_caps.in    | 8 ++++++++
 components/soc/esp32s3/include/soc/soc_caps.h             | 4 ++++
 20 files changed, 105 insertions(+), 30 deletions(-)

diff --git a/components/esp_hw_support/include/esp_sleep.h b/components/esp_hw_support/include/esp_sleep.h
index 83a67eef03..52d879191c 100644
--- a/components/esp_hw_support/include/esp_sleep.h
+++ b/components/esp_hw_support/include/esp_sleep.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -168,9 +168,13 @@ esp_err_t esp_sleep_enable_ulp_wakeup(void);
 /**
  * @brief Enable wakeup by timer
  * @param time_in_us  time before wakeup, in microseconds
+ * @note  The valid `time_in_us` value depends on the bit width of the lp_timer/rtc_timer counter and the
+ *        current slow clock source selection (Refer RTC clock source configuration in menuconfig).
+ *        Valid values should be positive values less than RTC slow clock period * (2 ^ RTC timer bitwidth).
+ *
  * @return
  *      - ESP_OK on success
- *      - ESP_ERR_INVALID_ARG if value is out of range (TBD)
+ *      - ESP_ERR_INVALID_ARG if value is out of range.
  */
 esp_err_t esp_sleep_enable_timer_wakeup(uint64_t time_in_us);
 
diff --git a/components/esp_hw_support/port/esp32/rtc_time.c b/components/esp_hw_support/port/esp32/rtc_time.c
index 6746196833..4f1b40607a 100644
--- a/components/esp_hw_support/port/esp32/rtc_time.c
+++ b/components/esp_hw_support/port/esp32/rtc_time.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -143,9 +143,9 @@ uint32_t rtc_clk_cal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
 uint64_t rtc_time_us_to_slowclk(uint64_t time_in_us, uint32_t period)
 {
     assert(period);
-    /* Overflow will happen in this function if time_in_us >= 2^45, which is about 400 days.
-     * TODO: fix overflow.
-     */
+    if (time_in_us > (UINT64_MAX >> RTC_CLK_CAL_FRACT)) {
+        return ((time_in_us / period) << RTC_CLK_CAL_FRACT) + ((time_in_us % period) << RTC_CLK_CAL_FRACT) / period;
+    }
     return (time_in_us << RTC_CLK_CAL_FRACT) / period;
 }
 
diff --git a/components/esp_hw_support/port/esp32c2/rtc_time.c b/components/esp_hw_support/port/esp32c2/rtc_time.c
index 51df561d4a..f3336b71b0 100644
--- a/components/esp_hw_support/port/esp32c2/rtc_time.c
+++ b/components/esp_hw_support/port/esp32c2/rtc_time.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -157,9 +157,9 @@ uint32_t rtc_clk_cal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
 uint64_t rtc_time_us_to_slowclk(uint64_t time_in_us, uint32_t period)
 {
     assert(period);
-    /* Overflow will happen in this function if time_in_us >= 2^45, which is about 400 days.
-     * TODO: fix overflow.
-     */
+    if (time_in_us > (UINT64_MAX >> RTC_CLK_CAL_FRACT)) {
+        return ((time_in_us / period) << RTC_CLK_CAL_FRACT) + ((time_in_us % period) << RTC_CLK_CAL_FRACT) / period;
+    }
     return (time_in_us << RTC_CLK_CAL_FRACT) / period;
 }
 
diff --git a/components/esp_hw_support/port/esp32c3/rtc_time.c b/components/esp_hw_support/port/esp32c3/rtc_time.c
index 37f40e8b1c..c5cc7207ef 100644
--- a/components/esp_hw_support/port/esp32c3/rtc_time.c
+++ b/components/esp_hw_support/port/esp32c3/rtc_time.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -160,9 +160,9 @@ uint32_t rtc_clk_cal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
 uint64_t rtc_time_us_to_slowclk(uint64_t time_in_us, uint32_t period)
 {
     assert(period);
-    /* Overflow will happen in this function if time_in_us >= 2^45, which is about 400 days.
-     * TODO: fix overflow.
-     */
+    if (time_in_us > (UINT64_MAX >> RTC_CLK_CAL_FRACT)) {
+        return ((time_in_us / period) << RTC_CLK_CAL_FRACT) + ((time_in_us % period) << RTC_CLK_CAL_FRACT) / period;
+    }
     return (time_in_us << RTC_CLK_CAL_FRACT) / period;
 }
 
