On Mon, Mar 18, 2019 at 07:41:32AM +0000, Anson Huang wrote:
> Add i.MX TPM(Low Power Timer/Pulse Width Modulation Module) PWM binding.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
> No changes.
> ---
>  Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> 
> diff --git a/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> new file mode 100644
> index 0000000..d47b8fb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt
> @@ -0,0 +1,19 @@
> +Freescale i.MX TPM PWM controller
> +
> +Required properties:
> +- compatible : Should be "fsl,imx-tpm-pwm".

Should this perhaps only be "fsl,imx-tpm"? Sounds to me like this is a
hardware block called "TPM" that can be used as a PWM. The compatible
string should describe the hardware block, not the mode in which it is
used.

> +- reg: Physical base address and length of the controller's registers.
> +- #pwm-cells: Should be 2. See pwm.txt in this directory for a description of the cells format.
> +- clocks : The clock provided by the SoC to drive the PWM.
> +- interrupts: The interrupt for the pwm controller.

pwm -> PWM

Thierry