Message ID | 1374017368-5267-3-git-send-email-mgreer@animalcreek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 07/16/2013 06:29 PM, Mark A. Greer wrote: > From: "Mark A. Greer" <mgreer@animalcreek.com> > > Add the generic AM33XX AES module's device tree data and > enable it for the am335x-evm, am335x-evmsk, and am335x-bone > platforms. Also add Documentation file describing the data > for the AES module. > > CC: Paul Walmsley <paul@pwsan.com> > Signed-off-by: Mark A. Greer <mgreer@animalcreek.com> Tested-by: Joel Fernandes <joelf@ti.com> Thanks, -Joel -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/crypto/omap-aes.txt b/Documentation/devicetree/bindings/crypto/omap-aes.txt new file mode 100644 index 0000000..b51d12f --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/omap-aes.txt @@ -0,0 +1,35 @@ +OMAP SoC AES crypto Module + +Required properties: + +- compatible : Should contain entries for this and backward compatible + AES versions: + - "ti,omap2-aes" for OMAP2. + - "ti,omap3-aes" for OMAP3. + - "ti,omap4-aes" for OMAP4 and AM33XX. + Note that the OMAP2 and 3 versions are compatible (OMAP3 supports + more algorithms) but they are incompatible with OMAP4. +- ti,hwmods: Name of the hwmod associated with the AES odule +- reg : Offset and length of the register set for the module +- interrupt-parent : the phandle for the interrupt controller that + services interrupts for this module. +- interrupts : the interrupt number for the AES odule. + +Optional properties: +- dmas: DMA controller phandle and DMA request ordered pairs. +- dma-names: DMA request names. This string corresponds 1:1 with + the ordered pairs in dmas. The string naming is to be + "tx" for TX request and "rx" for RX request. + +Example: + /* AM335x */ + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + interrupt-parent = <&intc>; + interrupts = <102>; + dmas = <&edma 6 + &edma 5>; + dma-names = "tx", "rx"; + }; diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index bc75b2c..0cb454e 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -238,3 +238,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 9b8c56d..76ba004 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -492,3 +492,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index b04aea1..483d263 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -405,3 +405,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index eb0e719..b20265a 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -539,5 +539,16 @@ dmas = <&edma 36>; dma-names = "rx"; }; + + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + interrupt-parent = <&intc>; + interrupts = <102>; + dmas = <&edma 6 + &edma 5>; + dma-names = "tx", "rx"; + }; }; };