109 lines
3.3 KiB
Diff
109 lines
3.3 KiB
Diff
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Add the generic AM33XX SHAM module's device tree data and
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enable it for the am335x-evm, am335x-evmsk, and am335x-bone
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platforms. Also add Documentation file describing the data
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for the SHAM module.
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[joelf@ti.com: Dropped interrupt-parrent property, documentation fixups]
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CC: Paul Walmsley <paul@pwsan.com>
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Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
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Acked-by: Mark Rutland <mark.rutland@arm.com>
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---
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.../devicetree/bindings/crypto/omap-sham.txt | 28 ++++++++++++++++++++++
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arch/arm/boot/dts/am335x-bone.dts | 4 ++++
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arch/arm/boot/dts/am335x-evm.dts | 4 ++++
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arch/arm/boot/dts/am335x-evmsk.dts | 4 ++++
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arch/arm/boot/dts/am33xx.dtsi | 9 +++++++
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5 files changed, 49 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/crypto/omap-sham.txt
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diff --git a/Documentation/devicetree/bindings/crypto/omap-sham.txt b/Documentation/devicetree/bindings/crypto/omap-sham.txt
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new file mode 100644
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index 0000000..f839acd
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/crypto/omap-sham.txt
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@@ -0,0 +1,28 @@
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+OMAP SoC SHA crypto Module
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+
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+Required properties:
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+
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+- compatible : Should contain entries for this and backward compatible
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+ SHAM versions:
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+ - "ti,omap2-sham" for OMAP2 & OMAP3.
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+ - "ti,omap4-sham" for OMAP4 and AM33XX.
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+ Note that these two versions are incompatible.
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+- ti,hwmods: Name of the hwmod associated with the SHAM module
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+- reg : Offset and length of the register set for the module
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+- interrupts : the interrupt-specifier for the SHAM module.
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+
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+Optional properties:
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+- dmas: DMA specifiers for the rx dma. See the DMA client binding,
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+ Documentation/devicetree/bindings/dma/dma.txt
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+- dma-names: DMA request name. Should be "rx" if a dma is present.
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+
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+Example:
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+ /* AM335x */
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+ sham: sham@53100000 {
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+ compatible = "ti,omap4-sham";
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+ ti,hwmods = "sham";
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+ reg = <0x53100000 0x200>;
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+ interrupts = <109>;
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+ dmas = <&edma 36>;
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+ dma-names = "rx";
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+ };
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diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
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index 0d63348..8a9802e 100644
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--- a/arch/arm/boot/dts/am335x-bone.dts
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+++ b/arch/arm/boot/dts/am335x-bone.dts
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@@ -19,3 +19,7 @@
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&mmc1 {
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vmmc-supply = <&ldo3_reg>;
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};
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+
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+&sham {
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+ status = "okay";
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+};
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diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
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index 23b0a3e..d59e51c 100644
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--- a/arch/arm/boot/dts/am335x-evm.dts
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+++ b/arch/arm/boot/dts/am335x-evm.dts
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@@ -522,3 +522,7 @@
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status = "okay";
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vmmc-supply = <&vmmc_reg>;
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};
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+
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+&sham {
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+ status = "okay";
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+};
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diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
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index bc93895..d45a330 100644
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--- a/arch/arm/boot/dts/am335x-evmsk.dts
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+++ b/arch/arm/boot/dts/am335x-evmsk.dts
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@@ -424,3 +424,7 @@
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status = "okay";
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vmmc-supply = <&vmmc_reg>;
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};
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+
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+&sham {
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+ status = "okay";
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+};
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diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
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index 553adc6..299710b 100644
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--- a/arch/arm/boot/dts/am33xx.dtsi
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+++ b/arch/arm/boot/dts/am33xx.dtsi
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@@ -710,5 +710,14 @@
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#size-cells = <1>;
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status = "disabled";
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};
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+
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+ sham: sham@53100000 {
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+ compatible = "ti,omap4-sham";
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+ ti,hwmods = "sham";
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+ reg = <0x53100000 0x200>;
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+ interrupts = <109>;
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+ dmas = <&edma 36>;
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+ dma-names = "rx";
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+ };
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};
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};
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