diff --git a/components/esp_hw_support/port/esp32c6/rtc_time.c b/components/esp_hw_support/port/esp32c6/rtc_time.c
index bb42b65645..4ceec1eb93 100644
--- a/components/esp_hw_support/port/esp32c6/rtc_time.c
+++ b/components/esp_hw_support/port/esp32c6/rtc_time.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -235,9 +235,9 @@ uint32_t rtc_clk_cal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
 uint64_t rtc_time_us_to_slowclk(uint64_t time_in_us, uint32_t period)
 {
     assert(period);
-    /* Overflow will happen in this function if time_in_us >= 2^45, which is about 400 days.
-     * TODO: fix overflow.
-     */
+    if (time_in_us > (UINT64_MAX >> RTC_CLK_CAL_FRACT)) {
+        return ((time_in_us / period) << RTC_CLK_CAL_FRACT) + ((time_in_us % period) << RTC_CLK_CAL_FRACT) / period;
+    }
     return (time_in_us << RTC_CLK_CAL_FRACT) / period;
 }
 
diff --git a/components/esp_hw_support/port/esp32h2/rtc_time.c b/components/esp_hw_support/port/esp32h2/rtc_time.c
index 2dfac35c71..c267cc121c 100644
--- a/components/esp_hw_support/port/esp32h2/rtc_time.c
+++ b/components/esp_hw_support/port/esp32h2/rtc_time.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -235,9 +235,9 @@ uint32_t rtc_clk_cal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
 uint64_t rtc_time_us_to_slowclk(uint64_t time_in_us, uint32_t period)
 {
     assert(period);
-    /* Overflow will happen in this function if time_in_us >= 2^45, which is about 400 days.
-     * TODO: fix overflow.
-     */
+    if (time_in_us > (UINT64_MAX >> RTC_CLK_CAL_FRACT)) {
+        return ((time_in_us / period) << RTC_CLK_CAL_FRACT) + ((time_in_us % period) << RTC_CLK_CAL_FRACT) / period;
+    }
     return (time_in_us << RTC_CLK_CAL_FRACT) / period;
 }
 
diff --git a/components/esp_hw_support/port/esp32s2/rtc_time.c b/components/esp_hw_support/port/esp32s2/rtc_time.c
index 9723d8366b..5ae73e78d9 100644
--- a/components/esp_hw_support/port/esp32s2/rtc_time.c
+++ b/components/esp_hw_support/port/esp32s2/rtc_time.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -225,9 +225,9 @@ uint32_t rtc_clk_cal_cycling(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
 uint64_t rtc_time_us_to_slowclk(uint64_t time_in_us, uint32_t period)
 {
     assert(period);
-    /* Overflow will happen in this function if time_in_us >= 2^45, which is about 400 days.
-     * TODO: fix overflow.
-     */
+    if (time_in_us > (UINT64_MAX >> RTC_CLK_CAL_FRACT)) {
+        return ((time_in_us / period) << RTC_CLK_CAL_FRACT) + ((time_in_us % period) << RTC_CLK_CAL_FRACT) / period;
+    }
     return (time_in_us << RTC_CLK_CAL_FRACT) / period;
 }
 
diff --git a/components/esp_hw_support/port/esp32s3/rtc_time.c b/components/esp_hw_support/port/esp32s3/rtc_time.c
index 76f3022bec..126bf4226d 100644
--- a/components/esp_hw_support/port/esp32s3/rtc_time.c
+++ b/components/esp_hw_support/port/esp32s3/rtc_time.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -159,9 +159,9 @@ uint32_t rtc_clk_cal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
 uint64_t rtc_time_us_to_slowclk(uint64_t time_in_us, uint32_t period)
 {
     assert(period);
-    /* Overflow will happen in this function if time_in_us >= 2^45, which is about 400 days.
-     * TODO: fix overflow.
-     */
+    if (time_in_us > (UINT64_MAX >> RTC_CLK_CAL_FRACT)) {
+        return ((time_in_us / period) << RTC_CLK_CAL_FRACT) + ((time_in_us % period) << RTC_CLK_CAL_FRACT) / period;
+    }
     return (time_in_us << RTC_CLK_CAL_FRACT) / period;
 }
 
