mirror of
https://github.com/brain-hackers/u-boot-brain
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d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/*
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* Copyright (c) 2015 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <fdtdec.h>
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#include <i2c.h>
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#include <power/pmic.h>
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#include <power/tps65090.h>
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static const struct pmic_child_info pmic_children_info[] = {
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{ .prefix = "fet", .driver = TPS65090_FET_DRIVER },
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{ },
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};
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static int tps65090_reg_count(struct udevice *dev)
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{
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return TPS65090_NUM_REGS;
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}
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static int tps65090_write(struct udevice *dev, uint reg, const uint8_t *buff,
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int len)
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{
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if (dm_i2c_write(dev, reg, buff, len)) {
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pr_err("write error to device: %p register: %#x!", dev, reg);
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return -EIO;
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}
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return 0;
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}
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static int tps65090_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
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{
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int ret;
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ret = dm_i2c_read(dev, reg, buff, len);
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if (ret) {
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pr_err("read error %d from device: %p register: %#x!", ret, dev,
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reg);
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return -EIO;
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}
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return 0;
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}
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static int tps65090_bind(struct udevice *dev)
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{
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ofnode regulators_node;
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int children;
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regulators_node = dev_read_subnode(dev, "regulators");
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if (!ofnode_valid(regulators_node)) {
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debug("%s: %s regulators subnode not found!", __func__,
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dev->name);
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return -ENXIO;
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}
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debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
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children = pmic_bind_children(dev, regulators_node, pmic_children_info);
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if (!children)
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debug("%s: %s - no child found\n", __func__, dev->name);
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/* Always return success for this device */
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return 0;
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}
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static struct dm_pmic_ops tps65090_ops = {
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.reg_count = tps65090_reg_count,
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.read = tps65090_read,
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.write = tps65090_write,
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};
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static const struct udevice_id tps65090_ids[] = {
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{ .compatible = "ti,tps65090" },
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{ }
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};
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U_BOOT_DRIVER(pmic_tps65090) = {
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.name = "tps65090 pmic",
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.id = UCLASS_PMIC,
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.of_match = tps65090_ids,
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.bind = tps65090_bind,
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.ops = &tps65090_ops,
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};
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