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

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2022 Linaro Ltd.
   3 %YAML 1.2
   4 ---
   5 $id: "http://devicetree.org/schemas/timer/st,nomadik-mtu.yaml#"
   6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   7
   8 title: ST Microelectronics Nomadik Multi-Timer Unit MTU Timer
   9
  10 maintainers:
  11   - Linus Walleij <linus.walleij@linaro.org>
  12
  13 description: This timer is found in the ST Microelectronics Nomadik
  14   SoCs STn8800, STn8810 and STn8815 as well as in ST-Ericsson DB8500.
  15
  16 properties:
  17   compatible:
  18     items:
  19       - const: st,nomadik-mtu
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   clocks:
  28     description: The first clock named TIMCLK clocks the actual timers and
  29       the second clock clocks the digital interface to the interconnect.
  30     maxItems: 2
  31
  32   clock-names:
  33     items:
  34       - const: timclk
  35       - const: apb_pclk
  36
  37 required:
  38   - compatible
  39   - reg
  40   - interrupts
  41   - clocks
  42   - clock-names
  43
  44 additionalProperties: false
  45
  46 examples:
  47   - |
  48     #include <dt-bindings/interrupt-controller/irq.h>
  49     #include <dt-bindings/interrupt-controller/arm-gic.h>
  50     #include <dt-bindings/mfd/dbx500-prcmu.h>
  51     timer@a03c6000 {
  52       compatible = "st,nomadik-mtu";
  53       reg = <0xa03c6000 0x1000>;
  54       interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
  55
  56       clocks = <&prcmu_clk PRCMU_TIMCLK>, <&prcc_pclk 6 6>;
  57       clock-names = "timclk", "apb_pclk";
  58     };