diff options
Diffstat (limited to 'target/linux/omap/patches-3.12/301-ARM-dts-AM33XX-Add-AES-data-and-documentation.patch')
| -rw-r--r-- | target/linux/omap/patches-3.12/301-ARM-dts-AM33XX-Add-AES-data-and-documentation.patch | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/target/linux/omap/patches-3.12/301-ARM-dts-AM33XX-Add-AES-data-and-documentation.patch b/target/linux/omap/patches-3.12/301-ARM-dts-AM33XX-Add-AES-data-and-documentation.patch new file mode 100644 index 0000000..52763c3 --- /dev/null +++ b/target/linux/omap/patches-3.12/301-ARM-dts-AM33XX-Add-AES-data-and-documentation.patch @@ -0,0 +1,112 @@ +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. + +[joelf@ti.com: Dropped interrupt-parent propert, documentation fixups] + +CC: Paul Walmsley <paul@pwsan.com> +Signed-off-by: Mark A. Greer <mgreer@animalcreek.com> + +--- +.../devicetree/bindings/crypto/omap-aes.txt | 31 ++++++++++++++++++++++ + arch/arm/boot/dts/am335x-bone.dts | 4 +++ + arch/arm/boot/dts/am335x-evm.dts | 4 +++ + arch/arm/boot/dts/am335x-evmsk.dts | 4 +++ + arch/arm/boot/dts/am33xx.dtsi | 10 +++++++ + 5 files changed, 53 insertions(+) + create mode 100644 Documentation/devicetree/bindings/crypto/omap-aes.txt + +diff --git a/Documentation/devicetree/bindings/crypto/omap-aes.txt b/Documentation/devicetree/bindings/crypto/omap-aes.txt +new file mode 100644 +index 0000000..fd97176 +--- /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 8a9802e..94ee427 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 d59e51c..86463fa 100644 +--- a/arch/arm/boot/dts/am335x-evm.dts ++++ b/arch/arm/boot/dts/am335x-evm.dts +@@ -526,3 +526,7 @@ + &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 d45a330..f577e65 100644 +--- a/arch/arm/boot/dts/am335x-evmsk.dts ++++ b/arch/arm/boot/dts/am335x-evmsk.dts +@@ -428,3 +428,7 @@ + &sham { + status = "okay"; + }; ++ ++&aes { ++ status = "okay"; ++}; +diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi +index 299710b..2664da9 100644 +--- a/arch/arm/boot/dts/am33xx.dtsi ++++ b/arch/arm/boot/dts/am33xx.dtsi +@@ -719,5 +719,15 @@ + 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"; ++ }; + }; + }; |