pwm-samsung.yaml

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pwm/pwm-samsung.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung SoC PWM timers
    8 
    9 maintainers:
   10   - Thierry Reding <thierry.reding@gmail.com>
   11   - Krzysztof Kozlowski <krzk@kernel.org>
   12 
   13 description: |+
   14   Samsung SoCs contain PWM timer blocks which can be used for system clock source
   15   and clock event timers, as well as to drive SoC outputs with PWM signal. Each
   16   PWM timer block provides 5 PWM channels (not all of them can drive physical
   17   outputs - see SoC and board manual).
   18 
   19   Be aware that the clocksource driver supports only uniprocessor systems.
   20 
   21 properties:
   22   compatible:
   23     enum:
   24       - samsung,s3c2410-pwm             # 16-bit, S3C24xx
   25       - samsung,s3c6400-pwm             # 32-bit, S3C64xx
   26       - samsung,s5p6440-pwm             # 32-bit, S5P64x0
   27       - samsung,s5pc100-pwm             # 32-bit, S5PC100, S5PV210, Exynos4210 rev0 SoCs
   28       - samsung,exynos4210-pwm          # 32-bit, Exynos
   29 
   30   reg:
   31     maxItems: 1
   32 
   33   clocks:
   34     minItems: 1
   35     maxItems: 3
   36 
   37   clock-names:
   38     description: |
   39       Should contain all following required clock names:
   40       - "timers" - PWM base clock used to generate PWM signals,
   41       and any subset of following optional clock names:
   42       - "pwm-tclk0" - first external PWM clock source,
   43       - "pwm-tclk1" - second external PWM clock source.
   44       Note that not all IP variants allow using all external clock sources.
   45       Refer to SoC documentation to learn which clock source configurations
   46       are available.
   47     oneOf:
   48       - items:
   49           - const: timers
   50       - items:
   51           - const: timers
   52           - const: pwm-tclk0
   53       - items:
   54           - const: timers
   55           - const: pwm-tclk1
   56       - items:
   57           - const: timers
   58           - const: pwm-tclk0
   59           - const: pwm-tclk1
   60 
   61   interrupts:
   62     description:
   63       One interrupt per timer, starting at timer 0. Necessary only for SoCs which
   64       use PWM clocksource.
   65     minItems: 1
   66     maxItems: 5
   67 
   68   "#pwm-cells":
   69     description:
   70       The only third cell flag supported by this binding
   71       is PWM_POLARITY_INVERTED.
   72     const: 3
   73 
   74   samsung,pwm-outputs:
   75     description:
   76       A list of PWM channels used as PWM outputs on particular platform.
   77       It is an array of up to 5 elements being indices of PWM channels
   78       (from 0 to 4), the order does not matter.
   79     $ref: /schemas/types.yaml#/definitions/uint32-array
   80     uniqueItems: true
   81     items:
   82       minimum: 0
   83       maximum: 4
   84 
   85 required:
   86   - clocks
   87   - clock-names
   88   - compatible
   89   - reg
   90 
   91 additionalProperties: false
   92 
   93 allOf:
   94   - $ref: pwm.yaml#
   95 
   96   - if:
   97       properties:
   98         compatible:
   99           contains:
  100             enum:
  101               - samsung,s3c2410-pwm
  102               - samsung,s3c6400-pwm
  103               - samsung,s5p6440-pwm
  104               - samsung,s5pc100-pwm
  105     then:
  106       required:
  107         - interrupts
  108 
  109 examples:
  110   - |
  111     pwm@7f006000 {
  112         compatible = "samsung,s3c6400-pwm";
  113         reg = <0x7f006000 0x1000>;
  114         interrupt-parent = <&vic0>;
  115         interrupts = <23>, <24>, <25>, <27>, <28>;
  116         clocks = <&clock 67>;
  117         clock-names = "timers";
  118         samsung,pwm-outputs = <0>, <1>;
  119         #pwm-cells = <3>;
  120     };

Cache object: 132eaa806e5a696d7637b50fed568b96

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pwm/pwm-samsung.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pwm/pwm-samsung.yaml