2 * (C) Copyright 2016 Texas Instruments Incorporated, <www.ti.com>
3 * Keerthy <j-keerthy@ti.com>
5 * SPDX-License-Identifier: GPL-2.0+
13 #include <power/pmic.h>
14 #include <power/regulator.h>
15 #include <power/lp873x.h>
16 #include <dm/device.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 static const struct pmic_child_info pmic_children_info[] = {
21 { .prefix = "ldo", .driver = LP873X_LDO_DRIVER },
22 { .prefix = "buck", .driver = LP873X_BUCK_DRIVER },
26 static int lp873x_write(struct udevice *dev, uint reg, const uint8_t *buff,
29 if (dm_i2c_write(dev, reg, buff, len)) {
30 pr_err("write error to device: %p register: %#x!", dev, reg);
37 static int lp873x_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
39 if (dm_i2c_read(dev, reg, buff, len)) {
40 pr_err("read error from device: %p register: %#x!", dev, reg);
47 static int lp873x_bind(struct udevice *dev)
49 ofnode regulators_node;
52 regulators_node = dev_read_subnode(dev, "regulators");
53 if (!ofnode_valid(regulators_node)) {
54 debug("%s: %s regulators subnode not found!", __func__,
59 children = pmic_bind_children(dev, regulators_node, pmic_children_info);
61 printf("%s: %s - no child found\n", __func__, dev->name);
63 /* Always return success for this device */
67 static struct dm_pmic_ops lp873x_ops = {
69 .write = lp873x_write,
72 static const struct udevice_id lp873x_ids[] = {
73 { .compatible = "ti,lp8732", .data = LP8732 },
74 { .compatible = "ti,lp8733" , .data = LP8733 },
78 U_BOOT_DRIVER(pmic_lp873x) = {
79 .name = "lp873x_pmic",
81 .of_match = lp873x_ids,