linux/Documentation/devicetree/bindings/timer/st,nomadik-mtu.yaml
Linus Walleij d6513a3492 dt-bindings: timer: Add Nomadik MTU binding
The Nomadik MTU timer has been used in devicetrees forever
but somehow we missed to add a binding for it. Fix it
by simply adding it.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220526213621.373727-1-linus.walleij@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-06-14 21:23:06 +02:00

59 lines
1.3 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2022 Linaro Ltd.
%YAML 1.2
---
$id: "http://devicetree.org/schemas/timer/st,nomadik-mtu.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: ST Microelectronics Nomadik Multi-Timer Unit MTU Timer
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
description: This timer is found in the ST Microelectronics Nomadik
SoCs STn8800, STn8810 and STn8815 as well as in ST-Ericsson DB8500.
properties:
compatible:
items:
- const: st,nomadik-mtu
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
description: The first clock named TIMCLK clocks the actual timers and
the second clock clocks the digital interface to the interconnect.
maxItems: 2
clock-names:
items:
- const: timclk
- const: apb_pclk
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/mfd/dbx500-prcmu.h>
timer@a03c6000 {
compatible = "st,nomadik-mtu";
reg = <0xa03c6000 0x1000>;
interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&prcmu_clk PRCMU_TIMCLK>, <&prcc_pclk 6 6>;
clock-names = "timclk", "apb_pclk";
};