Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /* NXP PCF50633 Main Battery Charger Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * (C) 2006-2008 by Openmoko, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Author: Balaji Rao <balajirrao@openmoko.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Broken down from monstrous PCF50633 driver mainly by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Harald Welte, Andy Green and Werner Almesberger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/mfd/pcf50633/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/mfd/pcf50633/mbc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) struct pcf50633_mbc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	struct pcf50633 *pcf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	int adapter_online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	int usb_online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	struct power_supply *usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	struct power_supply *adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	struct power_supply *ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	u8 bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	u8 mbcs2, chgmod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	unsigned int mbcc5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	if (ma >= 1000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		bits = PCF50633_MBCC7_USB_1000mA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		ma = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	} else if (ma >= 500) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		bits = PCF50633_MBCC7_USB_500mA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		ma = 500;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	} else if (ma >= 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		bits = PCF50633_MBCC7_USB_100mA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		ma = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		bits = PCF50633_MBCC7_USB_SUSPEND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		ma = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 					PCF50633_MBCC7_USB_MASK, bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		dev_err(pcf->dev, "error setting usb curlim to %d mA\n", ma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		dev_info(pcf->dev, "usb curlim to %d mA\n", ma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	 * We limit the charging current to be the USB current limit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	 * The reason is that on pcf50633, when it enters PMU Standby mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	 * which it does when the device goes "off", the USB current limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	 * reverts to the variant default.  In at least one common case, that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	 * default is 500mA.  By setting the charging current to be the same
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	 * as the USB limit we set here before PMU standby, we enforce it only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	 * using the correct amount of current even when the USB current limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	 * gets reset to the wrong thing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	if (mbc->pcf->pdata->charger_reference_current_ma) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		mbcc5 = (ma << 8) / mbc->pcf->pdata->charger_reference_current_ma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		if (mbcc5 > 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 			mbcc5 = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	/* If chgmod == BATFULL, setting chgena has no effect.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	 * Datasheet says we need to set resume instead but when autoresume is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	 * used resume doesn't work. Clear and set chgena instead.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	if (chgmod != PCF50633_MBCS2_MBC_BAT_FULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 				PCF50633_MBCC1_CHGENA, PCF50633_MBCC1_CHGENA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		pcf50633_reg_clear_bits(pcf, PCF50633_REG_MBCC1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 				PCF50633_MBCC1_CHGENA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 				PCF50633_MBCC1_CHGENA, PCF50633_MBCC1_CHGENA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	power_supply_changed(mbc->usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) EXPORT_SYMBOL_GPL(pcf50633_mbc_usb_curlim_set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) int pcf50633_mbc_get_status(struct pcf50633 *pcf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	struct pcf50633_mbc *mbc  = platform_get_drvdata(pcf->mbc_pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	int status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	u8 chgmod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	if (!mbc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	chgmod = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		& PCF50633_MBCS2_MBC_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if (mbc->usb_online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		status |= PCF50633_MBC_USB_ONLINE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (chgmod == PCF50633_MBCS2_MBC_USB_PRE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	    chgmod == PCF50633_MBCS2_MBC_USB_PRE_WAIT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	    chgmod == PCF50633_MBCS2_MBC_USB_FAST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	    chgmod == PCF50633_MBCS2_MBC_USB_FAST_WAIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		status |= PCF50633_MBC_USB_ACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	if (mbc->adapter_online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		status |= PCF50633_MBC_ADAPTER_ONLINE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	if (chgmod == PCF50633_MBCS2_MBC_ADP_PRE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	    chgmod == PCF50633_MBCS2_MBC_ADP_PRE_WAIT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	    chgmod == PCF50633_MBCS2_MBC_ADP_FAST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	    chgmod == PCF50633_MBCS2_MBC_ADP_FAST_WAIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		status |= PCF50633_MBC_ADAPTER_ACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) EXPORT_SYMBOL_GPL(pcf50633_mbc_get_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) int pcf50633_mbc_get_usb_online_status(struct pcf50633 *pcf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	struct pcf50633_mbc *mbc  = platform_get_drvdata(pcf->mbc_pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	