0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/pwm/imx-tpm-pwm.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Freescale i.MX TPM PWM controller
0008
0009 maintainers:
0010 - Anson Huang <anson.huang@nxp.com>
0011
0012 description: |
0013 The TPM counter and period counter are shared between multiple
0014 channels, so all channels should use same period setting.
0015
0016 allOf:
0017 - $ref: pwm.yaml#
0018
0019 properties:
0020 "#pwm-cells":
0021 const: 3
0022
0023 compatible:
0024 enum:
0025 - fsl,imx7ulp-pwm
0026
0027 reg:
0028 maxItems: 1
0029
0030 assigned-clocks:
0031 maxItems: 1
0032
0033 assigned-clock-parents:
0034 maxItems: 1
0035
0036 clocks:
0037 maxItems: 1
0038
0039 required:
0040 - compatible
0041 - reg
0042 - clocks
0043
0044 additionalProperties: false
0045
0046 examples:
0047 - |
0048 #include <dt-bindings/clock/imx7ulp-clock.h>
0049
0050 pwm@40250000 {
0051 compatible = "fsl,imx7ulp-pwm";
0052 reg = <0x40250000 0x1000>;
0053 assigned-clocks = <&pcc2 IMX7ULP_CLK_LPTPM4>;
0054 assigned-clock-parents = <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>;
0055 clocks = <&pcc2 IMX7ULP_CLK_LPTPM4>;
0056 #pwm-cells = <3>;
0057 };
