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@@ -0,0 +1,98 @@
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+// SPDX-License-Identifier: GPL-2.0+
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+/*
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+ * Copyright 2020 Gateworks Corporation
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+ */
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+#include <common.h>
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+#include <errno.h>
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+#include <dm.h>
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+#include <i2c.h>
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+#include <log.h>
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+#include <power/pmic.h>
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+#include <power/regulator.h>
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+#include <power/mp5416.h>
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+
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+DECLARE_GLOBAL_DATA_PTR;
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+
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+static const struct pmic_child_info pmic_children_info[] = {
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+ /* buck */
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+ { .prefix = "b", .driver = MP6416_REGULATOR_DRIVER },
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+ /* ldo */
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+ { .prefix = "l", .driver = MP6416_REGULATOR_DRIVER },
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+ { },
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+};
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+
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+static int mp5416_reg_count(struct udevice *dev)
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+{
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+ return MP5416_NUM_OF_REGS - 1;
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+}
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+
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+static int mp5416_write(struct udevice *dev, uint reg, const uint8_t *buff,
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+ int len)
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+{
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+ if (dm_i2c_write(dev, reg, buff, len)) {
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+ pr_err("write error to device: %p register: %#x!", dev, reg);
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+ return -EIO;
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+ }
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+
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+ return 0;
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+}
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+
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+static int mp5416_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
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+{
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+ if (dm_i2c_read(dev, reg, buff, len)) {
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+ pr_err("read error from device: %p register: %#x!", dev, reg);
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+ return -EIO;
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+ }
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+
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+ return 0;
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+}
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+
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+static int mp5416_bind(struct udevice *dev)
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+{
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+ int children;
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+ ofnode regulators_node;
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+
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+ debug("%s %s\n", __func__, dev->name);
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+ regulators_node = dev_read_subnode(dev, "regulators");
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+ if (!ofnode_valid(regulators_node)) {
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+ debug("%s: %s regulators subnode not found!\n", __func__,
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+ dev->name);
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+ return -ENXIO;
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+ }
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+
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+ debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
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+
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+ children = pmic_bind_children(dev, regulators_node, pmic_children_info);
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+ if (!children)
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+ debug("%s: %s - no child found\n", __func__, dev->name);
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+
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+ /* Always return success for this device */
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+ return 0;
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+}
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+
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+static int mp5416_probe(struct udevice *dev)
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+{
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+ debug("%s %s\n", __func__, dev->name);
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+
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+ return 0;
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+}
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+
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+static struct dm_pmic_ops mp5416_ops = {
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+ .reg_count = mp5416_reg_count,
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+ .read = mp5416_read,
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+ .write = mp5416_write,
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+};
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+
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+static const struct udevice_id mp5416_ids[] = {
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+ { .compatible = "mps,mp5416", },
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+ { }
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+};
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+
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+U_BOOT_DRIVER(pmic_mp5416) = {
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+ .name = "mp5416 pmic",
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+ .id = UCLASS_PMIC,
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+ .of_match = mp5416_ids,
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+ .bind = mp5416_bind,
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+ .probe = mp5416_probe,
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+ .ops = &mp5416_ops,
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+};
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