linux-kernel - [PATCH v8 2/3] dt-bindings: input: Add TouchNetix axiom touchscreen

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Message-ID: <20240219101221.129750-3-kamel.bouhara@bootlin.com>
Date: Mon, 19 Feb 2024 11:12:19 +0100
From: Kamel Bouhara <kamel.bouhara@...tlin.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Henrik Rydberg <rydberg@...math.org>,
	linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Marco Felsch <m.felsch@...gutronix.de>,
	Jeff LaBundy <jeff@...undy.com>
Cc: catalin.popescu@...ca-geosystems.com,
	mark.satterthwaite@...chnetix.com,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Gregory Clement <gregory.clement@...tlin.com>,
	bsp-development.geo@...ca-geosystems.com,
	Kamel Bouhara <kamel.bouhara@...tlin.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v8 2/3] dt-bindings: input: Add TouchNetix axiom touchscreen

Add the TouchNetix axiom I2C touchscreen device tree bindings
documentation.

Signed-off-by: Kamel Bouhara <kamel.bouhara@...tlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../input/touchscreen/touchnetix,ax54a.yaml   | 62 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml
new file mode 100644
index 000000000000..66229a4d6f15
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/touchnetix,ax54a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TouchNetix Axiom series touchscreen controller
+
+maintainers:
+  - Kamel Bouhara <kamel.bouhara@...tlin.com>
+
+allOf:
+  - $ref: /schemas/input/touchscreen/touchscreen.yaml#
+  - $ref: /schemas/input/input.yaml#
+
+properties:
+  compatible:
+    const: touchnetix,ax54a
+
+  reg:
+    const: 0x66
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  vdda-supply:
+    description: Analog power supply regulator on VDDA pin
+
+  vddi-supply:
+    description: I/O power supply regulator on VDDI pin
+
+required:
+  - compatible
+  - reg
+  - vdda-supply
+  - vddi-supply
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      touchscreen@66 {
+        compatible = "touchnetix,ax54a";
+        reg = <0x66>;
+        interrupt-parent = <&gpio2>;
+        interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+        reset-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+        vdda-supply = <&vdda_reg>;
+        vddi-supply = <&vddi_reg>;
+        poll-interval = <20>;
+      };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index c4828ab15f1a..4b3ed2f22b89 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -22257,6 +22257,12 @@ L:	platform-driver-x86@...r.kernel.org
 S:	Maintained
 F:	drivers/platform/x86/toshiba-wmi.c

+TOUCHNETIX AXIOM I2C TOUCHSCREEN DRIVER
+M:	Kamel Bouhara <kamel.bouhara@...tlin.com>
+L:	linux-input@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml
+
 TPM DEVICE DRIVER
 M:	Peter Huewe <peterhuewe@....de>
 M:	Jarkko Sakkinen <jarkko@...nel.org>
--
2.25.1