1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Freescale Semiconductor, Inc
4 * Peng Fan <Peng.Fan@freescale.com>
13 #include <power/pmic.h>
14 #include <power/regulator.h>
15 #include <power/pfuze100_pmic.h>
16 #include <power/pfuze3000_pmic.h>
18 static const struct pmic_child_info pmic_children_info[] = {
20 { .prefix = "s", .driver = PFUZE100_REGULATOR_DRIVER },
21 /* vgen[x], vsnvs, vcc, v33, vcc_sd */
22 { .prefix = "v", .driver = PFUZE100_REGULATOR_DRIVER },
26 static int pfuze100_reg_count(struct udevice *dev)
28 return dev->driver_data == PFUZE3000 ? PFUZE3000_NUM_OF_REGS : PFUZE100_NUM_OF_REGS;
31 static int pfuze100_write(struct udevice *dev, uint reg, const uint8_t *buff,
34 if (dm_i2c_write(dev, reg, buff, len)) {
35 pr_err("write error to device: %p register: %#x!\n", dev, reg);
42 static int pfuze100_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
44 if (dm_i2c_read(dev, reg, buff, len)) {
45 debug("read error from device: %p register: %#x!\n", dev, reg);
52 static int pfuze100_bind(struct udevice *dev)
54 ofnode regulators_node;
57 regulators_node = dev_read_subnode(dev, "regulators");
58 if (!ofnode_valid(regulators_node)) {
59 debug("%s: %s regulators subnode not found!\n", __func__,
64 debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
66 children = pmic_bind_children(dev, regulators_node, pmic_children_info);
68 debug("%s: %s - no child found\n", __func__, dev->name);
70 /* Always return success for this device */
74 static struct dm_pmic_ops pfuze100_ops = {
75 .reg_count = pfuze100_reg_count,
76 .read = pfuze100_read,
77 .write = pfuze100_write,
80 static const struct udevice_id pfuze100_ids[] = {
81 { .compatible = "fsl,pfuze100", .data = PFUZE100, },
82 { .compatible = "fsl,pfuze200", .data = PFUZE200, },
83 { .compatible = "fsl,pfuze3000", .data = PFUZE3000, },
87 U_BOOT_DRIVER(pmic_pfuze100) = {
88 .name = "pfuze100 pmic",
90 .of_match = pfuze100_ids,
91 .bind = pfuze100_bind,