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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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3988043b0e
The AC charger plug-in detection while booting causes I2C read failure if AC charger is not connected. Now the LPN pin is enabled for every PM2301 register access, which solves the issue. Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Vijaya Kumar K-1 <vijay.kilari@stericsson.com> Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
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* PM2301 charger driver.
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*
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* Copyright (C) 2012 ST Ericsson Corporation
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*
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* Contact: Olivier LAUNAY (olivier.launay@stericsson.com
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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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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef __LINUX_PM2301_H
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#define __LINUX_PM2301_H
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/**
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* struct pm2xxx_bm_charger_parameters - Charger specific parameters
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* @ac_volt_max: maximum allowed AC charger voltage in mV
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* @ac_curr_max: maximum allowed AC charger current in mA
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*/
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struct pm2xxx_bm_charger_parameters {
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int ac_volt_max;
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int ac_curr_max;
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};
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/**
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* struct pm2xxx_bm_data - pm2xxx battery management data
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* @enable_overshoot flag to enable VBAT overshoot control
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* @chg_params charger parameters
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*/
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struct pm2xxx_bm_data {
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bool enable_overshoot;
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const struct pm2xxx_bm_charger_parameters *chg_params;
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};
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struct pm2xxx_charger_platform_data {
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char **supplied_to;
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size_t num_supplicants;
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int i2c_bus;
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const char *label;
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int irq_number;
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unsigned int lpn_gpio;
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int irq_type;
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};
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struct pm2xxx_platform_data {
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struct pm2xxx_charger_platform_data *wall_charger;
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struct pm2xxx_bm_data *battery;
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};
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#endif /* __LINUX_PM2301_H */
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