From: "Mark A. Greer" <mgr...@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 <p...@pwsan.com>
Signed-off-by: Mark A. Greer <mgr...@animalcreek.com>
---
.../devicetree/bindings/crypto/omap-aes.txt | 35 ++++++++++++++++++++++
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 | 11 +++++++
5 files changed, 58 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..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 61dc5d4..025a47e 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -406,3 +406,7 @@
&sham {
status = "okay";
};
+
+&aes {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 63a5e95..2a7ff0f 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -540,5 +540,16 @@
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";
+ };
};
};
--
1.7.12
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