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 */ 20 const char * const tusb1211_chg_det_psy[] = { "tusb1211-charger-detect" }; 21 const char * const bq24190_psy[] = { "bq24190-charger" }; 22 const char * const bq25890_psy[] = { "bq25890-charger-0" }; 23 24 static const struct property_entry fg_bq24190_supply_props[] = { 25 PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_psy), 26 { } 27 }; 28 29 const struct software_node fg_bq24190_supply_node = { 30 .properties = fg_bq24190_supply_props, 31 }; 32 33 static const struct property_entry fg_bq25890_supply_props[] = { 34 PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq25890_psy), 35 { } 36 }; 37 38 const 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. */ 43 static 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 54 const 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 */ 59 static struct regulator_consumer_supply intel_int3496_consumer = { 60 .supply = "vbus", 61 .dev_name = "intel-int3496", 62 }; 63 64 static 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 73 struct bq24190_platform_data bq24190_pdata = { 74 .regulator_init_data = &bq24190_vbus_init_data, 75 }; 76 77 const 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 */ 84 const 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 92 struct 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 }; 101