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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pwm/imx-tpm-pwm.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale i.MX TPM PWM controller
    8 
    9 maintainers:
   10   - Anson Huang <anson.huang@nxp.com>
   11 
   12 description: |
   13   The TPM counter and period counter are shared between multiple
   14   channels, so all channels should use same period setting.
   15 
   16 allOf:
   17   - $ref: pwm.yaml#
   18 
   19 properties:
   20   "#pwm-cells":
   21     const: 3
   22 
   23   compatible:
   24     enum:
   25       - fsl,imx7ulp-pwm
   26 
   27   reg:
   28     maxItems: 1
   29 
   30   assigned-clocks:
   31     maxItems: 1
   32 
   33   assigned-clock-parents:
   34     maxItems: 1
   35 
   36   clocks:
   37     maxItems: 1
   38 
   39 required:
   40   - compatible
   41   - reg
   42   - clocks
   43 
   44 additionalProperties: false
   45 
   46 examples:
   47   - |
   48     #include <dt-bindings/clock/imx7ulp-clock.h>
   49 
   50     pwm@40250000 {
   51         compatible = "fsl,imx7ulp-pwm";
   52         reg = <0x40250000 0x1000>;
   53         assigned-clocks = <&pcc2 IMX7ULP_CLK_LPTPM4>;
   54         assigned-clock-parents = <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>;
   55         clocks = <&pcc2 IMX7ULP_CLK_LPTPM4>;
   56         #pwm-cells = <3>;
   57     };
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