Re: [PATCH v3 2/4] Documentation: DT: bindings: input: Add documentation for cyttsp5

Signed-off-by: Alistair Francis <redacted>
---
 .../input/touchscreen/cypress,tt21000.yaml    | 92 +++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml
new file mode 100644
index 000000000000..f3f353192917
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml

@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/cypress,tt21000.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cypress TT2100 touchscreen controller
+
+description: The Cypress TT2100 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
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply:
+    description: Regulator for voltage.
+
+  reset-gpios:
+    maxItems: 1
+
+  linux,code:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: EV_ABS specific event code generated by the axis.
+
+patternProperties:
+  "^button-[0-9]+$":
+    type: object
+    properties:
+      linux,code:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: Keycode to emit
+
+    required:
+      - linux,code
+
+    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 {
+            compatible = "cypress,tt2100";
+            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 {
+                linux,code = <KEY_HOMEPAGE>;
+            };
+
+            button@1 {
+                linux,code = <KEY_MENU>;
+            };
+
+            button@2 {
+                linux,code = <KEY_BACK>;
+            };
+        };
+    };
+...

-- 
2.31.1