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| author | Hans de Goede <hdegoede@redhat.com> | 2023-04-16 23:28:39 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-04-17 12:23:26 +0200 |
| commit | 95b829f89da3fd635b60b9b069395dede17a612c (patch) | |
| tree | e06fc6ee48c9544ab3500a601d6b5c7fb2581ba7 /drivers/platform/x86/x86-android-tablets | |
| parent | 02377e983e22396e52d43c4d0adb9bbc85fa9a26 (diff) | |
| download | lwn-95b829f89da3fd635b60b9b069395dede17a612c.tar.gz lwn-95b829f89da3fd635b60b9b069395dede17a612c.zip | |
platform/x86: x86-android-tablets: Add Wacom digitizer info for Lenovo Yoga Book
The Lenovo Yoga Book has a wacom digitizer in its keyboard half,
add the necessary info to instantiate an i2c_client for the digitizer.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230416212841.311152-2-hdegoede@redhat.com
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets')
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/lenovo.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/platform/x86/x86-android-tablets/lenovo.c index b5dd74bf9e8c..438de8b92dc6 100644 --- a/drivers/platform/x86/x86-android-tablets/lenovo.c +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c @@ -40,6 +40,16 @@ static struct lp855x_platform_data lenovo_lp8557_pdata = { /* Lenovo Yoga Book X90F / X90L's Android factory img has everything hardcoded */ +static const struct property_entry lenovo_yb1_x90_wacom_props[] = { + PROPERTY_ENTRY_U32("hid-descr-addr", 0x0001), + PROPERTY_ENTRY_U32("post-reset-deassert-delay-ms", 150), + { } +}; + +static const struct software_node lenovo_yb1_x90_wacom_node = { + .properties = lenovo_yb1_x90_wacom_props, +}; + /* * The HiDeep IST940E touchscreen comes up in I2C-HID mode. The native protocol * reports ABS_MT_PRESSURE and ABS_MT_TOUCH_MAJOR which are not reported in HID @@ -87,6 +97,22 @@ static const struct x86_i2c_client_info lenovo_yb1_x90_i2c_clients[] __initconst .polarity = ACPI_ACTIVE_LOW, }, }, { + /* Wacom Digitizer in keyboard half */ + .board_info = { + .type = "hid-over-i2c", + .addr = 0x09, + .dev_name = "wacom", + .swnode = &lenovo_yb1_x90_wacom_node, + }, + .adapter_path = "\\_SB_.PCI0.I2C4", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FF:01", + .index = 49, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_LOW, + }, + }, { /* LP8557 Backlight controller */ .board_info = { .type = "lp8557", @@ -131,9 +157,18 @@ static struct gpiod_lookup_table lenovo_yb1_x90_hideep_gpios = { }, }; +static struct gpiod_lookup_table lenovo_yb1_x90_wacom_gpios = { + .dev_id = "i2c-wacom", + .table = { + GPIO_LOOKUP("INT33FF:00", 82, "reset", GPIO_ACTIVE_LOW), + { } + }, +}; + static struct gpiod_lookup_table * const lenovo_yb1_x90_gpios[] = { &lenovo_yb1_x90_hideep_gpios, &lenovo_yb1_x90_goodix_gpios, + &lenovo_yb1_x90_wacom_gpios, NULL }; |