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/*
* Copyright (C) 2012 Samsung Electronics
* Rajeshwari Shinde <rajeshwari.s@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <fdtdec.h>
#include <i2c.h>
#include <power/pmic.h>
#include <power/max77686_pmic.h>
#include <errno.h>
DECLARE_GLOBAL_DATA_PTR;
int pmic_init(unsigned char bus)
{
static const char name[] = "MAX77686_PMIC";
struct pmic *p = pmic_alloc();
if (!p) {
printf("%s: POWER allocation error!\n", __func__);
return -ENOMEM;
}
#ifdef CONFIG_OF_CONTROL
const void *blob = gd->fdt_blob;
int node, parent;
node = fdtdec_next_compatible(blob, 0, COMPAT_MAXIM_MAX77686_PMIC);
if (node < 0) {
debug("PMIC: No node for PMIC Chip in device tree\n");
debug("node = %d\n", node);
return -1;
}
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
return -1;
}
p->bus = i2c_get_bus_num_fdt(parent);
if (p->bus < 0) {
debug("%s: Cannot find I2C bus\n", __func__);
return -1;
}
p->hw.i2c.addr = fdtdec_get_int(blob, node, "reg", 9);
#else
p->bus = bus;
p->hw.i2c.addr = MAX77686_I2C_ADDR;
#endif
p->name = name;
p->interface = PMIC_I2C;
p->number_of_regs = PMIC_NUM_OF_REGS;
p->hw.i2c.tx_num = 1;
puts("Board PMIC init\n");
return 0;
}
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