commit 53633a893a06bd5a0c807287d9cc29337806eaf7
author Tom Rini <trini@konsulko.com> Thu Feb 29 12:33:36 2024 -0500
committer Tom Rini <trini@konsulko.com> Thu Feb 29 12:33:36 2024 -0500
tree 3d1092c556e3be208de2328232c29725970c6edc

Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe

Bindings/input/touchscreen/cypress,tt21000.yaml

diff --git a/Bindings/input/touchscreen/cypress,tt21000.yaml b/Bindings/input/touchscreen/cypress,tt21000.yaml
new file mode 100644
index 0000000..037e5d3
--- /dev/null
+++ b/Bindings/input/touchscreen/cypress,tt21000.yaml
@@ -0,0 +1,111 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/cypress,tt21000.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cypress TT21000 touchscreen controller
+
+description: The Cypress TT21000 series (also known as "CYTTSP5" after
+  the marketing name Cypress TrueTouch Standard Product series 5).
+
+maintainers:
+  - Alistair Francis <alistair@alistair23.me>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    const: cypress,tt21000
+
+  reg:
+    maxItems: 1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply:
+    description: Regulator for voltage.
+
+  vddio-supply:
+    description: Optional Regulator for I/O voltage.
+
+  reset-gpios:
+    maxItems: 1
+
+  linux,keycodes:
+    description: EV_ABS specific event code generated by the axis.
+
+  wakeup-source: true
+
+patternProperties:
+  "^button@[0-9]+$":
+    type: object
+    $ref: ../input.yaml#
+    properties:
+      reg:
+        maxItems: 1
+      linux,keycodes:
+        description: Keycode to emit
+
+    required:
+      - reg
+      - linux,keycodes
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - vdd-supply
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/input/linux-event-codes.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchscreen@24 {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            compatible = "cypress,tt21000";
+            reg = <0x24>;
+            pinctrl-names = "default";
+            pinctrl-0 = <&tp_reset_ds203>;
+            interrupt-parent = <&pio>;
+            interrupts = <1 5 IRQ_TYPE_LEVEL_LOW>;
+            reset-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&reg_touch>;
+
+            button@0 {
+                reg = <0>;
+                linux,keycodes = <KEY_HOMEPAGE>;
+            };
+
+            button@1 {
+                reg = <1>;
+                linux,keycodes = <KEY_MENU>;
+            };
+
+            button@2 {
+                reg = <2>;
+                linux,keycodes = <KEY_BACK>;
+            };
+        };
+    };
+...