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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>
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Freescale Semiconductor, Inc
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* Peng Fan <Peng.Fan@freescale.com>
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*/
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#include <common.h>
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#include <fdtdec.h>
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#include <errno.h>
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#include <dm.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/regulator.h>
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#include <power/pfuze100_pmic.h>
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#include <power/pfuze3000_pmic.h>
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static const struct pmic_child_info pmic_children_info[] = {
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/* sw[x], swbst */
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{ .prefix = "s", .driver = PFUZE100_REGULATOR_DRIVER },
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/* vgen[x], vsnvs, vcc, v33, vcc_sd */
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{ .prefix = "v", .driver = PFUZE100_REGULATOR_DRIVER },
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{ },
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};
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static int pfuze100_reg_count(struct udevice *dev)
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{
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return dev->driver_data == PFUZE3000 ? PFUZE3000_NUM_OF_REGS : PFUZE100_NUM_OF_REGS;
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}
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static int pfuze100_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 pfuze100_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
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{
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if (dm_i2c_read(dev, reg, buff, len)) {
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debug("read error from 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 pfuze100_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 pfuze100_ops = {
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.reg_count = pfuze100_reg_count,
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.read = pfuze100_read,
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.write = pfuze100_write,
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};
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static const struct udevice_id pfuze100_ids[] = {
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{ .compatible = "fsl,pfuze100", .data = PFUZE100, },
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{ .compatible = "fsl,pfuze200", .data = PFUZE200, },
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{ .compatible = "fsl,pfuze3000", .data = PFUZE3000, },
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{ }
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};
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U_BOOT_DRIVER(pmic_pfuze100) = {
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.name = "pfuze100 pmic",
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.id = UCLASS_PMIC,
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.of_match = pfuze100_ids,
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.bind = pfuze100_bind,
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.ops = &pfuze100_ops,
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};
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