target/linux/starfive/patches-6.1/0059-dt-bindings-timer-Add-timer-for-StarFive-JH7110-SoC.patch

   1 From 944b96d734199642e2ede978c48d754109ca334c Mon Sep 17 00:00:00 2001
   2 From: Xingyu Wu <xingyu.wu@starfivetech.com>
   3 Date: Mon, 20 Mar 2023 21:54:31 +0800
   4 Subject: [PATCH 059/122] dt-bindings: timer: Add timer for StarFive JH7110 SoC
   5
   6 Add bindings for the timer on the JH7110 RISC-V SoC
   7 by StarFive Technology Ltd.
   8
   9 Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
  10 Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
  11 ---
  12  .../bindings/timer/starfive,jh7110-timer.yaml | 95 +++++++++++++++++++
  13  1 file changed, 95 insertions(+)
  14  create mode 100644 Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml
  15
  16 --- /dev/null
  17 +++ b/Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml
  18 @@ -0,0 +1,95 @@
  19 +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  20 +%YAML 1.2
  21 +---
  22 +$id: http://devicetree.org/schemas/timer/starfive,jh7110-timer.yaml#
  23 +$schema: http://devicetree.org/meta-schemas/core.yaml#
  24 +
  25 +title: StarFive JH7110 Timer
  26 +maintainers:
  27 +  - Xingyu Wu <xingyu.wu@starfivetech.com>
  28 +  - Samin Guo <samin.guo@starfivetech.com>
  29 +
  30 +description:
  31 +  This timer has four free-running 32 bit counters in StarFive JH7110 SoC.
  32 +  And each channel(counter) triggers an interrupt when timeout. They support
  33 +  one-shot mode and continuous-run mode.
  34 +
  35 +properties:
  36 +  compatible:
  37 +    const: starfive,jh7110-timer
  38 +
  39 +  reg:
  40 +    maxItems: 1
  41 +
  42 +  interrupts:
  43 +    items:
  44 +      - description: channel 0
  45 +      - description: channel 1
  46 +      - description: channel 2
  47 +      - description: channel 3
  48 +
  49 +  clocks:
  50 +    items:
  51 +      - description: timer APB
  52 +      - description: channel 0
  53 +      - description: channel 1
  54 +      - description: channel 2
  55 +      - description: channel 3
  56 +
  57 +  clock-names:
  58 +    items:
  59 +      - const: apb
  60 +      - const: ch0
  61 +      - const: ch1
  62 +      - const: ch2
  63 +      - const: ch3
  64 +
  65 +  resets:
  66 +    items:
  67 +      - description: timer APB
  68 +      - description: channel 0
  69 +      - description: channel 1
  70 +      - description: channel 2
  71 +      - description: channel 3
  72 +
  73 +  reset-names:
  74 +    items:
  75 +      - const: apb
  76 +      - const: ch0
  77 +      - const: ch1
  78 +      - const: ch2
  79 +      - const: ch3
  80 +
  81 +required:
  82 +  - compatible
  83 +  - reg
  84 +  - interrupts
  85 +  - clocks
  86 +  - clock-names
  87 +  - resets
  88 +  - reset-names
  89 +
  90 +additionalProperties: false
  91 +
  92 +examples:
  93 +  - |
  94 +    timer@13050000 {
  95 +        compatible = "starfive,jh7110-timer";
  96 +        reg = <0x13050000 0x10000>;
  97 +        interrupts = <69>, <70>, <71> ,<72>;
  98 +        clocks = <&clk 124>,
  99 +                 <&clk 125>,
 100 +                 <&clk 126>,
 101 +                 <&clk 127>,
 102 +                 <&clk 128>;
 103 +        clock-names = "apb", "ch0", "ch1",
 104 +                      "ch2", "ch3";
 105 +        resets = <&rst 117>,
 106 +                 <&rst 118>,
 107 +                 <&rst 119>,
 108 +                 <&rst 120>,
 109 +                 <&rst 121>;
 110 +        reset-names = "apb", "ch0", "ch1",
 111 +                      "ch2", "ch3";
 112 +    };
 113 +