From c1303c048bd98b6c86f3948d62973f651013be87 Mon Sep 17 00:00:00 2001
From: luar123 <49960470+luar123@users.noreply.github.com>
Date: Tue, 29 Sep 2026 17:50:07 +0200
Subject: [PATCH] [esp32][rp2][esp8266][libretiny]mask gpio flags (1/3)
 (#19393)

---
 esphome/components/esp32/gpio.cpp             | 2 +-
 esphome/components/esp8266/gpio.cpp           | 2 ++
 esphome/components/libretiny/gpio_arduino.cpp | 2 ++
 esphome/components/rp2/gpio.cpp               | 2 ++
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/esphome/components/esp32/gpio.cpp b/esphome/components/esp32/gpio.cpp
index 74665f3126..a00c984f76 100644
--- a/esphome/components/esp32/gpio.cpp
+++ b/esphome/components/esp32/gpio.cpp
@@ -30,7 +30,7 @@ static const gpio_hal_context_t GPIO_HAL = {.dev = GPIO_HAL_GET_HW(GPIO_PORT_0)}
 bool ESP32InternalGPIOPin::isr_service_installed = false;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
 static gpio_mode_t flags_to_mode(gpio::Flags flags) {
-  flags = (gpio::Flags)(flags & ~(gpio::FLAG_PULLUP | gpio::FLAG_PULLDOWN));
+  flags = flags & (gpio::FLAG_INPUT | gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN);
   if (flags == gpio::FLAG_INPUT)
     return GPIO_MODE_INPUT;
   if (flags == gpio::FLAG_OUTPUT)
diff --git a/esphome/components/esp8266/gpio.cpp b/esphome/components/esp8266/gpio.cpp
index a85f054dfe..66ac122f00 100644
--- a/esphome/components/esp8266/gpio.cpp
+++ b/esphome/components/esp8266/gpio.cpp
@@ -8,6 +8,8 @@ namespace esphome::esp8266 {
 static const char *const TAG = "esp8266";
 
 static int flags_to_mode(gpio::Flags flags, uint8_t pin) {
+  flags =
+      flags & (gpio::FLAG_INPUT | gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN | gpio::FLAG_PULLUP | gpio::FLAG_PULLDOWN);
   if (flags == gpio::FLAG_OUTPUT || flags == (gpio::FLAG_OUTPUT | gpio::FLAG_INPUT)) {
     return OUTPUT;
   }
diff --git a/esphome/components/libretiny/gpio_arduino.cpp b/esphome/components/libretiny/gpio_arduino.cpp
index b1a37cb225..ca88835f69 100644
--- a/esphome/components/libretiny/gpio_arduino.cpp
+++ b/esphome/components/libretiny/gpio_arduino.cpp
@@ -8,6 +8,8 @@ namespace esphome::libretiny {
 static const char *const TAG = "libretiny.gpio";
 
 static int IRAM_ATTR flags_to_mode(gpio::Flags flags) {
+  flags =
+      flags & (gpio::FLAG_INPUT | gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN | gpio::FLAG_PULLUP | gpio::FLAG_PULLDOWN);
   if (flags == gpio::FLAG_INPUT) {
     return INPUT;
   } else if (flags == gpio::FLAG_OUTPUT) {
diff --git a/esphome/components/rp2/gpio.cpp b/esphome/components/rp2/gpio.cpp
index 0dbb124a26..b95da9bcdb 100644
--- a/esphome/components/rp2/gpio.cpp
+++ b/esphome/components/rp2/gpio.cpp
@@ -9,6 +9,8 @@ namespace rp2 {
 static const char *const TAG = "rp2";
 
 static int flags_to_mode(gpio::Flags flags, uint8_t pin) {
+  flags =
+      flags & (gpio::FLAG_INPUT | gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN | gpio::FLAG_PULLUP | gpio::FLAG_PULLDOWN);
   if (flags == gpio::FLAG_INPUT) {  // NOLINT(bugprone-branch-clone)
     return INPUT;
   } else if (flags == gpio::FLAG_OUTPUT) {