Commit d6513a34 authored by Linus Walleij's avatar Linus Walleij Committed by Daniel Lezcano
Browse files

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: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220526213621.373727-1-linus.walleij@linaro.org


Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent 57963a92

Documentation/devicetree/bindings/timer/st,nomadik-mtu.yaml

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+58 −0
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# 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";

    };