[v4,3/5] dt-bindings: touchscreen: convert raspberrypi,firmware-ts bindings to json schema

Message ID 20250918153630.2535208-3-dario.binacchi@amarulasolutions.com
State New
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Series
  • [v4,1/5] dt-bindings: touchscreen: convert bu21013 bindings to json schema
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Commit Message

Dario Binacchi Sept. 18, 2025, 3:36 p.m. UTC
Convert Raspberry Pi firmware 7" touchscreen controller device tree
binding to json-schema.

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

---

(no changes since v3)

Changes in v3:
- Drop firmware-rpi node and use only touchscreen node to fix warnings
  you can see in
  https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250913092707.1005616-3-dario.binacchi@amarulasolutions.com/

Changes in v2:
- Added in v2

 .../touchscreen/raspberrypi,firmware-ts.txt   | 26 ------------
 .../touchscreen/raspberrypi,firmware-ts.yaml  | 40 +++++++++++++++++++
 2 files changed, 40 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

Comments

Dario Binacchi Sept. 18, 2025, 9 p.m. UTC | #1
On Thu, Sep 18, 2025 at 10:10 PM Rob Herring <robh@kernel.org> wrote:
>
> On Thu, Sep 18, 2025 at 05:36:08PM +0200, Dario Binacchi wrote:
> > Convert Raspberry Pi firmware 7" touchscreen controller device tree
> > binding to json-schema.
> >
> > Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
> >
> > ---
> >
> > (no changes since v3)
> >
> > Changes in v3:
> > - Drop firmware-rpi node and use only touchscreen node to fix warnings
> >   you can see in
> >   https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250913092707.1005616-3-dario.binacchi@amarulasolutions.com/
> >
> > Changes in v2:
> > - Added in v2
> >
> >  .../touchscreen/raspberrypi,firmware-ts.txt   | 26 ------------
> >  .../touchscreen/raspberrypi,firmware-ts.yaml  | 40 +++++++++++++++++++
> >  2 files changed, 40 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..697c508326b3
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.yaml
> > @@ -0,0 +1,40 @@
> > +# 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@amarulasolutions.com>
> > +
> > +allOf:
> > +  - $ref: touchscreen.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - raspberrypi,firmware-ts
> > +
> > +  firmware:
> > +    description: Phandle to RPi's firmware device node.
>
>        deprecated: true
>
> It should be a child node.

Should I add the touchscreen node to
Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml
and remove Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.yaml
from this patch?

Thanks and regards,
Dario
>
> > +
> > +  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:
> > +  - |
> > +    touchscreen {
> > +        compatible = "raspberrypi,firmware-ts";
> > +        touchscreen-size-x = <800>;
> > +        touchscreen-size-y = <480>;
> > +    };
> > --
> > 2.43.0
> >
> > base-commit: 8b789f2b7602a818e7c7488c74414fae21392b63
> > branch: drop-touchscreen.txt

Patch

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..697c508326b3
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.yaml
@@ -0,0 +1,40 @@ 
+# 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@amarulasolutions.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:
+  - |
+    touchscreen {
+        compatible = "raspberrypi,firmware-ts";
+        touchscreen-size-x = <800>;
+        touchscreen-size-y = <480>;
+    };