Import of the watch repository from Pebble

platform/silk/boot/src/drivers/pmic.h

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+//! Initialize the PMIC driver. Call this once at startup.
+bool pmic_init(void);
+
+//! Whether or not the usb charger is detected by the pmic.
+bool pmic_is_usb_connected(void);
+
+//! Returns true if this boot was caused by a charger event from standby, but
+//! there is no charger connected.
+bool pmic_boot_due_to_charger_disconnect(void);
+
+//! Enter what we consider to be a "powered off" state, which is the as3701
+//! standby state, where we keep the RTC powered.
+bool pmic_power_off(void);
+
+//! Fully shut down the as3701, which does not power the RTC.
+bool pmic_full_power_off(void);