diff --git a/components/esp_hw_support/sleep_modes.c b/components/esp_hw_support/sleep_modes.c
index 413d21a9cc..215e99fa5a 100644
--- a/components/esp_hw_support/sleep_modes.c
+++ b/components/esp_hw_support/sleep_modes.c
@@ -12,6 +12,7 @@
 #include "esp_attr.h"
 #include "esp_memory_utils.h"
 #include "esp_sleep.h"
+#include "esp_private/esp_clk_tree_common.h"
 #include "esp_private/esp_sleep_internal.h"
 #include "esp_private/esp_timer_private.h"
 #include "esp_private/sleep_event.h"
@@ -1464,6 +1465,10 @@ esp_err_t esp_sleep_enable_ulp_wakeup(void)
 
 esp_err_t esp_sleep_enable_timer_wakeup(uint64_t time_in_us)
 {
+    if (time_in_us > ((BIT64(SOC_LP_TIMER_BIT_WIDTH_LO + SOC_LP_TIMER_BIT_WIDTH_HI) - 1) / esp_clk_tree_lp_slow_get_freq_hz(ESP_CLK_TREE_SRC_FREQ_PRECISION_APPROX)) * MHZ ) {
+        return ESP_ERR_INVALID_ARG;
+    }
+
     s_config.wakeup_triggers |= RTC_TIMER_TRIG_EN;
     s_config.sleep_duration = time_in_us;
     return ESP_OK;
diff --git a/components/esp_system/test_apps/esp_system_unity_tests/main/test_sleep.c b/components/esp_system/test_apps/esp_system_unity_tests/main/test_sleep.c
index c7dc181a52..0e013c17c6 100644
--- a/components/esp_system/test_apps/esp_system_unity_tests/main/test_sleep.c
+++ b/components/esp_system/test_apps/esp_system_unity_tests/main/test_sleep.c
@@ -22,10 +22,12 @@
 #include "esp_newlib.h"
 #include "test_utils.h"
 #include "sdkconfig.h"
+#include "esp_clk_tree.h"
 #include "esp_rom_uart.h"
 #include "esp_rom_sys.h"
 #include "esp_timer.h"
 #include "esp_private/esp_clk.h"
+#include "esp_private/esp_clk_tree_common.h"
 #include "esp_random.h"
 #include "nvs_flash.h"
 #include "nvs.h"
@@ -55,6 +57,10 @@ static void deep_sleep_task(void *arg)
 
 static void do_deep_sleep_from_app_cpu(void)
 {
+    TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, esp_sleep_enable_timer_wakeup(UINT64_MAX));
+    uint64_t lp_timer_max_allowed_time_in_us = ((BIT64(SOC_LP_TIMER_BIT_WIDTH_LO + SOC_LP_TIMER_BIT_WIDTH_HI) - 1) / esp_clk_tree_lp_slow_get_freq_hz(ESP_CLK_TREE_SRC_FREQ_PRECISION_APPROX)) * MHZ;
+    TEST_ASSERT_EQUAL(ESP_OK, esp_sleep_enable_timer_wakeup(lp_timer_max_allowed_time_in_us));
+    TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, esp_sleep_enable_timer_wakeup(lp_timer_max_allowed_time_in_us + 1));
     esp_sleep_enable_timer_wakeup(2000000);
 
     xTaskCreatePinnedToCore(&deep_sleep_task, "ds", 2048, NULL, 5, NULL, 1);
diff --git a/components/soc/esp32/include/soc/Kconfig.soc_caps.in b/components/soc/esp32/include/soc/Kconfig.soc_caps.in
index b16d12e807..62d0681ca6 100644
--- a/components/soc/esp32/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32/include/soc/Kconfig.soc_caps.in
@@ -623,6 +623,14 @@ config SOC_TIMER_GROUP_SUPPORT_APB
     bool
     default y
 
