diff options
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets/asus.c')
-rw-r--r-- | drivers/platform/x86/x86-android-tablets/asus.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/drivers/platform/x86/x86-android-tablets/asus.c b/drivers/platform/x86/x86-android-tablets/asus.c new file mode 100644 index 000000000000..cfa038b44b43 --- /dev/null +++ b/drivers/platform/x86/x86-android-tablets/asus.c @@ -0,0 +1,325 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Board info for Asus X86 tablets which ship with Android as the factory image + * and which have broken DSDT tables. The factory kernels shipped on these + * devices typically have a bunch of things hardcoded, rather than specified + * in their DSDT. + * + * Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com> + */ + +#include <linux/gpio/machine.h> +#include <linux/input.h> +#include <linux/platform_device.h> + +#include "shared-psy-info.h" +#include "x86-android-tablets.h" + +/* Asus ME176C and TF103C tablets shared data */ +static struct gpiod_lookup_table int3496_gpo2_pin22_gpios = { + .dev_id = "intel-int3496", + .table = { + GPIO_LOOKUP("INT33FC:02", 22, "id", GPIO_ACTIVE_HIGH), + { } + }, +}; + +static struct x86_gpio_button asus_me176c_tf103c_lid = { + .button = { + .code = SW_LID, + .active_low = true, + .desc = "lid_sw", + .type = EV_SW, + .wakeup = true, + .debounce_interval = 50, + }, + .chip = "INT33FC:02", + .pin = 12, +}; + +/* Asus ME176C tablets have an Android factory img with everything hardcoded */ +static const char * const asus_me176c_accel_mount_matrix[] = { + "-1", "0", "0", + "0", "1", "0", + "0", "0", "1" +}; + +static const struct property_entry asus_me176c_accel_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", asus_me176c_accel_mount_matrix), + { } +}; + +static const struct software_node asus_me176c_accel_node = { + .properties = asus_me176c_accel_props, +}; + +static const struct property_entry asus_me176c_bq24190_props[] = { + PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", tusb1211_chg_det_psy, 1), + PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node), + PROPERTY_ENTRY_U32("ti,system-minimum-microvolt", 3600000), + PROPERTY_ENTRY_BOOL("omit-battery-class"), + PROPERTY_ENTRY_BOOL("disable-reset"), + { } +}; + +static const struct software_node asus_me176c_bq24190_node = { + .properties = asus_me176c_bq24190_props, +}; + +static const struct property_entry asus_me176c_ug3105_props[] = { + PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", bq24190_psy, 1), + PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node), + PROPERTY_ENTRY_U32("upisemi,rsns-microohm", 10000), + { } +}; + +static const struct software_node asus_me176c_ug3105_node = { + .properties = asus_me176c_ug3105_props, +}; + +static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = { + { + /* bq24297 battery charger */ + .board_info = { + .type = "bq24190", + .addr = 0x6b, + .dev_name = "bq24297", + .swnode = &asus_me176c_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", + .swnode = &asus_me176c_ug3105_node, + }, + .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_me176c_accel_node, + }, + .adapter_path = "\\_SB_.I2C5", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x44, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_LOW, + }, + }, { + /* goodix touchscreen */ + .board_info = { + .type = "GDIX1001:00", + .addr = 0x14, + .dev_name = "goodix_ts", + }, + .adapter_path = "\\_SB_.I2C6", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x45, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_LOW, + }, + }, +}; + +static const struct x86_serdev_info asus_me176c_serdevs[] __initconst = { + { + .ctrl_hid = "80860F0A", + .ctrl_uid = "2", + .ctrl_devname = "serial0", + .serdev_hid = "BCM2E3A", + }, +}; + +static struct gpiod_lookup_table asus_me176c_goodix_gpios = { + .dev_id = "i2c-goodix_ts", + .table = { + GPIO_LOOKUP("INT33FC:00", 60, "reset", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("INT33FC:02", 28, "irq", GPIO_ACTIVE_HIGH), + { } + }, +}; + +static struct gpiod_lookup_table * const asus_me176c_gpios[] = { + &int3496_gpo2_pin22_gpios, + &asus_me176c_goodix_gpios, + NULL +}; + +const struct x86_dev_info asus_me176c_info __initconst = { + .i2c_client_info = asus_me176c_i2c_clients, + .i2c_client_count = ARRAY_SIZE(asus_me176c_i2c_clients), + .pdev_info = int3496_pdevs, + .pdev_count = 1, + .serdev_info = asus_me176c_serdevs, + .serdev_count = ARRAY_SIZE(asus_me176c_serdevs), + .gpio_button = &asus_me176c_tf103c_lid, + .gpiod_lookup_tables = asus_me176c_gpios, + .bat_swnode = &generic_lipo_hv_4v35_battery_node, + .modules = bq24190_modules, + .invalid_aei_gpiochip = "INT33FC:02", +}; + +/* 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 property_entry asus_tf103c_battery_props[] = { + PROPERTY_ENTRY_STRING("compatible", "simple-battery"), + PROPERTY_ENTRY_STRING("device-chemistry", "lithium-ion-polymer"), + PROPERTY_ENTRY_U32("precharge-current-microamp", 256000), + PROPERTY_ENTRY_U32("charge-term-current-microamp", 128000), + PROPERTY_ENTRY_U32("constant-charge-current-max-microamp", 2048000), + PROPERTY_ENTRY_U32("constant-charge-voltage-max-microvolt", 4208000), + PROPERTY_ENTRY_U32("factory-internal-resistance-micro-ohms", 150000), + { } +}; + +static const struct software_node asus_tf103c_battery_node = { + .properties = asus_tf103c_battery_props, +}; + +static const struct property_entry asus_tf103c_bq24190_props[] = { + PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", tusb1211_chg_det_psy, 1), + PROPERTY_ENTRY_REF("monitored-battery", &asus_tf103c_battery_node), + PROPERTY_ENTRY_U32("ti,system-minimum-microvolt", 3600000), + PROPERTY_ENTRY_BOOL("omit-battery-class"), + PROPERTY_ENTRY_BOOL("disable-reset"), + { } +}; + +static const struct software_node asus_tf103c_bq24190_node = { + .properties = asus_tf103c_bq24190_props, +}; + +static const struct property_entry asus_tf103c_ug3105_props[] = { + PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", bq24190_psy, 1), + PROPERTY_ENTRY_REF("monitored-battery", &asus_tf103c_battery_node), + PROPERTY_ENTRY_U32("upisemi,rsns-microohm", 5000), + { } +}; + +static const struct software_node asus_tf103c_ug3105_node = { + .properties = asus_tf103c_ug3105_props, +}; + +static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = { + { + /* bq24297 battery charger */ + .board_info = { + .type = "bq24190", + .addr = 0x6b, + .dev_name = "bq24297", + .swnode = &asus_tf103c_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", + .swnode = &asus_tf103c_ug3105_node, + }, + .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 * const asus_tf103c_gpios[] = { + &int3496_gpo2_pin22_gpios, + NULL +}; + +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 = 1, + .gpio_button = &asus_me176c_tf103c_lid, + .gpiod_lookup_tables = asus_tf103c_gpios, + .bat_swnode = &asus_tf103c_battery_node, + .modules = bq24190_modules, + .invalid_aei_gpiochip = "INT33FC:02", +}; |