2 * Copyright (C) 2015 Freescale Semiconductor, Inc
3 * Peng Fan <Peng.Fan@freescale.com>
5 * SPDX-License-Identifier: GPL-2.0+
13 #include <power/pmic.h>
14 #include <power/regulator.h>
15 #include <power/pfuze100_pmic.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 static const struct pmic_child_info pmic_children_info[] = {
21 { .prefix = "s", .driver = PFUZE100_REGULATOR_DRIVER },
22 /* vgen[x], vsnvs, vcc, v33, vcc_sd */
23 { .prefix = "v", .driver = PFUZE100_REGULATOR_DRIVER },
27 static int pfuze100_reg_count(struct udevice *dev)
29 return PFUZE100_NUM_OF_REGS;
32 static int pfuze100_write(struct udevice *dev, uint reg, const uint8_t *buff,
35 if (dm_i2c_write(dev, reg, buff, len)) {
36 error("write error to device: %p register: %#x!", dev, reg);
43 static int pfuze100_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
45 if (dm_i2c_read(dev, reg, buff, len)) {
46 error("read error from device: %p register: %#x!", dev, reg);
53 static int pfuze100_bind(struct udevice *dev)
57 const void *blob = gd->fdt_blob;
59 regulators_node = fdt_subnode_offset(blob, dev->of_offset,
61 if (regulators_node <= 0) {
62 debug("%s: %s regulators subnode not found!", __func__,
67 debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
69 children = pmic_bind_children(dev, regulators_node, pmic_children_info);
71 debug("%s: %s - no child found\n", __func__, dev->name);
73 /* Always return success for this device */
77 static struct dm_pmic_ops pfuze100_ops = {
78 .reg_count = pfuze100_reg_count,
79 .read = pfuze100_read,
80 .write = pfuze100_write,
83 static const struct udevice_id pfuze100_ids[] = {
84 { .compatible = "fsl,pfuze100", .data = PFUZE100, },
85 { .compatible = "fsl,pfuze200", .data = PFUZE200, },
86 { .compatible = "fsl,pfuze3000", .data = PFUZE3000, },
90 U_BOOT_DRIVER(pmic_pfuze100) = {
91 .name = "pfuze100 pmic",
93 .of_match = pfuze100_ids,
94 .bind = pfuze100_bind,