[pcf8574][pca9554] Add optional interrupt pin to eliminate polling (#15444)

tests/components/pca9554/common.yaml

@@ -3,6 +3,11 @@ pca9554:
     i2c_id: i2c_bus
     pin_count: 8
     address: 0x3F
+  - id: pca9554_hub_int
+    i2c_id: i2c_bus
+    pin_count: 8
+    address: 0x3E
+    interrupt_pin: ${interrupt_pin}
 
 binary_sensor:
   - platform: gpio

tests/components/pca9554/test.esp32-idf.yaml

@@ -1,3 +1,6 @@
+substitutions:
+  interrupt_pin: GPIO15
+
 packages:
   i2c: !include ../../test_build_components/common/i2c/esp32-idf.yaml
 

tests/components/pca9554/test.esp8266-ard.yaml

@@ -1,3 +1,6 @@
+substitutions:
+  interrupt_pin: GPIO15
+
 packages:
   i2c: !include ../../test_build_components/common/i2c/esp8266-ard.yaml
 

tests/components/pca9554/test.rp2040-ard.yaml

@@ -1,3 +1,6 @@
+substitutions:
+  interrupt_pin: GPIO2
+
 packages:
   i2c: !include ../../test_build_components/common/i2c/rp2040-ard.yaml
 

tests/components/pcf8574/common.yaml

@@ -3,6 +3,11 @@ pcf8574:
     i2c_id: i2c_bus
     address: 0x21
     pcf8575: false
+  - id: pcf8574_hub_int
+    i2c_id: i2c_bus
+    address: 0x22
+    pcf8575: false
+    interrupt_pin: ${interrupt_pin}
 
 binary_sensor:
   - platform: gpio

tests/components/pcf8574/test.esp32-idf.yaml

@@ -1,3 +1,6 @@
+substitutions:
+  interrupt_pin: GPIO15
+
 packages:
   i2c: !include ../../test_build_components/common/i2c/esp32-idf.yaml
 

tests/components/pcf8574/test.esp8266-ard.yaml

@@ -1,3 +1,6 @@
+substitutions:
+  interrupt_pin: GPIO15
+
 packages:
   i2c: !include ../../test_build_components/common/i2c/esp8266-ard.yaml
 

tests/components/pcf8574/test.rp2040-ard.yaml

@@ -1,3 +1,6 @@
+substitutions:
+  interrupt_pin: GPIO2
+
 packages:
   i2c: !include ../../test_build_components/common/i2c/rp2040-ard.yaml