[v7,1/3] dt-bindings: touchscreen: convert eeti bindings to json schema
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Message ID 20250923125741.2705551-1-dario.binacchi@amarulasolutions.com
State New
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Series
  • [v7,1/3] dt-bindings: touchscreen: convert eeti bindings to json schema
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Commit Message

Dario Binacchi Sept. 23, 2025, 12:57 p.m. UTC 
Convert EETI touchscreen controller device tree binding to json-schema.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>

---

Changes in v7:
- Add Reviewed-by tag of Rob Herring

Changes in v6:
- Add deprected to the compatible string and attn-gpios
  property
- Put const 0x2a i2c address for reg property only in case
  of not eeti,exc3000-i2c.
- Put false the attn-gpios property in case of not
  eeti,exc3000-i2c..
- Drop example for eeti,exc3000-i2c.

Changes in v5:
- Move bindings into eeti,exc3000.yaml
- Remove eeti.yaml

Changes in v2:
- Added in v2

 .../input/touchscreen/eeti,exc3000.yaml       | 33 +++++++++++++++----
 .../bindings/input/touchscreen/eeti.txt       | 30 -----------------
 2 files changed, 27 insertions(+), 36 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/eeti.txt

Patch
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diff --git a/Documentation/devicetree/bindings/input/touchscreen/eeti,exc3000.yaml b/Documentation/devicetree/bindings/input/touchscreen/eeti,exc3000.yaml
index 1c7ae05a8c15..517ec721e724 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/eeti,exc3000.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/eeti,exc3000.yaml
@@ -9,39 +9,59 @@  title: EETI EXC3000 series touchscreen controller
 maintainers:
   - Dmitry Torokhov <dmitry.torokhov@gmail.com>
 
-allOf:
-  - $ref: touchscreen.yaml#
-
 properties:
   compatible:
     oneOf:
       - const: eeti,exc3000
       - const: eeti,exc80h60
       - const: eeti,exc80h84
+      - const: eeti,exc3000-i2c
+        deprecated: true
       - items:
           - enum:
               - eeti,exc81w32
           - const: eeti,exc80h84
   reg:
-    const: 0x2a
+    maxItems: 1
   interrupts:
     maxItems: 1
   reset-gpios:
     maxItems: 1
   vdd-supply:
     description: Power supply regulator for the chip
+  attn-gpios:
+    deprecated: true
+    maxItems: 1
+    description: Phandle to a GPIO to check whether interrupt is still
+                 latched. This is necessary for platforms that lack
+                 support for level-triggered IRQs.
   touchscreen-size-x: true
   touchscreen-size-y: true
   touchscreen-inverted-x: true
   touchscreen-inverted-y: true
   touchscreen-swapped-x-y: true
 
+allOf:
+  - $ref: touchscreen.yaml#
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: eeti,exc3000-i2c
+    then:
+      properties:
+        attn-gpios: false
+        reg:
+          const: 0x2a
+      required:
+        - touchscreen-size-x
+        - touchscreen-size-y
+
 required:
   - compatible
   - reg
   - interrupts
-  - touchscreen-size-x
-  - touchscreen-size-y
 
 additionalProperties: false
 
@@ -51,6 +71,7 @@  examples:
     i2c {
         #address-cells = <1>;
         #size-cells = <0>;
+
         touchscreen@2a {
                 compatible = "eeti,exc3000";
                 reg = <0x2a>;
diff --git a/Documentation/devicetree/bindings/input/touchscreen/eeti.txt b/Documentation/devicetree/bindings/input/touchscreen/eeti.txt
deleted file mode 100644
index 32b3712c916e..000000000000
--- a/Documentation/devicetree/bindings/input/touchscreen/eeti.txt
+++ /dev/null
@@ -1,30 +0,0 @@ 
-Bindings for EETI touchscreen controller
-
-Required properties:
-- compatible:	should be "eeti,exc3000-i2c"
-- reg:		I2C address of the chip. Should be set to <0xa>
-- interrupts:	interrupt to which the chip is connected
-
-Optional properties:
-- attn-gpios:	A handle to a GPIO to check whether interrupt is still
-		latched. This is necessary for platforms that lack
-		support for level-triggered IRQs.
-
-The following optional properties described in touchscreen.txt are
-also supported:
-
-- touchscreen-inverted-x
-- touchscreen-inverted-y
-- touchscreen-swapped-x-y
-
-Example:
-
-i2c-master {
-	touchscreen@a {
-		compatible = "eeti,exc3000-i2c";
-		reg = <0xa>;
-		interrupt-parent = <&gpio>;
-		interrupts = <123 IRQ_TYPE_EDGE_RISING>;
-		attn-gpios = <&gpio 123 GPIO_ACTIVE_HIGH>;
-	};
-};