The Ilitek ili2901 touch screen chip same as Elan eKTH6915 controller
has a reset gpio. The difference is that they have different
post_power_delay_ms and post_gpio_reset_on_delay_ms.
Ilitek ili2901 also uses 3.3V power supply.

Signed-off-by: Zhengqiao Xia  <xiazhengqiao@huaqin.corp-partner.google.com>
---
 Documentation/devicetree/bindings/input/elan,ekth6915.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/input/elan,ekth6915.yaml b/Documentation/devicetree/bindings/input/elan,ekth6915.yaml
index 3e2d216c6432..dc4ac41f2441 100644
--- a/Documentation/devicetree/bindings/input/elan,ekth6915.yaml
+++ b/Documentation/devicetree/bindings/input/elan,ekth6915.yaml
@@ -18,8 +18,9 @@ allOf:
 
 properties:
   compatible:
-    items:
-      - const: elan,ekth6915
+    enum:
+      - elan,ekth6915
+      - ilitek,ili2901
 
   reg:
     const: 0x10
-- 
2.17.1

On 27/12/2023 09:50, Zhengqiao Xia wrote:
> The Ilitek ili2901 touch screen chip same as Elan eKTH6915 controller
> has a reset gpio. The difference is that they have different
> post_power_delay_ms and post_gpio_reset_on_delay_ms.
> Ilitek ili2901 also uses 3.3V power supply.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof

On Wed, 27 Dec 2023, Krzysztof Kozlowski wrote:

> > The Ilitek ili2901 touch screen chip same as Elan eKTH6915 controller
> > has a reset gpio. The difference is that they have different
> > post_power_delay_ms and post_gpio_reset_on_delay_ms.
> > Ilitek ili2901 also uses 3.3V power supply.
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Thanks. I will take it together with the HID patch through my tree, if 
that's fine with you.

-- 
Jiri Kosina
SUSE Labs