From ed845d6b78bf32b396f7f1278eed0b87446934b1 Mon Sep 17 00:00:00 2001 From: Lokesh Vutla <lokeshvutla@ti.com> Date: Thu, 29 Aug 2013 12:52:09 +0000 Subject: 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> --- --- Documentation/devicetree/bindings/hwrng/omap_rng.txt | 22 +++++++++++++++++++ arch/arm/boot/dts/am33xx.dtsi | 7 ++++++ 2 files changed, 29 insertions(+) Index: linux-3.12.13-rt21-r7s5/Documentation/devicetree/bindings/hwrng/omap_rng.txt =================================================================== @ linux-3.12.13-rt21-r7s5/Documentation/devicetree/bindings/hwrng/omap_rng.txt:4 @ +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>; +}; Index: linux-3.12.13-rt21-r7s5/arch/arm/boot/dts/am33xx.dtsi =================================================================== --- linux-3.12.13-rt21-r7s5.orig/arch/arm/boot/dts/am33xx.dtsi +++ linux-3.12.13-rt21-r7s5/arch/arm/boot/dts/am33xx.dtsi @ linux-3.12.13-rt21-r7s5/Documentation/devicetree/bindings/hwrng/omap_rng.txt:435 @ ti,hwmods = "lcdc"; }; + rng: rng@48310000 { + compatible = "ti,omap4-rng"; + ti,hwmods = "rng"; + reg = <0x48310000 0x2000>; + interrupts = <111>; + }; + usb: usb@47400000 { compatible = "ti,am33xx-usb"; reg = <0x47400000 0x1000>;