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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serio/arm,pl050.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm Ltd. PrimeCell PL050 PS/2 Keyboard/Mouse Interface
+
+maintainers:
+ - Andre Przywara <andre.przywara@arm.com>
+
+description:
+ The Arm PrimeCell PS2 Keyboard/Mouse Interface (KMI) is an AMBA compliant
+ peripheral that can be used to implement a keyboard or mouse interface that
+ is IBM PS2 or AT compatible.
+
+# We need a select here so we don't match all nodes with 'arm,primecell'
+select:
+ properties:
+ compatible:
+ contains:
+ const: arm,pl050
+ required:
+ - compatible
+
+properties:
+ compatible:
+ items:
+ - const: arm,pl050
+ - const: arm,primecell
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: KMI reference clock, used to generate the bus timing
+ - description: APB register access clock
+
+ clock-names:
+ items:
+ - const: KMIREFCLK
+ - const: apb_pclk
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ serio@70000 {
+ compatible = "arm,pl050", "arm,primecell";
+ reg = <0x070000 0x1000>;
+ interrupts = <8>;
+ clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
+ clock-names = "KMIREFCLK", "apb_pclk";
+ };
+
+...