From 0413fe77b5963779d2ab0f261f3fc4e6e4cfca34 Mon Sep 17 00:00:00 2001
From: "Mark A. Greer" <mgreer@animalcreek.com>
Date: Fri, 23 Aug 2013 14:12:36 -0700
Subject: [PATCH 49/58] 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>
---
 .../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 09786ef..ff834ad 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 08d5cd9..5f12b28 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 5f114a7..e36aed6 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";
+		};
 	};
 };
-- 
1.8.4.rc3