+config SOC_LP_TIMER_BIT_WIDTH_LO
+    int
+    default 32
+
+config SOC_LP_TIMER_BIT_WIDTH_HI
+    int
+    default 16
+
 config SOC_TOUCH_VERSION_1
     bool
     default y
diff --git a/components/soc/esp32/include/soc/soc_caps.h b/components/soc/esp32/include/soc/soc_caps.h
index a3c6d384ea..10deaef2a2 100644
--- a/components/soc/esp32/include/soc/soc_caps.h
+++ b/components/soc/esp32/include/soc/soc_caps.h
@@ -300,6 +300,10 @@
 #define SOC_TIMER_GROUP_TOTAL_TIMERS      (4)
 #define SOC_TIMER_GROUP_SUPPORT_APB       (1)
 
+/*-------------------------- LP_TIMER CAPS ----------------------------------*/
+#define SOC_LP_TIMER_BIT_WIDTH_LO           32 // Bit width of lp_timer low part
+#define SOC_LP_TIMER_BIT_WIDTH_HI           16 // Bit width of lp_timer high part
+
 /*-------------------------- TOUCH SENSOR CAPS -------------------------------*/
 #define SOC_TOUCH_VERSION_1                 (1)     /*!<Hardware version of touch sensor */
 #define SOC_TOUCH_SENSOR_NUM                (10)
diff --git a/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in b/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
index 513a4426a3..0cde9f6702 100644
--- a/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
@@ -519,6 +519,14 @@ config SOC_TIMER_GROUP_TOTAL_TIMERS
     int
     default 1
 
+config SOC_LP_TIMER_BIT_WIDTH_LO
+    int
+    default 32
+
+config SOC_LP_TIMER_BIT_WIDTH_HI
+    int
+    default 16
+
 config SOC_MWDT_SUPPORT_XTAL
     bool
     default y
diff --git a/components/soc/esp32c2/include/soc/soc_caps.h b/components/soc/esp32c2/include/soc/soc_caps.h
index fd044ac909..ec053854f6 100644
--- a/components/soc/esp32c2/include/soc/soc_caps.h
+++ b/components/soc/esp32c2/include/soc/soc_caps.h
@@ -250,6 +250,10 @@
 #define SOC_TIMER_GROUP_SUPPORT_XTAL      (1)
 #define SOC_TIMER_GROUP_TOTAL_TIMERS      (1U)
 
+/*-------------------------- LP_TIMER CAPS ----------------------------------*/
+#define SOC_LP_TIMER_BIT_WIDTH_LO           32 // Bit width of lp_timer low part
+#define SOC_LP_TIMER_BIT_WIDTH_HI           16 // Bit width of lp_timer high part
+
 /*--------------------------- WATCHDOG CAPS ---------------------------------------*/
 #define SOC_MWDT_SUPPORT_XTAL              (1)
 
diff --git a/components/soc/esp32c3/include/soc/Kconfig.soc_caps.in b/components/soc/esp32c3/include/soc/Kconfig.soc_caps.in
index f92dd94418..db66f64b4c 100644
--- a/components/soc/esp32c3/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32c3/include/soc/Kconfig.soc_caps.in
@@ -747,6 +747,14 @@ config SOC_TIMER_GROUP_TOTAL_TIMERS
     int
     default 2
 
+config SOC_LP_TIMER_BIT_WIDTH_LO
+    int
+    default 32
+
+config SOC_LP_TIMER_BIT_WIDTH_HI
+    int
+    default 16
+
 config SOC_MWDT_SUPPORT_XTAL
     bool
     default y
diff --git a/components/soc/esp32c3/include/soc/soc_caps.h b/components/soc/esp32c3/include/soc/soc_caps.h
index 1eb833f8e5..1f05f02e4b 100644
--- a/components/soc/esp32c3/include/soc/soc_caps.h
+++ b/components/soc/esp32c3/include/soc/soc_caps.h
@@ -334,6 +334,10 @@
 #define SOC_TIMER_GROUP_SUPPORT_APB       (1)
 #define SOC_TIMER_GROUP_TOTAL_TIMERS      (2)
 
