47 lines
1.0 KiB
YAML
47 lines
1.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/timer/csky,mptimer.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: C-SKY Multi-processors Timer
|
|
|
|
maintainers:
|
|
- Flavio Suligoi <f.suligoi@asem.it>
|
|
- Guo Ren <guoren@kernel.org>
|
|
|
|
description: |
|
|
C-SKY multi-processors timer is designed for C-SKY SMP system and the regs are
|
|
accessed by cpu co-processor 4 registers with mtcr/mfcr.
|
|
|
|
- PTIM_CTLR "cr<0, 14>" Control reg to start reset timer.
|
|
- PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg.
|
|
- PTIM_CCVR "cr<3, 14>" Current counter value reg.
|
|
- PTIM_LVR "cr<6, 14>" Window value reg to trigger next event.
|
|
|
|
properties:
|
|
compatible:
|
|
items:
|
|
- const: csky,mptimer
|
|
|
|
clocks:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
required:
|
|
- compatible
|
|
- clocks
|
|
- interrupts
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
timer {
|
|
compatible = "csky,mptimer";
|
|
clocks = <&dummy_apb_clk>;
|
|
interrupts = <16>;
|
|
};
|