diff options
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets/lenovo.c')
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/lenovo.c | 248 |
1 files changed, 232 insertions, 16 deletions
diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/platform/x86/x86-android-tablets/lenovo.c index c297391955ad..1241a97cda39 100644 --- a/drivers/platform/x86/x86-android-tablets/lenovo.c +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c @@ -19,6 +19,7 @@ #include <linux/pinctrl/machine.h> #include <linux/platform_data/lp855x.h> #include <linux/platform_device.h> +#include <linux/power/bq24190_charger.h> #include <linux/reboot.h> #include <linux/rmi.h> #include <linux/spi/spi.h> @@ -58,7 +59,7 @@ static struct lp855x_platform_data lenovo_lp8557_reg_only_pdata = { .initial_brightness = 128, }; -/* Lenovo Yoga Book X90F / X90L's Android factory img has everything hardcoded */ +/* Lenovo Yoga Book X90F / X90L's Android factory image has everything hardcoded */ static const struct property_entry lenovo_yb1_x90_wacom_props[] = { PROPERTY_ENTRY_U32("hid-descr-addr", 0x0001), @@ -177,8 +178,8 @@ static const struct platform_device_info lenovo_yb1_x90_pdevs[] __initconst = { */ static const struct x86_serdev_info lenovo_yb1_x90_serdevs[] __initconst = { { - .ctrl_hid = "8086228A", - .ctrl_uid = "1", + .ctrl.acpi.hid = "8086228A", + .ctrl.acpi.uid = "1", .ctrl_devname = "serial0", .serdev_hid = "BCM2E1A", }, @@ -229,7 +230,7 @@ static struct gpiod_lookup_table * const lenovo_yb1_x90_gpios[] = { NULL }; -static int __init lenovo_yb1_x90_init(void) +static int __init lenovo_yb1_x90_init(struct device *dev) { /* Enable the regulators used by the touchscreens */ @@ -261,7 +262,7 @@ const struct x86_dev_info lenovo_yogabook_x90_info __initconst = { .init = lenovo_yb1_x90_init, }; -/* Lenovo Yoga Book X91F/L Windows tablet needs manual instantiation of the fg client */ +/* Lenovo Yoga Book X91F/L Windows tablet needs manual instantiation of the fuel-gauge client */ static const struct x86_i2c_client_info lenovo_yogabook_x91_i2c_clients[] __initconst = { { /* BQ27542 fuel-gauge */ @@ -280,7 +281,7 @@ const struct x86_dev_info lenovo_yogabook_x91_info __initconst = { .i2c_client_count = ARRAY_SIZE(lenovo_yogabook_x91_i2c_clients), }; -/* Lenovo Yoga Tablet 2 1050F/L's Android factory img has everything hardcoded */ +/* Lenovo Yoga Tablet 2 1050F/L's Android factory image has everything hardcoded */ static const struct property_entry lenovo_yoga_tab2_830_1050_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), @@ -411,7 +412,7 @@ static struct gpiod_lookup_table * const lenovo_yoga_tab2_830_1050_gpios[] = { NULL }; -static int __init lenovo_yoga_tab2_830_1050_init(void); +static int __init lenovo_yoga_tab2_830_1050_init(struct device *dev); static void lenovo_yoga_tab2_830_1050_exit(void); const struct x86_dev_info lenovo_yoga_tab2_830_1050_info __initconst = { @@ -520,9 +521,9 @@ err_put_device: } /* - * These tablet's DSDT does not set acpi_gbl_reduced_hardware, so acpi_power_off + * These tablet's DSDT does not set acpi_gbl_reduced_hardware, so acpi_power_off() * gets used as pm_power_off handler. This causes "poweroff" on these tablets - * to hang hard. Requiring pressing the powerbutton for 30 seconds *twice* + * to hang hard. Requiring pressing the power button for 30 seconds *twice* * followed by a normal 3 second press to recover. Avoid this by doing an EFI * poweroff instead. */ @@ -533,7 +534,7 @@ static int lenovo_yoga_tab2_830_1050_power_off(struct sys_off_data *data) return NOTIFY_DONE; } -static int __init lenovo_yoga_tab2_830_1050_init(void) +static int __init lenovo_yoga_tab2_830_1050_init(struct device *dev) { int ret; @@ -545,7 +546,7 @@ static int __init lenovo_yoga_tab2_830_1050_init(void) if (ret) return ret; - /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off */ + /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off() */ lenovo_yoga_tab2_830_1050_sys_off_handler = register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_FIRMWARE + 1, lenovo_yoga_tab2_830_1050_power_off, NULL); @@ -565,6 +566,221 @@ static void lenovo_yoga_tab2_830_1050_exit(void) } } +/* + * Lenovo Yoga Tablet 2 Pro 1380F/L + * + * The Lenovo Yoga Tablet 2 Pro 1380F/L mostly has the same design as the 830F/L + * and the 1050F/L so this re-uses some of the handling for that from above. + */ +static const char * const lc824206xa_chg_det_psy[] = { "lc824206xa-charger-detect" }; + +static const struct property_entry lenovo_yoga_tab2_1380_bq24190_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lc824206xa_chg_det_psy), + PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node), + PROPERTY_ENTRY_BOOL("omit-battery-class"), + PROPERTY_ENTRY_BOOL("disable-reset"), + { } +}; + +static const struct software_node lenovo_yoga_tab2_1380_bq24190_node = { + .properties = lenovo_yoga_tab2_1380_bq24190_props, +}; + +/* For enabling the bq24190 5V boost based on id-pin */ +static struct regulator_consumer_supply lc824206xa_consumer = { + .supply = "vbus", + .dev_name = "i2c-lc824206xa", +}; + +static const struct regulator_init_data lenovo_yoga_tab2_1380_bq24190_vbus_init_data = { + .constraints = { + .name = "bq24190_vbus", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .consumer_supplies = &lc824206xa_consumer, + .num_consumer_supplies = 1, +}; + +static struct bq24190_platform_data lenovo_yoga_tab2_1380_bq24190_pdata = { + .regulator_init_data = &lenovo_yoga_tab2_1380_bq24190_vbus_init_data, +}; + +static const struct property_entry lenovo_yoga_tab2_1380_lc824206xa_props[] = { + PROPERTY_ENTRY_BOOL("onnn,enable-miclr-for-dcp"), + { } +}; + +static const struct software_node lenovo_yoga_tab2_1380_lc824206xa_node = { + .properties = lenovo_yoga_tab2_1380_lc824206xa_props, +}; + +static const char * const lenovo_yoga_tab2_1380_lms303d_mount_matrix[] = { + "0", "-1", "0", + "-1", "0", "0", + "0", "0", "1" +}; + +static const struct property_entry lenovo_yoga_tab2_1380_lms303d_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", lenovo_yoga_tab2_1380_lms303d_mount_matrix), + { } +}; + +static const struct software_node lenovo_yoga_tab2_1380_lms303d_node = { + .properties = lenovo_yoga_tab2_1380_lms303d_props, +}; + +static const struct x86_i2c_client_info lenovo_yoga_tab2_1380_i2c_clients[] __initconst = { + { + /* BQ27541 fuel-gauge */ + .board_info = { + .type = "bq27541", + .addr = 0x55, + .dev_name = "bq27541", + .swnode = &fg_bq24190_supply_node, + }, + .adapter_path = "\\_SB_.I2C1", + }, { + /* bq24292i battery charger */ + .board_info = { + .type = "bq24190", + .addr = 0x6b, + .dev_name = "bq24292i", + .swnode = &lenovo_yoga_tab2_1380_bq24190_node, + .platform_data = &lenovo_yoga_tab2_1380_bq24190_pdata, + }, + .adapter_path = "\\_SB_.I2C1", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FC:02", + .index = 2, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + .con_id = "bq24292i_irq", + }, + }, { + /* LP8557 Backlight controller */ + .board_info = { + .type = "lp8557", + .addr = 0x2c, + .dev_name = "lp8557", + .platform_data = &lenovo_lp8557_pwm_and_reg_pdata, + }, + .adapter_path = "\\_SB_.I2C3", + }, { + /* LC824206XA Micro USB Switch */ + .board_info = { + .type = "lc824206xa", + .addr = 0x48, + .dev_name = "lc824206xa", + .swnode = &lenovo_yoga_tab2_1380_lc824206xa_node, + }, + .adapter_path = "\\_SB_.I2C3", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FC:02", + .index = 1, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_LOW, + .con_id = "lc824206xa_irq", + }, + }, { + /* AL3320A ambient light sensor */ + .board_info = { + .type = "al3320a", + .addr = 0x1c, + .dev_name = "al3320a", + }, + .adapter_path = "\\_SB_.I2C5", + }, { + /* LSM303DA accelerometer + magnetometer */ + .board_info = { + .type = "lsm303d", + .addr = 0x1d, + .dev_name = "lsm303d", + .swnode = &lenovo_yoga_tab2_1380_lms303d_node, + }, + .adapter_path = "\\_SB_.I2C5", + }, { + /* Synaptics RMI touchscreen */ + .board_info = { + .type = "rmi4_i2c", + .addr = 0x38, + .dev_name = "rmi4_i2c", + .platform_data = &lenovo_yoga_tab2_830_1050_rmi_pdata, + }, + .adapter_path = "\\_SB_.I2C6", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x45, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + }, + } +}; + +static const struct platform_device_info lenovo_yoga_tab2_1380_pdevs[] __initconst = { + { + /* For the Tablet 2 Pro 1380's custom fast charging driver */ + .name = "lenovo-yoga-tab2-pro-1380-fastcharger", + .id = PLATFORM_DEVID_NONE, + }, +}; + +static const char * const lenovo_yoga_tab2_1380_modules[] __initconst = { + "bq24190_charger", /* For the Vbus regulator for lc824206xa */ + NULL +}; + +static int __init lenovo_yoga_tab2_1380_init(struct device *dev) +{ + int ret; + + /* To verify that the DMI matching works vs the 830 / 1050 models */ + pr_info("detected Lenovo Yoga Tablet 2 Pro 1380F/L\n"); + + ret = lenovo_yoga_tab2_830_1050_init_codec(); + if (ret) + return ret; + + /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off() */ + lenovo_yoga_tab2_830_1050_sys_off_handler = + register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_FIRMWARE + 1, + lenovo_yoga_tab2_830_1050_power_off, NULL); + if (IS_ERR(lenovo_yoga_tab2_830_1050_sys_off_handler)) + return PTR_ERR(lenovo_yoga_tab2_830_1050_sys_off_handler); + + return 0; +} + +static struct gpiod_lookup_table lenovo_yoga_tab2_1380_fc_gpios = { + .dev_id = "serial0-0", + .table = { + GPIO_LOOKUP("INT33FC:00", 57, "uart3_txd", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("INT33FC:00", 61, "uart3_rxd", GPIO_ACTIVE_HIGH), + { } + }, +}; + +static struct gpiod_lookup_table * const lenovo_yoga_tab2_1380_gpios[] = { + &lenovo_yoga_tab2_830_1050_codec_gpios, + &lenovo_yoga_tab2_1380_fc_gpios, + NULL +}; + +const struct x86_dev_info lenovo_yoga_tab2_1380_info __initconst = { + .i2c_client_info = lenovo_yoga_tab2_1380_i2c_clients, + .i2c_client_count = ARRAY_SIZE(lenovo_yoga_tab2_1380_i2c_clients), + .pdev_info = lenovo_yoga_tab2_1380_pdevs, + .pdev_count = ARRAY_SIZE(lenovo_yoga_tab2_1380_pdevs), + .gpio_button = &lenovo_yoga_tab2_830_1050_lid, + .gpio_button_count = 1, + .gpiod_lookup_tables = lenovo_yoga_tab2_1380_gpios, + .bat_swnode = &generic_lipo_hv_4v35_battery_node, + .modules = lenovo_yoga_tab2_1380_modules, + .init = lenovo_yoga_tab2_1380_init, + .exit = lenovo_yoga_tab2_830_1050_exit, +}; + /* Lenovo Yoga Tab 3 Pro YT3-X90F */ /* @@ -583,7 +799,7 @@ static const struct software_node fg_bq25890_1_supply_node = { .properties = fg_bq25890_1_supply_props, }; -/* bq25892 charger settings for the flat lipo battery behind the screen */ +/* bq25892 charger settings for the flat LiPo battery behind the screen */ static const struct property_entry lenovo_yt3_bq25892_0_props[] = { PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lenovo_yt3_bq25892_0_suppliers), PROPERTY_ENTRY_U32("linux,iinlim-percentage", 40), @@ -617,7 +833,7 @@ static const struct software_node lenovo_yt3_hideep_ts_node = { static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { { - /* bq27500 fuel-gauge for the flat lipo battery behind the screen */ + /* bq27500 fuel-gauge for the flat LiPo battery behind the screen */ .board_info = { .type = "bq27500", .addr = 0x55, @@ -626,7 +842,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { }, .adapter_path = "\\_SB_.PCI0.I2C1", }, { - /* bq25892 charger for the flat lipo battery behind the screen */ + /* bq25892 charger for the flat LiPo battery behind the screen */ .board_info = { .type = "bq25892", .addr = 0x6b, @@ -643,7 +859,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { .con_id = "bq25892_0_irq", }, }, { - /* bq27500 fuel-gauge for the round li-ion cells in the hinge */ + /* bq27500 fuel-gauge for the round Li-ion cells in the hinge */ .board_info = { .type = "bq27500", .addr = 0x55, @@ -762,7 +978,7 @@ static const struct x86_spi_dev_info lenovo_yt3_spi_devs[] __initconst = { } }; -static int __init lenovo_yt3_init(void) +static int __init lenovo_yt3_init(struct device *dev) { int ret; |