diff options
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets/other.c')
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/other.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/platform/x86/x86-android-tablets/other.c b/drivers/platform/x86/x86-android-tablets/other.c index 7db8aa58b907..725948044da4 100644 --- a/drivers/platform/x86/x86-android-tablets/other.c +++ b/drivers/platform/x86/x86-android-tablets/other.c @@ -12,6 +12,7 @@ #include <linux/gpio/machine.h> #include <linux/input.h> #include <linux/leds.h> +#include <linux/pci.h> #include <linux/platform_device.h> #include <linux/pwm.h> @@ -598,6 +599,168 @@ const struct x86_dev_info whitelabel_tm800a550l_info __initconst = { }; /* + * Vexia EDU ATLA 10 tablet, Android 4.2 / 4.4 + Guadalinex Ubuntu tablet + * distributed to schools in the Spanish Andalucía region. + */ +const char * const crystal_cove_pwrsrc_psy[] = { "crystal_cove_pwrsrc" }; + +static const struct property_entry vexia_edu_atla10_ulpmc_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("supplied-from", crystal_cove_pwrsrc_psy), + { } +}; + +const struct software_node vexia_edu_atla10_ulpmc_node = { + .properties = vexia_edu_atla10_ulpmc_props, +}; + +static const char * const vexia_edu_atla10_accel_mount_matrix[] = { + "0", "-1", "0", + "1", "0", "0", + "0", "0", "1" +}; + +static const struct property_entry vexia_edu_atla10_accel_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", vexia_edu_atla10_accel_mount_matrix), + { } +}; + +static const struct software_node vexia_edu_atla10_accel_node = { + .properties = vexia_edu_atla10_accel_props, +}; + +static const struct property_entry vexia_edu_atla10_touchscreen_props[] = { + PROPERTY_ENTRY_U32("hid-descr-addr", 0x0000), + PROPERTY_ENTRY_U32("post-reset-deassert-delay-ms", 120), + { } +}; + +static const struct software_node vexia_edu_atla10_touchscreen_node = { + .properties = vexia_edu_atla10_touchscreen_props, +}; + +static const struct property_entry vexia_edu_atla10_pmic_props[] = { + PROPERTY_ENTRY_BOOL("linux,register-pwrsrc-power_supply"), + { } +}; + +static const struct software_node vexia_edu_atla10_pmic_node = { + .properties = vexia_edu_atla10_pmic_props, +}; + +static const struct x86_i2c_client_info vexia_edu_atla10_i2c_clients[] __initconst = { + { + /* I2C attached embedded controller, used to access fuel-gauge */ + .board_info = { + .type = "vexia_atla10_ec", + .addr = 0x76, + .dev_name = "ulpmc", + .swnode = &vexia_edu_atla10_ulpmc_node, + }, + .adapter_path = "0000:00:18.1", + }, { + /* RT5642 audio codec */ + .board_info = { + .type = "rt5640", + .addr = 0x1c, + .dev_name = "rt5640", + }, + .adapter_path = "0000:00:18.2", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FC:02", + .index = 4, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + .con_id = "rt5640_irq", + }, + }, { + /* kxtj21009 accelerometer */ + .board_info = { + .type = "kxtj21009", + .addr = 0x0f, + .dev_name = "kxtj21009", + .swnode = &vexia_edu_atla10_accel_node, + }, + .adapter_path = "0000:00:18.5", + }, { + /* FT5416DQ9 touchscreen controller */ + .board_info = { + .type = "hid-over-i2c", + .addr = 0x38, + .dev_name = "FTSC1000", + .swnode = &vexia_edu_atla10_touchscreen_node, + }, + .adapter_path = "0000:00:18.6", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x45, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + }, + }, { + /* Crystal Cove PMIC */ + .board_info = { + .type = "intel_soc_pmic_crc", + .addr = 0x6e, + .dev_name = "intel_soc_pmic_crc", + .swnode = &vexia_edu_atla10_pmic_node, + }, + .adapter_path = "0000:00:18.7", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x43, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + }, + } +}; + +static struct gpiod_lookup_table vexia_edu_atla10_ft5416_gpios = { + .dev_id = "i2c-FTSC1000", + .table = { + GPIO_LOOKUP("INT33FC:00", 60, "reset", GPIO_ACTIVE_LOW), + { } + }, +}; + +static struct gpiod_lookup_table * const vexia_edu_atla10_gpios[] = { + &vexia_edu_atla10_ft5416_gpios, + NULL +}; + +static int __init vexia_edu_atla10_init(struct device *dev) +{ + struct pci_dev *pdev; + int ret; + + /* Enable the Wifi module by setting the wifi_enable pin to 1 */ + ret = x86_android_tablet_get_gpiod("INT33FC:02", 20, "wifi_enable", + false, GPIOD_OUT_HIGH, NULL); + if (ret) + return ret; + + /* Reprobe the SDIO controller to enumerate the now enabled Wifi module */ + pdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0x11, 0)); + if (!pdev) + return -EPROBE_DEFER; + + ret = device_reprobe(&pdev->dev); + if (ret) + pci_warn(pdev, "Reprobing error: %d\n", ret); + + pci_dev_put(pdev); + return 0; +} + +const struct x86_dev_info vexia_edu_atla10_info __initconst = { + .i2c_client_info = vexia_edu_atla10_i2c_clients, + .i2c_client_count = ARRAY_SIZE(vexia_edu_atla10_i2c_clients), + .gpiod_lookup_tables = vexia_edu_atla10_gpios, + .init = vexia_edu_atla10_init, + .use_pci_devname = true, +}; + +/* * The firmware node for ktd2026 on Xaomi pad2. It composed of a RGB LED node * with three subnodes for each color (B/G/R). The RGB LED node is named * "multi-led" to align with the name in the device tree. |