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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2013-08-29 18:22:09 +0530 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2013-10-29 13:58:51 -0700 |
| commit | ed845d6b78bf32b396f7f1278eed0b87446934b1 (patch) | |
| tree | b5b20bba4439124681835bcf2872778a2fb9931c | |
| parent | d4cbe80db468dcfaa058f9f00a332784e5dff316 (diff) | |
| download | op-kernel-dev-ed845d6b78bf32b396f7f1278eed0b87446934b1.zip op-kernel-dev-ed845d6b78bf32b396f7f1278eed0b87446934b1.tar.gz | |
ARM: dts: AM33xx: Add RNG node
Add the AM33xx RNG module's device tree data.
Also add Documentation file describing the data
for the RNG module.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | Documentation/devicetree/bindings/hwrng/omap_rng.txt | 22 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am33xx.dtsi | 7 |
2 files changed, 29 insertions, 0 deletions
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@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 9ae258e..fcb9c8e 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -779,5 +779,12 @@ <&edma 11>; dma-names = "tx", "rx"; }; + + rng: rng@48310000 { + compatible = "ti,omap4-rng"; + ti,hwmods = "rng"; + reg = <0x48310000 0x2000>; + interrupts = <111>; + }; }; }; |
