[PATCH v3 1/2] dt-bindings: input: Add Himax HX83102J touchscreen

From: Allen_Lin
Date: Wed Dec 27 2023 - 00:35:53 EST


Add the HX83102j touchscreen device tree bindings documents.

Signed-off-by: Allen_Lin <allencl_lin@xxxxxxxxxxx>
---
.../bindings/input/himax,hx83102j.yaml | 65 +++++++++++++++++++
MAINTAINERS | 6 ++
2 files changed, 71 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/himax,hx83102j.yaml

diff --git a/Documentation/devicetree/bindings/input/himax,hx83102j.yaml b/Documentation/devicetree/bindings/input/himax,hx83102j.yaml
new file mode 100644
index 000000000000..872b478c5753
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/himax,hx83102j.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/himax,hx83102j.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Himax hx83102j touchscreen
+
+maintainers:
+ - Allen Lin <allencl_lin@xxxxxxxxxxx>
+
+description:
+ This Himax hx83102j touchscreen uses the spi-hid protocol.
+
+allOf:
+ - $ref: /schemas/input/touchscreen/touchscreen.yaml#
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+ compatible:
+ enum:
+ - himax,hx83102j
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ spi-cpha: true
+
+ spi-cpol: true
+
+ spi-max-frequency: true
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ hid-himax-spi@0 {
+ compatible = "himax,hx83102j";
+ reg = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&touch_int0 &touch_reset>;
+ reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+ spi-cpha;
+ spi-cpol;
+ interrupt-parent = <&gpio1>;
+ interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 012df8ccf34e..6a92e40d126d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9502,6 +9502,12 @@ L: linux-kernel@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/misc/hisi_hikey_usb.c

+HIMAX HID HX83102J TOUCHSCREEN
+M: Allen Lin <allencl_lin@xxxxxxxxxxx>
+L: linux-input@xxxxxxxxxxxxxxx
+S: Maintained
+F: Documentation/devicetree/bindings/input/himax,hx83102j.yaml
+
HIMAX HX83112B TOUCHSCREEN SUPPORT
M: Job Noorman <job@xxxxxxxxxxxx>
L: linux-input@xxxxxxxxxxxxxxx
--
2.34.1