Documentation/devicetree/bindings/pwm/sprd,ums512-pwm.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pwm/sprd,ums512-pwm.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pwm/sprd,ums512-pwm.yaml
Extension
.yaml
Size
1434 bytes
Lines
67
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/sprd,ums512-pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Spreadtrum/Unisoc UMS512 PWM Controller

maintainers:
  - Orson Zhai <orsonzhai@gmail.com>
  - Baolin Wang <baolin.wang@linux.alibaba.com>
  - Chunyan Zhang <zhang.lyra@gmail.com>

properties:
  compatible:
    const: sprd,ums512-pwm

  reg:
    maxItems: 1

  clocks:
    maxItems: 8

  clock-names:
    items:
      - const: pwm0
      - const: enable0
      - const: pwm1
      - const: enable1
      - const: pwm2
      - const: enable2
      - const: pwm3
      - const: enable3

  '#pwm-cells':
    const: 2

required:
  - compatible
  - reg
  - clocks
  - clock-names

allOf:
  - $ref: pwm.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/sprd,ums512-clk.h>

    pwm@32260000 {
      compatible = "sprd,ums512-pwm";
      reg = <0x32260000 0x10000>;
      clocks = <&aon_clk CLK_PWM0>, <&aonapb_gate CLK_PWM0_EB>,
               <&aon_clk CLK_PWM1>, <&aonapb_gate CLK_PWM1_EB>,
               <&aon_clk CLK_PWM2>, <&aonapb_gate CLK_PWM2_EB>,
               <&aon_clk CLK_PWM3>, <&aonapb_gate CLK_PWM3_EB>;
      clock-names = "pwm0", "enable0",
                    "pwm1", "enable1",
                    "pwm2", "enable2",
                    "pwm3", "enable3";
      #pwm-cells = <2>;
    };
...

Annotation

Implementation Notes