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 error("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 error("read error from device: %p register: %#x!", dev, reg);
47 static int lp873x_bind(struct udevice *dev)
50 const void *blob = gd->fdt_blob;
52 int node = dev_of_offset(dev);
54 regulators_node = fdt_subnode_offset(blob, node, "regulators");
56 if (regulators_node <= 0) {
57 printf("%s: %s reg subnode not found!", __func__, dev->name);
61 children = pmic_bind_children(dev, regulators_node, pmic_children_info);
63 printf("%s: %s - no child found\n", __func__, dev->name);
65 /* Always return success for this device */
69 static struct dm_pmic_ops lp873x_ops = {
71 .write = lp873x_write,
74 static const struct udevice_id lp873x_ids[] = {
75 { .compatible = "ti,lp8732", .data = LP8732 },
76 { .compatible = "ti,lp8733" , .data = LP8733 },
80 U_BOOT_DRIVER(pmic_lp873x) = {
81 .name = "lp873x_pmic",
83 .of_match = lp873x_ids,