# 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";
};
...
