diff --git a/examples/protocols/.build-test-rules.yml b/examples/protocols/.build-test-rules.yml
index bd984dba60..6d6619d8fa 100644
--- a/examples/protocols/.build-test-rules.yml
+++ b/examples/protocols/.build-test-rules.yml
@@ -180,10 +180,6 @@ examples/protocols/l2tap:
 
 examples/protocols/modbus:
   <<: *default_dependencies
-  disable:
-    - if: IDF_TARGET == "esp32p4"
-      temporary: true
-      reason: not supported on p4 # TODO: IDF-7869
   depends_filepatterns:
     - examples/common_components/protocol_examples_common/**/*
     - examples/protocols/modbus/mb_example_common/**/*
diff --git a/examples/protocols/modbus/serial/mb_master/README.md b/examples/protocols/modbus/serial/mb_master/README.md
index 14407d9539..7b28f660a2 100644
--- a/examples/protocols/modbus/serial/mb_master/README.md
+++ b/examples/protocols/modbus/serial/mb_master/README.md
@@ -1,5 +1,5 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-S2 | ESP32-S3 |
-| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- |
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- | -------- |
 
 # Modbus Master Example
 
diff --git a/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild b/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild
index 9e6ec5327e..7d182f27b4 100644
--- a/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild
+++ b/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild
@@ -31,7 +31,7 @@ menu "Modbus Example Configuration"
     config MB_UART_RXD
         int "UART RXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
-        default 22 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
+        default 22 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
         default 8 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
             IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2
         help
@@ -41,7 +41,7 @@ menu "Modbus Example Configuration"
     config MB_UART_TXD
         int "UART TXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
-        default 23 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
+        default 23 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
         default 9 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
             IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2
         help
@@ -51,6 +51,7 @@ menu "Modbus Example Configuration"
     config MB_UART_RTS
         int "UART RTS pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
+        default 20 if IDF_TARGET_ESP32P4
         default 18 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
         default 10 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
             IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2
diff --git a/examples/protocols/modbus/serial/mb_master/sdkconfig.defaults b/examples/protocols/modbus/serial/mb_master/sdkconfig.defaults
index 3c9c6de0ed..df3c28edad 100644
--- a/examples/protocols/modbus/serial/mb_master/sdkconfig.defaults
+++ b/examples/protocols/modbus/serial/mb_master/sdkconfig.defaults
@@ -1,10 +1,9 @@
 #
 # Modbus configuration
 #
+CONFIG_FMB_TIMER_PORT_ENABLED=n
 CONFIG_MB_COMM_MODE_ASCII=y
 CONFIG_MB_UART_BAUD_RATE=115200
-CONFIG_FMB_TIMER_PORT_ENABLED=n
-CONFIG_FMB_TIMER_ISR_IN_IRAM=y
 CONFIG_FMB_MASTER_DELAY_MS_CONVERT=200
 CONFIG_FMB_MASTER_TIMEOUT_MS_RESPOND=400
 CONFIG_FMB_TIMER_USE_ISR_DISPATCH_METHOD=y
diff --git a/examples/protocols/modbus/serial/mb_slave/README.md b/examples/protocols/modbus/serial/mb_slave/README.md
index c73e76383f..00db56c68d 100644
--- a/examples/protocols/modbus/serial/mb_slave/README.md
+++ b/examples/protocols/modbus/serial/mb_slave/README.md
@@ -1,5 +1,5 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-S2 | ESP32-S3 |
-| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- |
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- | -------- |
 
 # Modbus Slave Example
 
diff --git a/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild b/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild
index ab6518cffc..ca1b485eb8 100644
--- a/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild
+++ b/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild
@@ -31,7 +31,7 @@ menu "Modbus Example Configuration"
     config MB_UART_RXD
         int "UART RXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
-        default 22 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
+        default 22 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
         default 8 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
             IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2
         help
@@ -41,7 +41,7 @@ menu "Modbus Example Configuration"
     config MB_UART_TXD
         int "UART TXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
-        default 23 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
+        default 23 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
         default 9 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
             IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2
         help
@@ -51,6 +51,7 @@ menu "Modbus Example Configuration"
     config MB_UART_RTS
         int "UART RTS pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
+        default 20 if IDF_TARGET_ESP32P4
         default 18 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
         default 10 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
             IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2
diff --git a/examples/protocols/modbus/serial/mb_slave/sdkconfig.defaults b/examples/protocols/modbus/serial/mb_slave/sdkconfig.defaults
index 7f2c0eabdf..957833bbdd 100644
--- a/examples/protocols/modbus/serial/mb_slave/sdkconfig.defaults
+++ b/examples/protocols/modbus/serial/mb_slave/sdkconfig.defaults
@@ -5,5 +5,4 @@ CONFIG_MB_COMM_MODE_ASCII=y
 CONFIG_MB_SLAVE_ADDR=1
 CONFIG_MB_UART_BAUD_RATE=115200
 CONFIG_FMB_TIMER_PORT_ENABLED=y
-CONFIG_FMB_TIMER_ISR_IN_IRAM=y
 CONFIG_FMB_TIMER_USE_ISR_DISPATCH_METHOD=y
diff --git a/examples/protocols/modbus/tcp/mb_tcp_master/README.md b/examples/protocols/modbus/tcp/mb_tcp_master/README.md
index 8ac43f8bcc..7f298e1cae 100644
--- a/examples/protocols/modbus/tcp/mb_tcp_master/README.md
+++ b/examples/protocols/modbus/tcp/mb_tcp_master/README.md
@@ -1,5 +1,5 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-S2 | ESP32-S3 |
-| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- |
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- | -------- |
 
