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 | |