if (!mbc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	return mbc->usb_online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) EXPORT_SYMBOL_GPL(pcf50633_mbc_get_usb_online_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) show_chgmode(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	u8 mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	u8 chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	return sprintf(buf, "%d\n", chgmod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static DEVICE_ATTR(chgmode, S_IRUGO, show_chgmode, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) show_usblim(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 						PCF50633_MBCC7_USB_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	unsigned int ma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (usblim == PCF50633_MBCC7_USB_1000mA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		ma = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	else if (usblim == PCF50633_MBCC7_USB_500mA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		ma = 500;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	else if (usblim == PCF50633_MBCC7_USB_100mA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		ma = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		ma = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	return sprintf(buf, "%u\n", ma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static ssize_t set_usblim(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	unsigned long ma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	ret = kstrtoul(buf, 10, &ma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	pcf50633_mbc_usb_curlim_set(mbc->pcf, ma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) show_chglim(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	u8 mbcc5 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	unsigned int ma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	if (!mbc->pcf->pdata->charger_reference_current_ma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	ma = (mbc->pcf->pdata->charger_reference_current_ma *  mbcc5) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	return sprintf(buf, "%u\n", ma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static ssize_t set_chglim(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	unsigned long ma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	unsigned int mbcc5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	if (!mbc->pcf->pdata->charger_reference_current_ma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	ret = kstrtoul(buf, 10, &ma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	mbcc5 = (ma << 8) / mbc->pcf->pdata->charger_reference_current_ma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	if (mbcc5 > 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		mbcc5 = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)  * This attribute allows to change MBC charging limit on the fly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)  * independently of usb current limit. It also gets set automatically every
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)  * time usb current limit is changed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static DEVICE_ATTR(chg_curlim, S_IRUGO | S_IWUSR, show_chglim, set_chglim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) static struct attribute *pcf50633_mbc_sysfs_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	&dev_attr_chgmode.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	&dev_attr_usb_curlim.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	&dev_attr_chg_curlim.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) ATTRIBUTE_GROUPS(pcf50633_mbc_sysfs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) pcf50633_mbc_irq_handler(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	struct pcf50633_mbc *mbc = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	/* USB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	if (irq == PCF50633_IRQ_USBINS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		mbc->usb_online = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	} else if (irq == PCF50633_IRQ_USBREM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		mbc->usb_online = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		pcf50633_mbc_usb_curlim_set(mbc->pcf, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	/* Adapter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	if (irq == PCF50633_IRQ_ADPINS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		mbc->adapter_online = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	else if (irq == PCF50633_IRQ_ADPREM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		mbc->adapter_online = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	power_supply_changed(mbc->ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	power_supply_changed(mbc->usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	power_supply_changed(mbc->adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	if (mbc->pcf->pdata->mbc_event_callback)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 		mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static int adapter_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 			enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 			union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		val->intval =  mbc->adapter_online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) static int usb_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 			enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 			union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 						PCF50633_MBCC7_USB_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		val->intval = mbc->usb_online &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 				(usblim <= PCF50633_MBCC7_USB_500mA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) static int ac_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 			enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 			union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 						PCF50633_MBCC7_USB_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 		val->intval = mbc->usb_online &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 				(usblim == PCF50633_MBCC7_USB_1000mA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static enum power_supply_property power_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) static const u8 mbc_irq_handlers[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	PCF50633_IRQ_ADPINS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	PCF50633_IRQ_ADPREM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	PCF50633_IRQ_USBINS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	PCF50633_IRQ_USBREM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	