+/*-------------------------- LP_TIMER CAPS ----------------------------------*/
+#define SOC_LP_TIMER_BIT_WIDTH_LO           32 // Bit width of lp_timer low part
+#define SOC_LP_TIMER_BIT_WIDTH_HI           16 // Bit width of lp_timer high part
+
 /*--------------------------- WATCHDOG CAPS ---------------------------------------*/
 #define SOC_MWDT_SUPPORT_XTAL              (1)
 
diff --git a/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in b/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in
index 1d8bb122ac..70f27eecff 100644
--- a/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in
@@ -715,6 +715,14 @@ config SOC_TIMER_GROUP_TOTAL_TIMERS
     int
     default 4
 
+config SOC_LP_TIMER_BIT_WIDTH_LO
+    int
+    default 32
+
+config SOC_LP_TIMER_BIT_WIDTH_HI
+    int
+    default 16
+
 config SOC_TOUCH_VERSION_2
     bool
     default y
diff --git a/components/soc/esp32s2/include/soc/soc_caps.h b/components/soc/esp32s2/include/soc/soc_caps.h
index f3ef46d8ad..39ab290beb 100644
--- a/components/soc/esp32s2/include/soc/soc_caps.h
+++ b/components/soc/esp32s2/include/soc/soc_caps.h
@@ -310,6 +310,10 @@
 #define SOC_TIMER_GROUP_SUPPORT_APB       (1)
 #define SOC_TIMER_GROUP_TOTAL_TIMERS      (4)
 
+/*-------------------------- LP_TIMER CAPS ----------------------------------*/
+#define SOC_LP_TIMER_BIT_WIDTH_LO           32 // Bit width of lp_timer low part
+#define SOC_LP_TIMER_BIT_WIDTH_HI           16 // Bit width of lp_timer high part
+
 /*-------------------------- TOUCH SENSOR CAPS -------------------------------*/
 #define SOC_TOUCH_VERSION_2                 (1)     /*!<Hardware version of touch sensor */
 #define SOC_TOUCH_SENSOR_NUM                (15)    /*!<15 Touch channels */
diff --git a/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in b/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
index c53b7d538e..9c32831472 100644
--- a/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
@@ -843,6 +843,14 @@ config SOC_TIMER_GROUP_TOTAL_TIMERS
     int
     default 4
 
+config SOC_LP_TIMER_BIT_WIDTH_LO
+    int
+    default 32
+
+config SOC_LP_TIMER_BIT_WIDTH_HI
+    int
+    default 16
+
 config SOC_TOUCH_VERSION_2
     bool
     default y
diff --git a/components/soc/esp32s3/include/soc/soc_caps.h b/components/soc/esp32s3/include/soc/soc_caps.h
index ff6de1752f..9f0bf9cd38 100644
--- a/components/soc/esp32s3/include/soc/soc_caps.h
+++ b/components/soc/esp32s3/include/soc/soc_caps.h
@@ -339,6 +339,10 @@
 #define SOC_TIMER_GROUP_SUPPORT_APB       (1)
 #define SOC_TIMER_GROUP_TOTAL_TIMERS      (4)
 
+/*-------------------------- LP_TIMER CAPS ----------------------------------*/
+#define SOC_LP_TIMER_BIT_WIDTH_LO           32 // Bit width of lp_timer low part
+#define SOC_LP_TIMER_BIT_WIDTH_HI           16 // Bit width of lp_timer high part
+
 /*-------------------------- TOUCH SENSOR CAPS -------------------------------*/
 #define SOC_TOUCH_VERSION_2               	(1)  // Hardware version of touch sensor
 #define SOC_TOUCH_SENSOR_NUM                (15) /*! 15 Touch channels */