Thread (20 messages) 20 messages, 7 authors, 2024-07-16

Re: [PATCH v2 2/8] dt-bindings: input: touchscreen: document synaptics TCM oncell

From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2024-07-01 06:52:42
Also in: dri-devel, linux-arm-msm, linux-devicetree

On 30/06/2024 20:36, Caleb Connolly wrote:
quoted hunk ↗ jump to hunk
diff --git a/Documentation/devicetree/bindings/input/touchscreen/syna,tcm-oncell.yaml b/Documentation/devicetree/bindings/input/touchscreen/syna,tcm-oncell.yaml
new file mode 100644
index 000000000000..6e366c9446f8
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/syna,tcm-oncell.yaml
Filename like compatible, so syna,s3908.yaml
quoted hunk ↗ jump to hunk
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/syna,tcm-oncell.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synaptics TCM Oncell i2c touchscreen
+
+maintainers:
+  - Caleb Connolly <caleb@postmarketos.org>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+      - syna,s3908
+
+  reg:
+    maxItems: 1
+
+  interrupts-extended:
Instead, just interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+    description: Reset GPIO the chip is connected to.
+
+  vdd-supply:
+    description: a phandle for the regulator supplying 3V power.
+
+  vcc-supply:
+    description: a phandle for the regulator supplying IO power.
+
+additionalProperties: false
This goes after "required:" block.
+
+required:
+  - compatible
+  - reg
+  - interrupts-extended
+  - reset-gpios
+  - vdd-supply
+  - vcc-supply
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      clock-frequency = <400000>;
Drop
+      status = "okay";
Drop
+
+      touchscreen@4b {
+        compatible = "syna,s3908";
+        reg = <0x4B>;
+
+        interrupts-extended = <&tlmm 39 0x2008>;
Not a correct interrupt flag, I think.

Best regards,
Krzysztof

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