On Wed, May 30, 2018 at 02:03:25PM +0200, Clément Péron wrote:
> From: Clément Peron <clement.peron@xxxxxxxxxxxx>
"dt-bindings: timer: ..." is the preferred subject prefix.
>
> Add devicetree binding document for NXP's i.MX SoC specific
> EPIT timer driver.
>
> Signed-off-by: Clément Peron <clement.peron@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/timer/fsl,imxepit.txt | 24 +++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/timer/fsl,imxepit.txt
>
> diff --git a/Documentation/devicetree/bindings/timer/fsl,imxepit.txt b/Documentation/devicetree/bindings/timer/fsl,imxepit.txt
> new file mode 100644
> index 000000000000..90112d58af10
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/timer/fsl,imxepit.txt
> @@ -0,0 +1,24 @@
> +Binding for the i.MX EPIT timer
> +
> +This binding uses the common clock binding[1].
> +
> +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
No need to state this. Listing "clocks" tells us that.
> +
> +Required properties:
> +- compatible: should be "fsl,imx31-epit"
What about imx6q listed below?
> +- reg: physical base address of the controller and length of memory mapped
> + region.
> +- interrupts: Should contain EPIT controller interrupt
> +- clocks: list of clock specifiers, must contain an entry for each required
> + entry in clock-names
> +- clock-names : should include entries "ipg", "per"
> +
> +Example for i.MX6QDL:
> + epit1: epit@20d0000 {
timer@...
> + compatible = "fsl,imx6q-epit", "fsl,imx31-epit";
> + reg = <0x020d0000 0x4000>;
> + interrupts = <0 56 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clks IMX6QDL_CLK_IPG_PER>,
> + <&clks IMX6QDL_CLK_EPIT1>;
> + clock-names = "ipg", "per";
> + };
> --
> 2.17.0
>
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