dt-bindings: touchscreen: add Himax hx83112b bindings

This patch adds device tree bindings for Himax 83112b touchscreen
devices.

Signed-off-by: Job Noorman <job@noorman.info>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221107105604.26541-2-job@noorman.info
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml b/Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml
new file mode 100644 (file)
index 0000000..be2ba18
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/himax,hx83112b.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Himax hx83112b touchscreen controller bindings
+
+maintainers:
+  - Job Noorman <job@noorman.info>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+      - himax,hx83112b
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  touchscreen-inverted-x: true
+  touchscreen-inverted-y: true
+  touchscreen-size-x: true
+  touchscreen-size-y: true
+  touchscreen-swapped-x-y: true
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - reset-gpios
+  - touchscreen-size-x
+  - touchscreen-size-y
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      touchscreen@48 {
+        compatible = "himax,hx83112b";
+        reg = <0x48>;
+        interrupt-parent = <&tlmm>;
+        interrupts = <65 IRQ_TYPE_LEVEL_LOW>;
+        touchscreen-size-x = <1080>;
+        touchscreen-size-y = <2160>;
+        reset-gpios = <&tlmm 64 GPIO_ACTIVE_LOW>;
+      };
+    };
+
+...

diff --git a/MAINTAINERS b/MAINTAINERS
index cf0f185..469ab63 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9162,6 +9162,12 @@ W:       http://www.highpoint-tech.com
 F:     Documentation/scsi/hptiop.rst
 F:     drivers/scsi/hptiop.c
 
+HIMAX HX83112B TOUCHSCREEN SUPPORT
+M:     Job Noorman <job@noorman.info>
+L:     linux-input@vger.kernel.org
+S:     Maintained
+F:     Documentation/devicetree/bindings/input/touchscreen/himax,hx83112b.yaml
+
 HIPPI
 M:     Jes Sorensen <jes@trained-monkey.org>
 L:     linux-hippi@sunsite.dk