[RESEND PATCH V2 1/2] ARM: dts: AM33xx: Add RNG node
Lokesh Vutla
lokeshvutla at ti.com
Sat Oct 12 09:26:08 EDT 2013
Hi Benoit,
On Thursday 29 August 2013 06:22 PM, Lokesh Vutla wrote:
> Add the AM33xx RNG module's device tree data.
> Also add Documentation file describing the data
> for the RNG module.
Seems you missed this patch. Please consider this for this merge window.
Patch 2/2 is already taken by Paul.
Without this patch AM335x boot will crash as I mentioned in my cover letter.
Thanks and regards,
Lokesh
>
> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
> ---
> Changes since V1:
> - Drop "status=disabled" entry in dt node, Since
> RNG is present on all AM33xx platforms.
>
> .../devicetree/bindings/hwrng/omap_rng.txt | 22 ++++++++++++++++++++
> arch/arm/boot/dts/am33xx.dtsi | 7 +++++++
> 2 files changed, 29 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwrng/omap_rng.txt
>
> diff --git a/Documentation/devicetree/bindings/hwrng/omap_rng.txt b/Documentation/devicetree/bindings/hwrng/omap_rng.txt
> new file mode 100644
> index 0000000..6a62acd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwrng/omap_rng.txt
> @@ -0,0 +1,22 @@
> +OMAP SoC HWRNG Module
> +
> +Required properties:
> +
> +- compatible : Should contain entries for this and backward compatible
> + RNG versions:
> + - "ti,omap2-rng" for OMAP2.
> + - "ti,omap4-rng" for OMAP4, OMAP5 and AM33XX.
> + Note that these two versions are incompatible.
> +- ti,hwmods: Name of the hwmod associated with the RNG module
> +- reg : Offset and length of the register set for the module
> +- interrupts : the interrupt number for the RNG module.
> + Only used for "ti,omap4-rng".
> +
> +Example:
> +/* AM335x */
> +rng: rng at 48310000 {
> + compatible = "ti,omap4-rng";
> + ti,hwmods = "rng";
> + reg = <0x48310000 0x2000>;
> + interrupts = <111>;
> +};
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index 38b446b..26ebe30 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -530,5 +530,12 @@
> #size-cells = <1>;
> status = "disabled";
> };
> +
> + rng: rng at 48310000 {
> + compatible = "ti,omap4-rng";
> + ti,hwmods = "rng";
> + reg = <0x48310000 0x2000>;
> + interrupts = <111>;
> + };
> };
> };
>
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