1 // SPDX-License-Identifier: GPL-2.0+
12 #include <power/pmic.h>
13 #include <power/regulator.h>
14 #include <power/pca9450.h>
16 DECLARE_GLOBAL_DATA_PTR;
18 static const struct pmic_child_info pmic_children_info[] = {
20 { .prefix = "b", .driver = PCA9450_REGULATOR_DRIVER},
22 { .prefix = "l", .driver = PCA9450_REGULATOR_DRIVER},
26 static int pca9450_reg_count(struct udevice *dev)
28 return PCA9450_REG_NUM;
31 static int pca9450_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!", dev, reg);
42 static int pca9450_read(struct udevice *dev, uint reg, uint8_t *buff,
45 if (dm_i2c_read(dev, reg, buff, len)) {
46 pr_err("read error from device: %p register: %#x!", dev, reg);
53 static int pca9450_bind(struct udevice *dev)
56 ofnode regulators_node;
58 regulators_node = dev_read_subnode(dev, "regulators");
59 if (!ofnode_valid(regulators_node)) {
60 debug("%s: %s regulators subnode not found!", __func__,
65 debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
67 children = pmic_bind_children(dev, regulators_node,
70 debug("%s: %s - no child found\n", __func__, dev->name);
72 /* Always return success for this device */
76 static struct dm_pmic_ops pca9450_ops = {
77 .reg_count = pca9450_reg_count,
79 .write = pca9450_write,
82 static const struct udevice_id pca9450_ids[] = {
83 { .compatible = "nxp,pca9450a", .data = 0x35, },
84 { .compatible = "nxp,pca9450b", .data = 0x25, },
88 U_BOOT_DRIVER(pmic_pca9450) = {
89 .name = "pca9450 pmic",
91 .of_match = pca9450_ids,