linux-kernel - [PATCH v4 4/4] dt-bindings: input: touchscreen: st1232: add example with touch-overlay

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Message-Id: <20230510-feature-ts_virtobj_patch-v4-4-5c6c0fc1eed6@wolfvision.net>
Date:   Thu, 24 Aug 2023 15:17:12 +0200
From:   Javier Carrasco <javier.carrasco@...fvision.net>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Henrik Rydberg <rydberg@...math.org>,
        Bastian Hecht <hechtb@...il.com>,
        Michael Riesch <michael.riesch@...fvision.net>
Cc:     linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        devicetree@...r.kernel.org,
        Javier Carrasco <javier.carrasco@...fvision.net>
Subject: [PATCH v4 4/4] dt-bindings: input: touchscreen: st1232: add
 example with touch-overlay

The st1232 driver supports the overlay-touchscreen and overlay-buttons
objects defined in the generic touchscreen bindings and implemented in
the touch-overlay module. Add an example where nodes for an overlay
touchscreen and overlay buttons are defined.

Signed-off-by: Javier Carrasco <javier.carrasco@...fvision.net>
---
 .../input/touchscreen/sitronix,st1232.yaml         | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml b/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
index 1d8ca19fd37a..857b611f84c2 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
@@ -48,3 +48,43 @@ examples:
                     gpios = <&gpio1 166 0>;
             };
     };
+  - |
+    #include <dt-bindings/input/linux-event-codes.h>
+    i2c {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            touchscreen@55 {
+                    compatible = "sitronix,st1232";
+                    reg = <0x55>;
+                    interrupts = <2 0>;
+                    gpios = <&gpio1 166 0>;
+
+                    overlay-touchscreen {
+                            x-origin = <0>;
+                            x-size = <240>;
+                            y-origin = <40>;
+                            y-size = <280>;
+                    };
+
+                    overlay-buttons {
+                            button-light {
+                                    label = "Camera light";
+                                    linux,code = <KEY_LIGHTS_TOGGLE>;
+                                    x-origin = <40>;
+                                    x-size = <40>;
+                                    y-origin = <0>;
+                                    y-size = <40>;
+                            };
+
+                            button-power {
+                                    label = "Power";
+                                    linux,code = <KEY_POWER>;
+                                    x-origin = <160>;
+                                    x-size = <40>;
+                                    y-origin = <0>;
+                                    y-size = <40>;
+                            };
+                    };
+            };
+    };

-- 
2.39.2