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| /*
| * (C) Copyright 2016 Texas Instruments Incorporated, <www.ti.com>
| * Keerthy <j-keerthy@ti.com>
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #include <common.h>
| #include <fdtdec.h>
| #include <errno.h>
| #include <dm.h>
| #include <i2c.h>
| #include <power/pmic.h>
| #include <power/regulator.h>
| #include <power/lp873x.h>
| #include <dm/device.h>
|
| DECLARE_GLOBAL_DATA_PTR;
|
| static const struct pmic_child_info pmic_children_info[] = {
| { .prefix = "ldo", .driver = LP873X_LDO_DRIVER },
| { .prefix = "buck", .driver = LP873X_BUCK_DRIVER },
| { },
| };
|
| static int lp873x_write(struct udevice *dev, uint reg, const uint8_t *buff,
| int len)
| {
| if (dm_i2c_write(dev, reg, buff, len)) {
| pr_err("write error to device: %p register: %#x!", dev, reg);
| return -EIO;
| }
|
| return 0;
| }
|
| static int lp873x_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
| {
| if (dm_i2c_read(dev, reg, buff, len)) {
| pr_err("read error from device: %p register: %#x!", dev, reg);
| return -EIO;
| }
|
| return 0;
| }
|
| static int lp873x_bind(struct udevice *dev)
| {
| ofnode regulators_node;
| int children;
|
| regulators_node = dev_read_subnode(dev, "regulators");
| if (!ofnode_valid(regulators_node)) {
| debug("%s: %s regulators subnode not found!", __func__,
| dev->name);
| return -ENXIO;
| }
|
| children = pmic_bind_children(dev, regulators_node, pmic_children_info);
| if (!children)
| printf("%s: %s - no child found\n", __func__, dev->name);
|
| /* Always return success for this device */
| return 0;
| }
|
| static struct dm_pmic_ops lp873x_ops = {
| .read = lp873x_read,
| .write = lp873x_write,
| };
|
| static const struct udevice_id lp873x_ids[] = {
| { .compatible = "ti,lp8732", .data = LP8732 },
| { .compatible = "ti,lp8733" , .data = LP8733 },
| { }
| };
|
| U_BOOT_DRIVER(pmic_lp873x) = {
| .name = "lp873x_pmic",
| .id = UCLASS_PMIC,
| .of_match = lp873x_ids,
| .bind = lp873x_bind,
| .ops = &lp873x_ops,
| };
|
|
