linux-kernel - [PATCH v2 3/5] dt-bindings: touchscreen: convert raspberrypi,firmware-ts bindings to json schema

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Message-ID: <20250913092707.1005616-3-dario.binacchi@amarulasolutions.com>
Date: Sat, 13 Sep 2025 11:26:53 +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>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-input@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org
Subject: [PATCH v2 3/5] dt-bindings: touchscreen: convert raspberrypi,firmware-ts bindings to json schema

Convert Raspberry Pi firmware 7" touchscreen controller device tree
binding to json-schema.

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

---

Changes in v2:
- Added in v2

 .../touchscreen/raspberrypi,firmware-ts.txt   | 26 -----------
 .../touchscreen/raspberrypi,firmware-ts.yaml  | 45 +++++++++++++++++++
 2 files changed, 45 insertions(+), 26 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt
deleted file mode 100644
index 2a1af240ccc3..000000000000
--- a/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-Raspberry Pi firmware based 7" touchscreen
-=====================================
-
-Required properties:
- - compatible: "raspberrypi,firmware-ts"
-
-Optional properties:
- - firmware: Reference to RPi's firmware device node
- - touchscreen-size-x: See touchscreen.txt
- - touchscreen-size-y: See touchscreen.txt
- - touchscreen-inverted-x: See touchscreen.txt
- - touchscreen-inverted-y: See touchscreen.txt
- - touchscreen-swapped-x-y: See touchscreen.txt
-
-Example:
-
-firmware: firmware-rpi {
-	compatible = "raspberrypi,bcm2835-firmware";
-	mboxes = <&mailbox>;
-
-	ts: touchscreen {
-		compatible = "raspberrypi,firmware-ts";
-		touchscreen-size-x = <800>;
-		touchscreen-size-y = <480>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.yaml b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.yaml
new file mode 100644
index 000000000000..8faa796fb7dd
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/raspberrypi,firmware-ts.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Raspberry Pi firmware based 7" touchscreen
+
+maintainers:
+  - Dario Binacchi <dario.binacchi@...rulasolutions.com>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+      - raspberrypi,firmware-ts
+
+  firmware:
+    description: Phandle to RPi's firmware device node.
+
+  touchscreen-size-x: true
+  touchscreen-size-y: true
+  touchscreen-inverted-x: true
+  touchscreen-inverted-y: true
+  touchscreen-swapped-x-y: true
+
+additionalProperties: false
+
+required:
+  - compatible
+
+examples:
+  - |
+    firmware: firmware-rpi {
+        compatible = "raspberrypi,bcm2835-firmware";
+        mboxes = <&mailbox>;
+
+        ts: touchscreen {
+            compatible = "raspberrypi,firmware-ts";
+            touchscreen-size-x = <800>;
+            touchscreen-size-y = <480>;
+        };
+    };
-- 
2.43.0

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