46416c619d
The STMP3700 has unreliable vbusvalid irq so we need to use vdd5gtvddio. Therefore, using the vbusvalid bit produces inconsistent results between events and detect. Fix that by making power handle all the usb detect stuff. Change-Id: Ic521b2f6677602e184fe46352c5359f4b4ba8d56
156 lines
5.2 KiB
C
156 lines
5.2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __POWER_IMX233__
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#define __POWER_IMX233__
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#include "system.h"
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#include "system-target.h"
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#include "cpu.h"
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#include "regs/regs-power.h"
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__10mA (1 << 0)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__20mA (1 << 1)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__50mA (1 << 2)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__100mA (1 << 3)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__200mA (1 << 4)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__400mA (1 << 5)
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#define BV_POWER_CHARGE_BATTCHRG_I__10mA (1 << 0)
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#define BV_POWER_CHARGE_BATTCHRG_I__20mA (1 << 1)
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#define BV_POWER_CHARGE_BATTCHRG_I__50mA (1 << 2)
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#define BV_POWER_CHARGE_BATTCHRG_I__100mA (1 << 3)
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#define BV_POWER_CHARGE_BATTCHRG_I__200mA (1 << 4)
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#define BV_POWER_CHARGE_BATTCHRG_I__400mA (1 << 5)
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#define BV_POWER_CHARGE_STOP_ILIMIT__10mA (1 << 0)
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#define BV_POWER_CHARGE_STOP_ILIMIT__20mA (1 << 1)
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#define BV_POWER_CHARGE_STOP_ILIMIT__50mA (1 << 2)
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#define BV_POWER_CHARGE_STOP_ILIMIT__100mA (1 << 3)
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#if IMX233_SUBTARGET >= 3700
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#define HW_POWER_VDDDCTRL__TRG_STEP 25 /* mV */
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#define HW_POWER_VDDDCTRL__TRG_MIN 800 /* mV */
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#define HW_POWER_VDDACTRL__TRG_STEP 25 /* mV */
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#define HW_POWER_VDDACTRL__TRG_MIN 1500 /* mV */
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#define HW_POWER_VDDIOCTRL__TRG_STEP 25 /* mV */
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#define HW_POWER_VDDIOCTRL__TRG_MIN 2800 /* mV */
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#define HW_POWER_VDDMEMCTRL__TRG_STEP 50 /* mV */
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#define HW_POWER_VDDMEMCTRL__TRG_MIN 1700 /* mV */
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#else
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/* don't use the full available range because of the weird encodings for
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* extreme values which are useless anyway */
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#define HW_POWER_VDDDCTRL__TRG_STEP 32 /* mV */
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#define HW_POWER_VDDDCTRL__TRG_MIN 1280 /* mV */
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#define HW_POWER_VDDDCTRL__TRG_OFF 8 /* below 8, the register value doesn't encode linearly */
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#endif
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#define BV_POWER_MISC_FREQSEL__RES 0
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#define BV_POWER_MISC_FREQSEL__20MHz 1
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#define BV_POWER_MISC_FREQSEL__24MHz 2
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#define BV_POWER_MISC_FREQSEL__19p2MHz 3
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#define BV_POWER_MISC_FREQSEL__14p4MHz 4
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#define BV_POWER_MISC_FREQSEL__18MHz 5
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#define BV_POWER_MISC_FREQSEL__21p6MHz 6
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#define BV_POWER_MISC_FREQSEL__17p28MHz 7
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void imx233_power_init(void);
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void imx233_power_set_charge_current(unsigned current); /* in mA */
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void imx233_power_set_stop_current(unsigned current); /* in mA */
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void imx233_power_enable_batadj(bool enable);
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bool imx233_power_usb_detect(void);
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enum imx233_regulator_t
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{
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REGULATOR_VDDD, /* target, brownout, linreg[3700+], linreg offset[3700+] */
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#if IMX233_SUBTARGET >= 3700
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REGULATOR_VDDA, /* target, brownout, linreg, linreg offset */
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REGULATOR_VDDIO, /* target, brownout, linreg offset */
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REGULATOR_VDDMEM, /* target, linreg */
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#endif
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REGULATOR_COUNT,
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};
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void imx233_power_get_regulator(enum imx233_regulator_t reg, unsigned *target_mv,
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unsigned *brownout_mv);
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// WARNING this call will block until voltage is stable
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void imx233_power_set_regulator(enum imx233_regulator_t reg, unsigned target_mv,
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unsigned brownout_mv);
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// offset is -1,0 or 1
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void imx233_power_get_regulator_linreg(enum imx233_regulator_t reg,
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bool *enabled, int *linreg_offset);
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// offset is -1,0 or 1
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void imx233_power_set_regulator_linreg(enum imx233_regulator_t reg,
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bool enabled, int linreg_offset);
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#if IMX233_SUBTARGET >= 3700
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static inline void imx233_power_set_dcdc_freq(bool pll, unsigned freq)
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{
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if(pll)
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BF_WR(POWER_MISC, FREQSEL, freq);
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BF_WR(POWER_MISC, SEL_PLLCLK, pll);
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}
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#endif
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#if IMX233_SUBTARGET < 3700
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/* return -1 on error */
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int imx233_power_sense_die_temperature(int *min, int *max);
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#endif
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struct imx233_power_info_t
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{
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bool dcdc_sel_pllclk; /* clock source of DC-DC: pll or 24MHz xtal */
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int dcdc_freqsel;
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int charge_current;
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int stop_current;
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bool charging;
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bool batt_adj;
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bool _4p2_enable;
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bool _4p2_dcdc;
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int _4p2_cmptrip;
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int _4p2_dropout;
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bool _5v_pwd_charge_4p2;
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int _5v_charge_4p2_limit;
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bool _5v_dcdc_xfer;
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bool _5v_enable_dcdc;
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int _5v_vbusvalid_thr;
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bool _5v_vbusvalid_detect;
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bool _5v_vbus_cmps;
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};
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#define POWER_INFO_DCDC (1 << 4)
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#define POWER_INFO_CHARGE (1 << 5)
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#define POWER_INFO_4P2 (1 << 6)
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#define POWER_INFO_5V (1 << 7)
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#define POWER_INFO_ALL 0xff
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struct imx233_power_info_t imx233_power_get_info(unsigned flags);
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#endif /* __POWER_IMX233__ */
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