1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_psci.c b/drivers/sysreset/sysreset_psci.c
new file mode 100644
index 00000000000..aa09d0b8827
--- /dev/null
+++ b/drivers/sysreset/sysreset_psci.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Masahiro Yamada <yamada.masahiro@socionext.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <sysreset.h>
+#include <linux/errno.h>
+#include <linux/psci.h>
+
+__weak int psci_sysreset_get_status(struct udevice *dev, char *buf, int size)
+{
+	return -EOPNOTSUPP;
+}
+
+static int psci_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+	switch (type) {
+	case SYSRESET_WARM:
+	case SYSRESET_COLD:
+		psci_sys_reset(type);
+		break;
+	case SYSRESET_POWER_OFF:
+		psci_sys_poweroff();
+		break;
+	default:
+		return -EPROTONOSUPPORT;
+	}
+
+	return -EINPROGRESS;
+}
+
+static struct sysreset_ops psci_sysreset_ops = {
+	.request = psci_sysreset_request,
+	.get_status = psci_sysreset_get_status,
+};
+
+U_BOOT_DRIVER(psci_sysreset) = {
+	.name = "psci-sysreset",
+	.id = UCLASS_SYSRESET,
+	.ops = &psci_sysreset_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};