Input: goodix - support Goodix gt5688

From what I've seen in vendor trees it's fine to treat this as gt1x¹.
Tested on the Purism Librem 5 Devkit (Rocktech JH057N00900 panel).

[1]: https://github.com/TadiT7/android_kernel_mtk-4.4/tree/master/drivers/input/touchscreen/mediatek/GT5688

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
index f7e95c5..57d3d88 100644 (file)
--- a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
@@ -3,6 +3,7 @@ Device tree bindings for Goodix GT9xx series touchscreen controller
 Required properties:
 
  - compatible          : Should be "goodix,gt1151"
+                                or "goodix,gt5688"
                                 or "goodix,gt911"
                                 or "goodix,gt9110"
                                 or "goodix,gt912"

diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index f2d9c2c..47b1ced 100644 (file)
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -216,6 +216,7 @@ static const struct goodix_chip_data *goodix_get_chip_data(u16 id)
 {
        switch (id) {
        case 1151:
+       case 5688:
                return &gt1x_chip_data;
 
        case 911:
@@ -942,6 +943,7 @@ MODULE_DEVICE_TABLE(acpi, goodix_acpi_match);
 #ifdef CONFIG_OF
 static const struct of_device_id goodix_of_match[] = {
        { .compatible = "goodix,gt1151" },
+       { .compatible = "goodix,gt5688" },
        { .compatible = "goodix,gt911" },
        { .compatible = "goodix,gt9110" },
        { .compatible = "goodix,gt912" },