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author | Tom Rini <trini@ti.com> | 2013-10-14 11:20:32 -0400 |
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committer | Tom Rini <trini@ti.com> | 2013-10-14 11:20:32 -0400 |
commit | 4fa7613c50069b6821ace02b11a24b46dcbbec5e (patch) | |
tree | b3716d289f6d5e5a2d0ab1200f3312ca101ebb0c /drivers/power/mfd/muic_max77693.c | |
parent | bff4fae4fc29376e62ac6d420b189f23a57e4294 (diff) | |
parent | 5a9120439416a9101dec7c7dc65bb75a5ff09c4e (diff) | |
download | u-boot-imx-4fa7613c50069b6821ace02b11a24b46dcbbec5e.zip u-boot-imx-4fa7613c50069b6821ace02b11a24b46dcbbec5e.tar.gz u-boot-imx-4fa7613c50069b6821ace02b11a24b46dcbbec5e.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'drivers/power/mfd/muic_max77693.c')
-rw-r--r-- | drivers/power/mfd/muic_max77693.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/power/mfd/muic_max77693.c b/drivers/power/mfd/muic_max77693.c new file mode 100644 index 0000000..e71012d --- /dev/null +++ b/drivers/power/mfd/muic_max77693.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * Piotr Wilczek <p.wilczek@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <power/pmic.h> +#include <power/power_chrg.h> +#include <power/max77693_muic.h> +#include <i2c.h> +#include <errno.h> + +static int power_chrg_get_type(struct pmic *p) +{ + unsigned int val; + unsigned int charge_type, charger; + + /* if probe failed, return cable none */ + if (pmic_probe(p)) + return CHARGER_NO; + + pmic_reg_read(p, MAX77693_MUIC_STATUS2, &val); + + charge_type = val & MAX77693_MUIC_CHG_MASK; + + switch (charge_type) { + case MAX77693_MUIC_CHG_NO: + charger = CHARGER_NO; + break; + case MAX77693_MUIC_CHG_USB: + case MAX77693_MUIC_CHG_USB_D: + charger = CHARGER_USB; + break; + case MAX77693_MUIC_CHG_TA: + case MAX77693_MUIC_CHG_TA_1A: + charger = CHARGER_TA; + break; + case MAX77693_MUIC_CHG_TA_500: + charger = CHARGER_TA_500; + break; + default: + charger = CHARGER_UNKNOWN; + break; + } + + return charger; +} + +static struct power_chrg power_chrg_muic_ops = { + .chrg_type = power_chrg_get_type, +}; + +int power_muic_init(unsigned int bus) +{ + static const char name[] = "MAX77693_MUIC"; + struct pmic *p = pmic_alloc(); + + if (!p) { + printf("%s: POWER allocation error!\n", __func__); + return -ENOMEM; + } + + debug("Board Micro USB Interface Controller init\n"); + + p->name = name; + p->interface = PMIC_I2C; + p->number_of_regs = MUIC_NUM_OF_REGS; + p->hw.i2c.addr = MAX77693_MUIC_I2C_ADDR; + p->hw.i2c.tx_num = 1; + p->bus = bus; + + p->chrg = &power_chrg_muic_ops; + + return 0; +} |