 # Modbus TCP Master Example
 
diff --git a/examples/protocols/modbus/tcp/mb_tcp_master/sdkconfig.defaults b/examples/protocols/modbus/tcp/mb_tcp_master/sdkconfig.defaults
index 968d332fcc..1a76af9cc3 100644
--- a/examples/protocols/modbus/tcp/mb_tcp_master/sdkconfig.defaults
+++ b/examples/protocols/modbus/tcp/mb_tcp_master/sdkconfig.defaults
@@ -11,9 +11,6 @@ CONFIG_FMB_COMM_MODE_ASCII_EN=n
 CONFIG_FMB_MASTER_TIMEOUT_MS_RESPOND=2000
 CONFIG_FMB_MASTER_DELAY_MS_CONVERT=300
 CONFIG_FMB_TIMER_PORT_ENABLED=y
-CONFIG_FMB_TIMER_GROUP=0
-CONFIG_FMB_TIMER_INDEX=0
-CONFIG_FMB_TIMER_ISR_IN_IRAM=y
 CONFIG_MB_MDNS_IP_RESOLVER=n
 CONFIG_MB_SLAVE_IP_FROM_STDIN=y
 CONFIG_EXAMPLE_CONNECT_IPV6=n
diff --git a/examples/protocols/modbus/tcp/mb_tcp_slave/README.md b/examples/protocols/modbus/tcp/mb_tcp_slave/README.md
index 7d20eb27a6..725bf10ced 100644
--- a/examples/protocols/modbus/tcp/mb_tcp_slave/README.md
+++ b/examples/protocols/modbus/tcp/mb_tcp_slave/README.md
@@ -1,5 +1,5 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-S2 | ESP32-S3 |
-| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- |
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- | -------- |
 
 # Modbus Slave Example
 
diff --git a/tools/ci/ignore_build_warnings.txt b/tools/ci/ignore_build_warnings.txt
index fc5ac452ab..332ef25185 100644
--- a/tools/ci/ignore_build_warnings.txt
+++ b/tools/ci/ignore_build_warnings.txt
@@ -42,13 +42,9 @@ warning: unknown kconfig symbol 'ESPTOOLPY_FLASHSIZE' assigned to '"4MB"' in .*/
 warning: unknown kconfig symbol 'ESPTOOLPY_FLASHSIZE' assigned to '"8MB"' in .*/components/wear_levelling/host_test/sdkconfig.defaults
 warning: unknown kconfig symbol 'ESPTOOLPY_FLASHSIZE' assigned to '"8MB"' in .*/components/fatfs/host_test/sdkconfig.defaults
 warning: unknown kconfig symbol 'ESPTOOLPY_MONITOR_BAUD_921600B' assigned to 'y' in .*/examples/bluetooth/esp_ble_mesh/vendor_models/*
-warning: unknown kconfig symbol 'FMB_TIMER_GROUP' assigned to '0' in .*/examples/protocols/modbus/tcp/*
-warning: unknown kconfig symbol 'FMB_TIMER_INDEX' assigned to '0' in .*/examples/protocols/modbus/tcp/*
-warning: unknown kconfig symbol 'FMB_TIMER_ISR_IN_IRAM' assigned to 'y' in .*/examples/protocols/modbus/*
 warning: unknown kconfig symbol 'LWIP_ETHARP_TRUST_IP_MAC' assigned to 'n' in .*/examples/bluetooth/esp_ble_mesh/*
 warning: unknown kconfig symbol 'LWIP_ETHARP_TRUST_IP_MAC' assigned to 'n' in .*/examples/wifi/iperf/*
 warning: unknown kconfig symbol 'LWIP_ETHARP_TRUST_IP_MAC' assigned to 'n' in .*/idf-app-test/apps/iperf/*
-warning: unknown kconfig symbol 'MB_SLAVE_IP_FROM_STDIN' assigned to 'y' in .*/examples/protocols/modbus/*
 warning: unknown kconfig symbol 'SPI_FLASH_USE_LEGACY_IMPL' assigned to '1' in .*/components/wear_levelling/host_test/sdkconfig.defaults
 warning: unknown kconfig symbol 'SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY' assigned to 'y' in .*/examples/bluetooth/esp_ble_mesh/fast_provisioning/fast_prov_server/sdkconfig.ci.psram
 warning: unknown kconfig symbol 'SPIRAM_FETCH_INSTRUCTIONS' assigned to 'y' in .*/components/spi_flash/test_apps/mspi_test/sdkconfig.ci.psram