1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2016 Texas Instruments Incorporated, <www.ti.com>
4 * Keerthy <j-keerthy@ti.com>
12 #include <power/pmic.h>
13 #include <power/regulator.h>
14 #include <power/lp873x.h>
15 #include <dm/device.h>
17 static const struct pmic_child_info pmic_children_info[] = {
18 { .prefix = "ldo", .driver = LP873X_LDO_DRIVER },
19 { .prefix = "buck", .driver = LP873X_BUCK_DRIVER },
23 static int lp873x_write(struct udevice *dev, uint reg, const uint8_t *buff,
26 if (dm_i2c_write(dev, reg, buff, len)) {
27 pr_err("write error to device: %p register: %#x!", dev, reg);
34 static int lp873x_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
36 if (dm_i2c_read(dev, reg, buff, len)) {
37 pr_err("read error from device: %p register: %#x!", dev, reg);
44 static int lp873x_bind(struct udevice *dev)
46 ofnode regulators_node;
49 regulators_node = dev_read_subnode(dev, "regulators");
50 if (!ofnode_valid(regulators_node)) {
51 debug("%s: %s regulators subnode not found!", __func__,
56 children = pmic_bind_children(dev, regulators_node, pmic_children_info);
58 printf("%s: %s - no child found\n", __func__, dev->name);
60 /* Always return success for this device */
64 static struct dm_pmic_ops lp873x_ops = {
66 .write = lp873x_write,
69 static const struct udevice_id lp873x_ids[] = {
70 { .compatible = "ti,lp8732", .data = LP8732 },
71 { .compatible = "ti,lp8733" , .data = LP8733 },
75 U_BOOT_DRIVER(pmic_lp873x) = {
76 .name = "lp873x_pmic",
78 .of_match = lp873x_ids,