+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2013 Samsung Electronics
- * Piotr Wilczek <p.wilczek@samsung.com>
- */
-
-#include <common.h>
-#include <log.h>
-#include <power/pmic.h>
-#include <power/max77693_pmic.h>
-#include <i2c.h>
-#include <errno.h>
-
-static int max77693_charger_state(struct pmic *p, int state, int current)
-{
- unsigned int val;
-
- if (pmic_probe(p))
- return -ENODEV;
-
- /* unlock write capability */
- val = MAX77693_CHG_UNLOCK;
- pmic_reg_write(p, MAX77693_CHG_CNFG_06, val);
-
- if (state == PMIC_CHARGER_DISABLE) {
- puts("Disable the charger.\n");
- pmic_reg_read(p, MAX77693_CHG_CNFG_00, &val);
- val &= ~0x01;
- pmic_reg_write(p, MAX77693_CHG_CNFG_00, val);
- return -ENOTSUPP;
- }
-
- if (current < CHARGER_MIN_CURRENT || current > CHARGER_MAX_CURRENT) {
- printf("%s: Wrong charge current: %d [mA]\n",
- __func__, current);
- return -EINVAL;
- }
-
- /* set charging current */
- pmic_reg_read(p, MAX77693_CHG_CNFG_02, &val);
- val &= ~MAX77693_CHG_CC;
- val |= current * 10 / 333; /* 0.1A/3 steps */
- pmic_reg_write(p, MAX77693_CHG_CNFG_02, val);
-
- /* enable charging */
- val = MAX77693_CHG_MODE_ON;
- pmic_reg_write(p, MAX77693_CHG_CNFG_00, val);
-
- /* check charging current */
- pmic_reg_read(p, MAX77693_CHG_CNFG_02, &val);
- val &= 0x3f;
- printf("Enable the charger @ %d [mA]\n", val * 333 / 10);
-
- return 0;
-}
-
-static int max77693_charger_bat_present(struct pmic *p)
-{
- unsigned int val;
-
- if (pmic_probe(p))
- return -ENODEV;
-
- pmic_reg_read(p, MAX77693_CHG_INT_OK, &val);
-
- return !(val & MAX77693_CHG_DETBAT);
-}
-
-static struct power_chrg power_chrg_pmic_ops = {
- .chrg_bat_present = max77693_charger_bat_present,
- .chrg_state = max77693_charger_state,
-};
-
-int pmic_init_max77693(unsigned char bus)
-{
- static const char name[] = "MAX77693_PMIC";
- struct pmic *p = pmic_alloc();
-
- if (!p) {
- printf("%s: POWER allocation error!\n", __func__);
- return -ENOMEM;
- }
-
- debug("Board PMIC init\n");
-
- p->name = name;
- p->interface = PMIC_I2C;
- p->number_of_regs = PMIC_NUM_OF_REGS;
- p->hw.i2c.addr = MAX77693_PMIC_I2C_ADDR;
- p->hw.i2c.tx_num = 1;
- p->bus = bus;
-
- p->chrg = &power_chrg_pmic_ops;
-
- return 0;
-}