diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/drivers/platform/x86/x86-android-tablets.c b/drivers/platform/x86/x86-android-tablets.c index 3c01c8607c26..1f4300e837c6 100644 --- a/drivers/platform/x86/x86-android-tablets.c +++ b/drivers/platform/x86/x86-android-tablets.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/platform_device.h> +#include <linux/power/bq24190_charger.h> #include <linux/serdev.h> #include <linux/string.h> /* For gpio_get_desc() which is EXPORT_SYMBOL_GPL() */ @@ -152,6 +153,162 @@ struct x86_dev_info { int serdev_count; }; +/* Generic / shared bq24190 settings */ +static const char * const bq24190_suppliers[] = { "tusb1210-psy" }; + +static const struct property_entry bq24190_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers), + PROPERTY_ENTRY_BOOL("omit-battery-class"), + PROPERTY_ENTRY_BOOL("disable-reset"), + { } +}; + +static const struct software_node bq24190_node = { + .properties = bq24190_props, +}; + +/* For enableing the bq24190 5V boost based on id-pin */ +static struct regulator_consumer_supply intel_int3496_consumer = { + .supply = "vbus", + .dev_name = "intel-int3496", +}; + +static const struct regulator_init_data bq24190_vbus_init_data = { + .constraints = { + .name = "bq24190_vbus", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .consumer_supplies = &intel_int3496_consumer, + .num_consumer_supplies = 1, +}; + +static struct bq24190_platform_data bq24190_pdata = { + .regulator_init_data = &bq24190_vbus_init_data, +}; + +static const char * const bq24190_modules[] __initconst = { + "crystal_cove_charger", /* For the bq24190 IRQ */ + "bq24190_charger", /* For the Vbus regulator for intel-int3496 */ + NULL +}; + +/* Generic pdevs array and gpio-lookups for micro USB ID pin handling */ +static const struct platform_device_info int3496_pdevs[] __initconst = { + { + /* For micro USB ID pin handling */ + .name = "intel-int3496", + .id = PLATFORM_DEVID_NONE, + }, +}; + +static struct gpiod_lookup_table int3496_gpo2_pin22_gpios = { + .dev_id = "intel-int3496", + .table = { + GPIO_LOOKUP("INT33FC:02", 22, "id", GPIO_ACTIVE_HIGH), + { } + }, +}; + +/* Asus TF103C tablets have an Android factory img with everything hardcoded */ +static const char * const asus_tf103c_accel_mount_matrix[] = { + "0", "-1", "0", + "-1", "0", "0", + "0", "0", "1" +}; + +static const struct property_entry asus_tf103c_accel_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", asus_tf103c_accel_mount_matrix), + { } +}; + +static const struct software_node asus_tf103c_accel_node = { + .properties = asus_tf103c_accel_props, +}; + +static const struct property_entry asus_tf103c_touchscreen_props[] = { + PROPERTY_ENTRY_STRING("compatible", "atmel,atmel_mxt_ts"), + { } +}; + +static const struct software_node asus_tf103c_touchscreen_node = { + .properties = asus_tf103c_touchscreen_props, +}; + +static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = { + { + /* bq24190 battery charger */ + .board_info = { + .type = "bq24190", + .addr = 0x6b, + .dev_name = "bq24190", + .swnode = &bq24190_node, + .platform_data = &bq24190_pdata, + }, + .adapter_path = "\\_SB_.I2C1", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_PMIC, + .chip = "\\_SB_.I2C7.PMIC", + .domain = DOMAIN_BUS_WAKEUP, + .index = 0, + }, + }, { + /* ug3105 battery monitor */ + .board_info = { + .type = "ug3105", + .addr = 0x70, + .dev_name = "ug3105", + }, + .adapter_path = "\\_SB_.I2C1", + }, { + /* ak09911 compass */ + .board_info = { + .type = "ak09911", + .addr = 0x0c, + .dev_name = "ak09911", + }, + .adapter_path = "\\_SB_.I2C5", + }, { + /* kxtj21009 accel */ + .board_info = { + .type = "kxtj21009", + .addr = 0x0f, + .dev_name = "kxtj21009", + .swnode = &asus_tf103c_accel_node, + }, + .adapter_path = "\\_SB_.I2C5", + }, { + /* atmel touchscreen */ + .board_info = { + .type = "atmel_mxt_ts", + .addr = 0x4a, + .dev_name = "atmel_mxt_ts", + .swnode = &asus_tf103c_touchscreen_node, + }, + .adapter_path = "\\_SB_.I2C6", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FC:02", + .index = 28, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_LOW, + }, + }, +}; + +static struct gpiod_lookup_table *asus_tf103c_gpios[] = { + &int3496_gpo2_pin22_gpios, + NULL +}; + +static const struct x86_dev_info asus_tf103c_info __initconst = { + .i2c_client_info = asus_tf103c_i2c_clients, + .i2c_client_count = ARRAY_SIZE(asus_tf103c_i2c_clients), + .pdev_info = int3496_pdevs, + .pdev_count = ARRAY_SIZE(int3496_pdevs), + .gpiod_lookup_tables = asus_tf103c_gpios, + .modules = bq24190_modules, +}; + /* * When booted with the BIOS set to Android mode the Chuwi Hi8 (CWI509) DSDT * contains a whole bunch of bogus ACPI I2C devices and is missing entries @@ -269,6 +426,14 @@ static const struct x86_dev_info xiaomi_mipad2_info __initconst = { static const struct dmi_system_id x86_android_tablet_ids[] __initconst = { { + /* Asus TF103C */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"), + }, + .driver_data = (void *)&asus_tf103c_info, + }, + { /* Chuwi Hi8 (CWI509) */ .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), |