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[v10,1/2] dt-bindings: touchscreen: Add binding for Novatek NT36xxx ICs

Message ID 20230808-topic-nt36xxx-v10-1-dd135dfa0b5e@linaro.org
State New
Headers show
Series Add Novatek NT36xxx touchscreen driver | expand

Commit Message

Konrad Dybcio Aug. 8, 2023, 11:38 p.m. UTC 
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Add binding for the Novatek NT36xxx series touchscreen ICs.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 .../bindings/input/touchscreen/nt36xxx.yaml        | 59 ++++++++++++++++++++++
 1 file changed, 59 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml
new file mode 100644
index 000000000000..d88b149602ef
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml
@@ -0,0 +1,59 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/nt36xxx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Novatek NT36xxx series touchscreen controller
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    const: novatek,nt36525-i2c
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  vdd-supply:
+    description: Power supply regulator for VDD pin
+
+  vio-supply:
+    description: Power supply regulator on VDD-IO pin
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      touchscreen@62 {
+        compatible = "novatek,nt36525-i2c";
+        reg = <0x62>;
+        interrupt-parent = <&tlmm>;
+        interrupts = <45 IRQ_TYPE_EDGE_RISING>;
+        reset-gpios = <&tlmm 102 GPIO_ACTIVE_HIGH>;
+      };
+    };
+
+...