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

Kamel Bouhara
2024-02-19T10:12:33Z

Add the TouchNetix axiom I2C touchscreen device tree bindings
documentation.

Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.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@bootlin.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@vger.kernel.org
S: Maintained
F: drivers/platform/x86/toshiba-wmi.c

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