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@xxxxxxxxxx>
---
.../platform/x86/x86-android-tablets/lenovo.c | 35 +++++++++++++++++++
1 file changed, 35 insertions(+)
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
@@ -86,6 +96,22 @@ static const struct x86_i2c_client_info lenovo_yb1_x90_i2c_clients[] __initconst
.trigger = ACPI_EDGE_SENSITIVE,
.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 = {
@@ -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
};
--
2.39.2
