upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
2.2 KiB
94 lines
2.2 KiB
/*
|
|
* Copyright (C) 2015 Freescale Semiconductor, Inc
|
|
* Peng Fan <Peng.Fan@freescale.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/pfuze100_pmic.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static const struct pmic_child_info pmic_children_info[] = {
|
|
/* sw[x], swbst */
|
|
{ .prefix = "s", .driver = PFUZE100_REGULATOR_DRIVER },
|
|
/* vgen[x], vsnvs, vcc, v33, vcc_sd */
|
|
{ .prefix = "v", .driver = PFUZE100_REGULATOR_DRIVER },
|
|
{ },
|
|
};
|
|
|
|
static int pfuze100_reg_count(struct udevice *dev)
|
|
{
|
|
return PFUZE100_NUM_OF_REGS;
|
|
}
|
|
|
|
static int pfuze100_write(struct udevice *dev, uint reg, const uint8_t *buff,
|
|
int len)
|
|
{
|
|
if (dm_i2c_write(dev, reg, buff, len)) {
|
|
error("write error to device: %p register: %#x!", dev, reg);
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pfuze100_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
|
|
{
|
|
if (dm_i2c_read(dev, reg, buff, len)) {
|
|
error("read error from device: %p register: %#x!", dev, reg);
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pfuze100_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;
|
|
}
|
|
|
|
debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
|
|
|
|
children = pmic_bind_children(dev, regulators_node, pmic_children_info);
|
|
if (!children)
|
|
debug("%s: %s - no child found\n", __func__, dev->name);
|
|
|
|
/* Always return success for this device */
|
|
return 0;
|
|
}
|
|
|
|
static struct dm_pmic_ops pfuze100_ops = {
|
|
.reg_count = pfuze100_reg_count,
|
|
.read = pfuze100_read,
|
|
.write = pfuze100_write,
|
|
};
|
|
|
|
static const struct udevice_id pfuze100_ids[] = {
|
|
{ .compatible = "fsl,pfuze100", .data = PFUZE100, },
|
|
{ .compatible = "fsl,pfuze200", .data = PFUZE200, },
|
|
{ .compatible = "fsl,pfuze3000", .data = PFUZE3000, },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(pmic_pfuze100) = {
|
|
.name = "pfuze100 pmic",
|
|
.id = UCLASS_PMIC,
|
|
.of_match = pfuze100_ids,
|
|
.bind = pfuze100_bind,
|
|
.ops = &pfuze100_ops,
|
|
};
|
|
|