PCF50633_IRQ_BATFULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	PCF50633_IRQ_CHGHALT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	PCF50633_IRQ_THLIMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	PCF50633_IRQ_THLIMOFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	PCF50633_IRQ_USBLIMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	PCF50633_IRQ_USBLIMOFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	PCF50633_IRQ_LOWSYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	PCF50633_IRQ_LOWBAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) static const struct power_supply_desc pcf50633_mbc_adapter_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	.name		= "adapter",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	.type		= POWER_SUPPLY_TYPE_MAINS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	.properties	= power_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	.num_properties	= ARRAY_SIZE(power_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	.get_property	= &adapter_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) static const struct power_supply_desc pcf50633_mbc_usb_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	.name		= "usb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	.type		= POWER_SUPPLY_TYPE_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	.properties	= power_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	.num_properties	= ARRAY_SIZE(power_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	.get_property	= usb_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) static const struct power_supply_desc pcf50633_mbc_ac_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	.name		= "ac",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	.type		= POWER_SUPPLY_TYPE_MAINS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	.properties	= power_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	.num_properties	= ARRAY_SIZE(power_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	.get_property	= ac_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) static int pcf50633_mbc_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	struct power_supply_config psy_cfg = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	struct power_supply_config usb_psy_cfg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	struct pcf50633_mbc *mbc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	u8 mbcs1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	mbc = devm_kzalloc(&pdev->dev, sizeof(*mbc), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	if (!mbc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	platform_set_drvdata(pdev, mbc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	mbc->pcf = dev_to_pcf50633(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	/* Set up IRQ handlers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 		pcf50633_register_irq(mbc->pcf, mbc_irq_handlers[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 					pcf50633_mbc_irq_handler, mbc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	psy_cfg.supplied_to		= mbc->pcf->pdata->batteries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	psy_cfg.num_supplicants		= mbc->pcf->pdata->num_batteries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	psy_cfg.drv_data		= mbc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	/* Create power supplies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	mbc->adapter = power_supply_register(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 					     &pcf50633_mbc_adapter_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 					     &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	if (IS_ERR(mbc->adapter)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 		dev_err(mbc->pcf->dev, "failed to register adapter\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 		return PTR_ERR(mbc->adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	usb_psy_cfg = psy_cfg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	usb_psy_cfg.attr_grp = pcf50633_mbc_sysfs_groups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	mbc->usb = power_supply_register(&pdev->dev, &pcf50633_mbc_usb_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 					 &usb_psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	if (IS_ERR(mbc->usb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 		dev_err(mbc->pcf->dev, "failed to register usb\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 		power_supply_unregister(mbc->adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		return PTR_ERR(mbc->usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	mbc->ac = power_supply_register(&pdev->dev, &pcf50633_mbc_ac_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 					&psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	if (IS_ERR(mbc->ac)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 		dev_err(mbc->pcf->dev, "failed to register ac\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 		power_supply_unregister(mbc->adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 		power_supply_unregister(mbc->usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 		return PTR_ERR(mbc->ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	mbcs1 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	if (mbcs1 & PCF50633_MBCS1_USBPRES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 		pcf50633_mbc_irq_handler(PCF50633_IRQ_USBINS, mbc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	if (mbcs1 & PCF50633_MBCS1_ADAPTPRES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		pcf50633_mbc_irq_handler(PCF50633_IRQ_ADPINS, mbc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) static int pcf50633_mbc_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 	struct pcf50633_mbc *mbc = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	/* Remove IRQ handlers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 		pcf50633_free_irq(mbc->pcf, mbc_irq_handlers[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 	power_supply_unregister(mbc->usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 	power_supply_unregister(mbc->adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	power_supply_unregister(mbc->ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) static struct platform_driver pcf50633_mbc_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 		.name = "pcf50633-mbc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	.probe = pcf50633_mbc_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	.remove = pcf50633_mbc_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) module_platform_driver(pcf50633_mbc_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) MODULE_DESCRIPTION("PCF50633 mbc driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) MODULE_ALIAS("platform:pcf50633-mbc");