[esp_ldo] Component schema; default priority (#9479)

esphome/components/esp_ldo/__init__.py

@@ -20,6 +20,7 @@ adjusted_ids = set()
 
 CONFIG_SCHEMA = cv.All(
     cv.ensure_list(
+        cv.COMPONENT_SCHEMA.extend(
             {
                 cv.GenerateID(): cv.declare_id(EspLdo),
                 cv.Required(CONF_VOLTAGE): cv.All(
@@ -28,6 +29,7 @@ CONFIG_SCHEMA = cv.All(
                 cv.Required(CONF_CHANNEL): cv.one_of(*CHANNELS, int=True),
                 cv.Optional(CONF_ADJUSTABLE, default=False): cv.boolean,
             }
+        )
     ),
     cv.only_with_esp_idf,
     only_on_variant(supported=[VARIANT_ESP32P4]),

esphome/components/esp_ldo/esp_ldo.h

@@ -17,6 +17,9 @@ class EspLdo : public Component {
   void set_adjustable(bool adjustable) { this->adjustable_ = adjustable; }
   void set_voltage(float voltage) { this->voltage_ = voltage; }
   void adjust_voltage(float voltage);
+  float get_setup_priority() const override {
+    return setup_priority::BUS;  // LDO setup should be done early
+  }
 
  protected:
   int channel_;

tests/components/esp_ldo/test.esp32-p4-idf.yaml

@@ -6,6 +6,7 @@ esp_ldo:
   - id: ldo_4
     channel: 4
     voltage: 2.0V
+    setup_priority: 900
 
 esphome:
   on_boot: