1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_palmas.c b/drivers/sysreset/sysreset_palmas.c
new file mode 100644
index 0000000000..9e3aa40348
--- /dev/null
+++ b/drivers/sysreset/sysreset_palmas.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ *  Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com>
+ */
+
+#include <dm.h>
+#include <i2c.h>
+#include <errno.h>
+#include <sysreset.h>
+#include <power/pmic.h>
+#include <power/palmas.h>
+
+static int palmas_sysreset_request(struct udevice *dev,
+				   enum sysreset_t type)
+{
+	struct palmas_priv *priv = dev_get_priv(dev->parent);
+	int ret;
+
+	/*
+	 * Mask INT3 on second page which detects vbus
+	 * or device will immediately turn on.
+	 */
+	ret = dm_i2c_reg_clrset(priv->chip2, PALMAS_INT3_MASK,
+				MASK_VBUS, MASK_VBUS);
+	if (ret < 0)
+		return ret;
+
+	switch (type) {
+	case SYSRESET_POWER:
+		/* PALMAS: SW_RST > DEV_CTRL */
+		pmic_reg_write(dev->parent, PALMAS_DEV_CTRL, SW_RST);
+		break;
+	case SYSRESET_POWER_OFF:
+		/* PALMAS: DEV_OFF > DEV_CTRL */
+		pmic_reg_write(dev->parent, PALMAS_DEV_CTRL, DEV_OFF);
+		break;
+	default:
+		return -EPROTONOSUPPORT;
+	}
+
+	return -EINPROGRESS;
+}
+
+static struct sysreset_ops palmas_sysreset = {
+	.request = palmas_sysreset_request,
+};
+
+U_BOOT_DRIVER(sysreset_palmas) = {
+	.id	= UCLASS_SYSRESET,
+	.name	= PALMAS_RST_DRIVER,
+	.ops	= &palmas_sysreset,
+};