[PATCH v3 2/2] dt-bindings: input: Add binding for cypress-sf

[Yassine Oudjana <y.oudjana@protonmail.com>]

Add a device tree binding for Cypress StreetFighter.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes since v1:
 - Changed version variables in probe to int to allow storing error codes.
 .../devicetree/bindings/input/cypress-sf.yaml | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/cypress-sf.yaml

diff --git a/Documentation/devicetree/bindings/input/cypress-sf.yaml b/Documentation/devicetree/bindings/input/cypress-sf.yaml
new file mode 100644
index 000000000000..14689daf6567
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/cypress-sf.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/cypress-sf.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cypress StreetFighter touchkey controller
+
+maintainers:
+  - Yassine Oudjana <y.oudjana@protonmail.com>
+
+allOf:
+  - $ref: input.yaml#
+
+properties:
+  compatible:
+    const: cypress,sf3155
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  avdd-supply:
+    description: Regulator for AVDD analog voltage
+
+  vdd-supply:
+    description: Regulator for VDD digital voltage
+
+  linux,keycodes:
+    minItems: 1
+    maxItems: 8
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - avdd-supply
+  - vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/input/input.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchkey@28 {
+                compatible = "cypress,sf3155";
+                reg = <0x28>;
+                interrupt-parent = <&msmgpio>;
+                interrupts = <77 IRQ_TYPE_EDGE_FALLING>;
+                avdd-supply = <&vreg_l6a_1p8>;
+                vdd-supply = <&vdd_3v2_tp>;
+                linux,keycodes = <KEY_BACK KEY_MENU>;
+        };
+    };
-- 
2.33.0