# --- T2-COPYRIGHT-NOTE-BEGIN ---
# T2 SDE: package/*/linux/0200-riscv-sifive-reboot.patch
# Copyright (C) 2021 - 2022 The T2 SDE Project
# 
# This Copyright note is generated by scripts/Create-CopyPatch,
# more information can be found in the files COPYING and README.
# 
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License version 2 as used by the T2 SDE.
# --- T2-COPYRIGHT-NOTE-END ---

--- ./include/linux/mfd/da9063/core.h.orig	2021-07-20 11:58:26.803336163 +0200
+++ ./include/linux/mfd/da9063/core.h	2021-07-20 11:59:01.951257914 +0200
@@ -85,6 +85,9 @@
 	int		chip_irq;
 	unsigned int	irq_base;
 	struct regmap_irq_chip_data *regmap_irq;
+
+	/* Restart */
+	struct notifier_block restart_handler;
 };
 
 int da9063_device_init(struct da9063 *da9063, unsigned int irq);
--- ./drivers/mfd/da9063-core.c.orig	2021-07-20 12:00:24.843080267 +0200
+++ ./drivers/mfd/da9063-core.c	2021-07-20 14:55:59.528014000 +0200
@@ -20,6 +20,7 @@
 #include <linux/mutex.h>
 #include <linux/mfd/core.h>
 #include <linux/regmap.h>
+#include <linux/reboot.h>
 
 #include <linux/mfd/da9063/core.h>
 #include <linux/mfd/da9063/registers.h>
@@ -158,6 +159,20 @@
 	return ret;
 }
 
+static int da9063_restart_notify(struct notifier_block *this,
+                                unsigned long mode, void *cmd)
+{
+  struct da9063 *da9063 = container_of(this, struct da9063, restart_handler);
+
+  regmap_write(da9063->regmap, DA9063_REG_PAGE_CON, 0x00);
+  regmap_write(da9063->regmap, DA9063_AD_REG_ALARM_Y, 0x20);
+  regmap_write(da9063->regmap, DA9063_AD_REG_SECOND_A, 0x80);
+  regmap_write(da9063->regmap, DA9063_REG_EVENT_A, 0x4);
+  regmap_write(da9063->regmap, DA9063_REG_CONTROL_F, 0x2);
+
+  return NOTIFY_DONE;
+}
+
 int da9063_device_init(struct da9063 *da9063, unsigned int irq)
 {
 	int ret;
@@ -197,6 +212,12 @@
 		}
 	}
 
+	da9063->restart_handler.notifier_call = da9063_restart_notify;
+	da9063->restart_handler.priority = 129;
+	ret = register_restart_handler(&da9063->restart_handler);
+	if (ret) dev_err(da9063->dev, "Failed to register restart handler\n");
+	else devm_add_action(da9063->dev, (void(*)(void*))unregister_restart_handler, &da9063->restart_handler);
+
 	return ret;
 }