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authorMark A. Greer <mgreer@animalcreek.com>2013-08-24 01:12:35 +0400
committerBenoit Cousson <bcousson@baylibre.com>2013-10-11 23:06:40 +0400
commitf8302e1efa7972b0eb8beefb80d756ddf2f30631 (patch)
tree1ffaf24546a754a6f144b4050e4a391e820fd3b4
parent806e943153c50a14f107d9a612af1fddc3ceb9da (diff)
downloadlinux-f8302e1efa7972b0eb8beefb80d756ddf2f30631.tar.xz
ARM: dts: AM33XX: Add SHAM data and documentation
Add the generic AM33XX SHAM 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 SHAM 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] Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
-rw-r--r--Documentation/devicetree/bindings/crypto/omap-sham.txt28
-rw-r--r--arch/arm/boot/dts/am335x-bone.dts4
-rw-r--r--arch/arm/boot/dts/am335x-evm.dts4
-rw-r--r--arch/arm/boot/dts/am335x-evmsk.dts4
-rw-r--r--arch/arm/boot/dts/am33xx.dtsi9
5 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/crypto/omap-sham.txt b/Documentation/devicetree/bindings/crypto/omap-sham.txt
new file mode 100644
index 000000000000..f839acd6f0ee
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/omap-sham.txt
@@ -0,0 +1,28 @@
+OMAP SoC SHA crypto Module
+
+Required properties:
+
+- compatible : Should contain entries for this and backward compatible
+ SHAM versions:
+ - "ti,omap2-sham" for OMAP2 & OMAP3.
+ - "ti,omap4-sham" for OMAP4 and AM33XX.
+ Note that these two versions are incompatible.
+- ti,hwmods: Name of the hwmod associated with the SHAM module
+- reg : Offset and length of the register set for the module
+- interrupts : the interrupt-specifier for the SHAM module.
+
+Optional properties:
+- dmas: DMA specifiers for the rx dma. See the DMA client binding,
+ Documentation/devicetree/bindings/dma/dma.txt
+- dma-names: DMA request name. Should be "rx" if a dma is present.
+
+Example:
+ /* AM335x */
+ sham: sham@53100000 {
+ compatible = "ti,omap4-sham";
+ ti,hwmods = "sham";
+ reg = <0x53100000 0x200>;
+ interrupts = <109>;
+ dmas = <&edma 36>;
+ dma-names = "rx";
+ };
diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index 0d6334875df8..8a9802ee6380 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts
@@ -19,3 +19,7 @@
&mmc1 {
vmmc-supply = <&ldo3_reg>;
};
+
+&sham {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 028ca096d18d..09786efc25c1 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -523,3 +523,7 @@
vmmc-supply = <&vmmc_reg>;
bus-width = <4>;
};
+
+&sham {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 563a2b136e0e..08d5cd9e6457 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -425,3 +425,7 @@
vmmc-supply = <&vmmc_reg>;
bus-width = <4>;
};
+
+&sham {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 8aabaa0eb264..5f114a7f9484 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -712,5 +712,14 @@
#size-cells = <1>;
status = "disabled";
};
+
+ sham: sham@53100000 {
+ compatible = "ti,omap4-sham";
+ ti,hwmods = "sham";
+ reg = <0x53100000 0x200>;
+ interrupts = <109>;
+ dmas = <&edma 36>;
+ dma-names = "rx";
+ };
};
};