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| author | Mark A. Greer <mgreer@animalcreek.com> | 2013-08-23 14:12:36 -0700 |
|---|---|---|
| committer | Benoit Cousson <bcousson@baylibre.com> | 2013-10-11 21:06:40 +0200 |
| commit | 99919e5e1545d819023f44e5e97d2105af0ca613 (patch) | |
| tree | 4c95dac5cead07440a22d2797c72cfbad013f280 | |
| parent | f8302e1efa7972b0eb8beefb80d756ddf2f30631 (diff) | |
| download | lwn-99919e5e1545d819023f44e5e97d2105af0ca613.tar.gz lwn-99919e5e1545d819023f44e5e97d2105af0ca613.zip | |
ARM: dts: AM33XX: Add AES data and documentation
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>
Signed-off-by: Joel Fernandes <joelf@ti.com>
[joelf@ti.com: Dropped interrupt-parent property, documentation fixups]
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/omap-aes.txt | 31 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am335x-bone.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am335x-evm.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am335x-evmsk.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am33xx.dtsi | 10 |
5 files changed, 53 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/crypto/omap-aes.txt b/Documentation/devicetree/bindings/crypto/omap-aes.txt new file mode 100644 index 000000000000..fd9717653cbb --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/omap-aes.txt @@ -0,0 +1,31 @@ +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 module +- reg : Offset and length of the register set for the module +- interrupts : the interrupt-specifier for the AES module. + +Optional properties: +- dmas: DMA specifiers for tx and rx dma. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: DMA request names should include "tx" and "rx" if present. + +Example: + /* AM335x */ + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + 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 8a9802ee6380..94ee427a6db1 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -23,3 +23,7 @@ &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 09786efc25c1..ff834add842d 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -527,3 +527,7 @@ &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 08d5cd9e6457..5f12b28dd593 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -429,3 +429,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 5f114a7f9484..e36aed69a363 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -721,5 +721,15 @@ dmas = <&edma 36>; dma-names = "rx"; }; + + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + interrupts = <102>; + dmas = <&edma 6>, + <&edma 5>; + dma-names = "tx", "rx"; + }; }; }; |