[PATCH] input: goodix - support Goodix gt5688

[Guido Günther]

>From what I've seen in vendor trees it's fine to treat this as gt1x¹.

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

Signed-off-by: Guido Günther <a...@sigxcpu.org>
---
 Documentation/devicetree/bindings/input/touchscreen/goodix.txt | 1 +
 drivers/input/touchscreen/goodix.c                             | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt 
b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
index f7e95c52f3c7..57d3d8870a09 100644
--- 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 f2d9c2c41885..47b1ced41576 100644
--- 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" },
-- 
2.20.1