1 files changed, 37 insertions, 0 deletions
diff --git a/baseboard/corsola/hibernate.c b/baseboard/corsola/hibernate.c
new file mode 100644
index 0000000000..b26bd44adc
--- /dev/null
+++ b/baseboard/corsola/hibernate.c
@@ -0,0 +1,37 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "charger.h"
+#include "driver/charger/isl923x_public.h"
+#include "gpio.h"
+#include "system.h"
+
+/* Hayato board specific hibernate implementation */
+__override void board_hibernate_late(void)
+{
+	/*
+	 * Turn off PP5000_A. Required for devices without Z-state.
+	 * Don't care for devices with Z-state.
+	 */
+	gpio_set_level(GPIO_EN_PP5000_A, 0);
+
+	/*
+	 * GPIO_EN_SLP_Z not implemented in rev0/1,
+	 * fallback to usual hibernate process.
+	 */
+	if (board_get_version() <= 1) {
+		if (IS_ENABLED(BOARD_ASURADA) ||
+			(IS_ENABLED(CONFIG_ZEPHYR) &&
+			IS_ENABLED(CONFIG_BOARD_ASURADA)))
+			return;
+	}
+
+	isl9238c_hibernate(CHARGER_SOLO);
+
+	gpio_set_level(GPIO_EN_SLP_Z, 1);
+
+	/* should not reach here */
+	__builtin_unreachable();
+}