linux-kernel - [PATCH v2 2/5] dt-bindings: touchscreen: convert eeti bindings to json schema

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Message-ID: <20250913092707.1005616-2-dario.binacchi@amarulasolutions.com>
Date: Sat, 13 Sep 2025 11:26:52 +0200
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: linux-amarula@...rulasolutions.com,
	Dario Binacchi <dario.binacchi@...rulasolutions.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org,
	linux-input@...r.kernel.org
Subject: [PATCH v2 2/5] dt-bindings: touchscreen: convert eeti bindings to json schema

Convert EETI touchscreen controller device tree binding to json-schema.

Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>

---

Changes in v2:
- Added in v2

 .../bindings/input/touchscreen/eeti.txt       | 30 ---------
 .../bindings/input/touchscreen/eeti.yaml      | 62 +++++++++++++++++++
 2 files changed, 62 insertions(+), 30 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/eeti.txt
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/eeti.yaml

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>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/input/touchscreen/eeti.yaml b/Documentation/devicetree/bindings/input/touchscreen/eeti.yaml
new file mode 100644
index 000000000000..97027914d6a6
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/eeti.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/eeti.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: EETI touchscreen controller
+
+description:
+  EETI I2C driven touchscreen controller.
+
+maintainers:
+  - Dario Binacchi <dario.binacchi@...rulasolutions.com>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+      - eeti,exc3000-i2c
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  attn-gpios:
+    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-inverted-x: true
+  touchscreen-inverted-y: true
+  touchscreen-swapped-x-y: true
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchscreen@a {
+            compatible = "eeti,exc3000-i2c";
+            reg = <0xa>;
+
+            interrupt-parent = <&gpio>;
+            interrupts = <123 IRQ_TYPE_EDGE_RISING>;
+            attn-gpios = <&gpio 123 GPIO_ACTIVE_HIGH>;
+        };
+    };
-- 
2.43.0

base-commit: 22f20375f5b71f30c0d6896583b93b6e4bba7279
branch: drop-touchscreen.txt