On Sat, Jun 20, 2015 at 12:12 PM, Philippe Reynes <tremyfr@xxxxxxxxx> wrote:
> This adds documentation of device tree bindings for the
> mxc rtc.
Perhaps don't further propagate the long dead MXC name and use "imx"
everywhere. What the Linux driver is called doesn't matter here.
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Pawel Moll <pawel.moll@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Philippe Reynes <tremyfr@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/rtc/rtc-mxc.txt | 27 +++++++++++++++++++++
> 1 files changed, 27 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mxc.txt
>
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-mxc.txt b/Documentation/devicetree/bindings/rtc/rtc-mxc.txt
> new file mode 100644
> index 0000000..5505493
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/rtc-mxc.txt
> @@ -0,0 +1,27 @@
> +* Real Time Clock of the i.MX SoCs
> +
> +RTC controller for the i.MX SoCs
> +
> +Required properties:
> +- compatible: Should be "fsl,imx1-rtc" or "fsl,imx21-rtc".
What about newer versions with the secure functionality. IIRC, that
was in MX31 and later.
> +- reg: physical base address of the controller and length of memory mapped
> + region.
> +- interrupts: IRQ line for the RTC.
> +- clocks: should contain two entries:
> + * one for the input reference
> + * one for the the SoC RTC
> +- clock-names: should contain:
> + * "rtc" for the input reference clock
> + * "ipg" for the SoC RTC clock
> +
> +Example:
> +
> +rtc@10007000 {
> + compatible = "fsl,imx21-rtc";
> + reg = <0x10007000 0x1000>;
> + interrupts = <22>;
> + clocks = <&clks IMX27_CLK_CKIL>,
> + <&clks IMX27_CLK_RTC_IPG_GATE>;
> + clock-names = "rtc, "ipg";
> + status = "disabled";
> +};
> --
> 1.7.4.4
>
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