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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>
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) 2018 Theobroma Systems Design und Consulting GmbH
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*/
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#include <common.h>
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#include <dm.h>
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#include <log.h>
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#include <dm/device-internal.h>
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#include <dm/device_compat.h>
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#include <dm/lists.h>
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#include <i2c.h>
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#include <linux/printk.h>
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#include <power/fan53555.h>
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#include <power/pmic.h>
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#include <power/regulator.h>
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static int pmic_fan53555_reg_count(struct udevice *dev)
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{
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return 1;
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};
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static int pmic_fan53555_read(struct udevice *dev, uint reg,
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u8 *buff, int len)
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{
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if (dm_i2c_read(dev, reg, buff, len)) {
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pr_err("%s: read error for register: %#x!\n", dev->name, 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 pmic_fan53555_write(struct udevice *dev, uint reg,
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const u8 *buff, int len)
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{
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if (dm_i2c_write(dev, reg, buff, len)) {
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pr_err("%s: write error for register: %#x!", dev->name, 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 pmic_fan53555_bind(struct udevice *dev)
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{
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/*
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* The FAN53555 has only a single regulator and therefore doesn't
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* have a subnode. So we have to rebind a child device (the one
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* regulator) here.
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*/
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const char *regulator_driver_name = "fan53555_regulator";
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struct udevice *child;
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struct driver *drv;
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debug("%s\n", __func__);
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drv = lists_driver_lookup_name(regulator_driver_name);
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if (!drv) {
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dev_err(dev, "no driver '%s'\n", regulator_driver_name);
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return -ENOENT;
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}
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return device_bind_with_driver_data(dev, drv, "SW", dev->driver_data,
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dev_ofnode(dev), &child);
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};
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static struct dm_pmic_ops pmic_fan53555_ops = {
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.reg_count = pmic_fan53555_reg_count,
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.read = pmic_fan53555_read,
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.write = pmic_fan53555_write,
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};
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static const struct udevice_id pmic_fan53555_match[] = {
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{ .compatible = "fcs,fan53555", .data = FAN53555_VENDOR_FAIRCHILD, },
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{ .compatible = "silergy,syr827", .data = FAN53555_VENDOR_SILERGY, },
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{ .compatible = "silergy,syr828", .data = FAN53555_VENDOR_SILERGY, },
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{ },
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};
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U_BOOT_DRIVER(pmic_fan53555) = {
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.name = "pmic_fan53555",
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.id = UCLASS_PMIC,
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.of_match = pmic_fan53555_match,
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.bind = pmic_fan53555_bind,
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.ops = &pmic_fan53555_ops,
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};
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