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https://github.com/AsahiLinux/u-boot
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1e94b46f73
This old patch was marked as deferred. Bring it back to life, to continue towards the removal of common.h Move this out of the common header and include it only where needed. Signed-off-by: Simon Glass <sjg@chromium.org>
91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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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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#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 <log.h>
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#include <linux/printk.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!\n", 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!\n", ret,
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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_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!\n", __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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