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Viewing changes to roms/u-boot/drivers/power/mfd/muic_max77693.c

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/u-boot/drivers/power/mfd/muic_max77693.c
 
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/*
 
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 * Copyright (C) 2013 Samsung Electronics
 
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 * Piotr Wilczek <p.wilczek@samsung.com>
 
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 *
 
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 * SPDX-License-Identifier:     GPL-2.0+
 
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 */
 
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#include <common.h>
 
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#include <power/pmic.h>
 
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#include <power/power_chrg.h>
 
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#include <power/max77693_muic.h>
 
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#include <i2c.h>
 
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#include <errno.h>
 
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static int power_chrg_get_type(struct pmic *p)
 
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{
 
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        unsigned int val;
 
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        unsigned int charge_type, charger;
 
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        /* if probe failed, return cable none */
 
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        if (pmic_probe(p))
 
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                return CHARGER_NO;
 
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        pmic_reg_read(p, MAX77693_MUIC_STATUS2, &val);
 
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        charge_type = val & MAX77693_MUIC_CHG_MASK;
 
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        switch (charge_type) {
 
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        case MAX77693_MUIC_CHG_NO:
 
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                charger = CHARGER_NO;
 
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                break;
 
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        case MAX77693_MUIC_CHG_USB:
 
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        case MAX77693_MUIC_CHG_USB_D:
 
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                charger = CHARGER_USB;
 
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                break;
 
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        case MAX77693_MUIC_CHG_TA:
 
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        case MAX77693_MUIC_CHG_TA_1A:
 
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                charger = CHARGER_TA;
 
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                break;
 
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        case MAX77693_MUIC_CHG_TA_500:
 
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                charger = CHARGER_TA_500;
 
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                break;
 
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        default:
 
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                charger = CHARGER_UNKNOWN;
 
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                break;
 
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        }
 
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        return charger;
 
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}
 
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static struct power_chrg power_chrg_muic_ops = {
 
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        .chrg_type = power_chrg_get_type,
 
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};
 
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int power_muic_init(unsigned int bus)
 
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{
 
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        static const char name[] = "MAX77693_MUIC";
 
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        struct pmic *p = pmic_alloc();
 
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        if (!p) {
 
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                printf("%s: POWER allocation error!\n", __func__);
 
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                return -ENOMEM;
 
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        }
 
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        debug("Board Micro USB Interface Controller init\n");
 
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        p->name = name;
 
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        p->interface = PMIC_I2C;
 
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        p->number_of_regs = MUIC_NUM_OF_REGS;
 
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        p->hw.i2c.addr = MAX77693_MUIC_I2C_ADDR;
 
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        p->hw.i2c.tx_num = 1;
 
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        p->bus = bus;
 
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        p->chrg = &power_chrg_muic_ops;
 
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        return 0;
 
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}