1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * Shared psy info for X86 tablets which ship with Android as the factory image
  4 * and which have broken DSDT tables. The factory kernels shipped on these
  5 * devices typically have a bunch of things hardcoded, rather than specified
  6 * in their DSDT.
  7 *
  8 * Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com>
  9 */
 10
 11#include <linux/gpio/machine.h>
 12#include <linux/platform_device.h>
 13#include <linux/power/bq24190_charger.h>
 14#include <linux/property.h>
 15#include <linux/regulator/machine.h>
 16
 17#include "shared-psy-info.h"
 18
 19/* Generic / shared charger / battery settings */
 20const char * const tusb1211_chg_det_psy[] = { "tusb1211-charger-detect" };
 21const char * const bq24190_psy[] = { "bq24190-charger" };
 22const char * const bq25890_psy[] = { "bq25890-charger-0" };
 23
 24static const struct property_entry fg_bq24190_supply_props[] = {
 25	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_psy),
 26	{ }
 27};
 28
 29const struct software_node fg_bq24190_supply_node = {
 30	.properties = fg_bq24190_supply_props,
 31};
 32
 33static const struct property_entry fg_bq25890_supply_props[] = {
 34	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq25890_psy),
 35	{ }
 36};
 37
 38const struct software_node fg_bq25890_supply_node = {
 39	.properties = fg_bq25890_supply_props,
 40};
 41
 42/* LiPo HighVoltage (max 4.35V) settings used by most devs with a HV bat. */
 43static const struct property_entry generic_lipo_hv_4v35_battery_props[] = {
 44	PROPERTY_ENTRY_STRING("compatible", "simple-battery"),
 45	PROPERTY_ENTRY_STRING("device-chemistry", "lithium-ion"),
 46	PROPERTY_ENTRY_U32("precharge-current-microamp", 256000),
 47	PROPERTY_ENTRY_U32("charge-term-current-microamp", 128000),
 48	PROPERTY_ENTRY_U32("constant-charge-current-max-microamp", 1856000),
 49	PROPERTY_ENTRY_U32("constant-charge-voltage-max-microvolt", 4352000),
 50	PROPERTY_ENTRY_U32("factory-internal-resistance-micro-ohms", 150000),
 51	{ }
 52};
 53
 54const struct software_node generic_lipo_hv_4v35_battery_node = {
 55	.properties = generic_lipo_hv_4v35_battery_props,
 56};
 57
 58/* For enabling the bq24190 5V boost based on id-pin */
 59static struct regulator_consumer_supply intel_int3496_consumer = {
 60	.supply = "vbus",
 61	.dev_name = "intel-int3496",
 62};
 63
 64static const struct regulator_init_data bq24190_vbus_init_data = {
 65	.constraints = {
 66		.name = "bq24190_vbus",
 67		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 68	},
 69	.consumer_supplies = &intel_int3496_consumer,
 70	.num_consumer_supplies = 1,
 71};
 72
 73struct bq24190_platform_data bq24190_pdata = {
 74	.regulator_init_data = &bq24190_vbus_init_data,
 75};
 76
 77const char * const bq24190_modules[] __initconst = {
 78	"intel_crystal_cove_charger", /* For the bq24190 IRQ */
 79	"bq24190_charger",            /* For the Vbus regulator for intel-int3496 */
 80	NULL
 81};
 82
 83/* Generic pdevs array and gpio-lookups for micro USB ID pin handling */
 84const struct platform_device_info int3496_pdevs[] __initconst = {
 85	{
 86		/* For micro USB ID pin handling */
 87		.name = "intel-int3496",
 88		.id = PLATFORM_DEVID_NONE,
 89	},
 90};
 91
 92struct gpiod_lookup_table int3496_reference_gpios = {
 93	.dev_id = "intel-int3496",
 94	.table = {
 95		GPIO_LOOKUP("INT33FC:01", 15, "vbus", GPIO_ACTIVE_HIGH),
 96		GPIO_LOOKUP("INT33FC:02", 1, "mux", GPIO_ACTIVE_HIGH),
 97		GPIO_LOOKUP("INT33FC:02", 18, "id", GPIO_ACTIVE_HIGH),
 98		{ }
 99	},
100};