diff options
Diffstat (limited to 'target/linux/omap/patches-3.12/300-ARM-dts-AM33XX-Add-SHAM-data-and-documentation.patch')
| -rw-r--r-- | target/linux/omap/patches-3.12/300-ARM-dts-AM33XX-Add-SHAM-data-and-documentation.patch | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/target/linux/omap/patches-3.12/300-ARM-dts-AM33XX-Add-SHAM-data-and-documentation.patch b/target/linux/omap/patches-3.12/300-ARM-dts-AM33XX-Add-SHAM-data-and-documentation.patch new file mode 100644 index 0000000000..c4525c46bd --- /dev/null +++ b/target/linux/omap/patches-3.12/300-ARM-dts-AM33XX-Add-SHAM-data-and-documentation.patch @@ -0,0 +1,108 @@ +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. + +[joelf@ti.com: Dropped interrupt-parrent property, documentation fixups] +CC: Paul Walmsley <paul@pwsan.com> +Signed-off-by: Mark A. Greer <mgreer@animalcreek.com> +Acked-by: Mark Rutland <mark.rutland@arm.com> + +--- +.../devicetree/bindings/crypto/omap-sham.txt | 28 ++++++++++++++++++++++ + 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 | 9 +++++++ + 5 files changed, 49 insertions(+) + create mode 100644 Documentation/devicetree/bindings/crypto/omap-sham.txt + +diff --git a/Documentation/devicetree/bindings/crypto/omap-sham.txt b/Documentation/devicetree/bindings/crypto/omap-sham.txt +new file mode 100644 +index 0000000..f839acd +--- /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 0d63348..8a9802e 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 23b0a3e..d59e51c 100644 +--- a/arch/arm/boot/dts/am335x-evm.dts ++++ b/arch/arm/boot/dts/am335x-evm.dts +@@ -522,3 +522,7 @@ + status = "okay"; + vmmc-supply = <&vmmc_reg>; + }; ++ ++&sham { ++ status = "okay"; ++}; +diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts +index bc93895..d45a330 100644 +--- a/arch/arm/boot/dts/am335x-evmsk.dts ++++ b/arch/arm/boot/dts/am335x-evmsk.dts +@@ -424,3 +424,7 @@ + status = "okay"; + vmmc-supply = <&vmmc_reg>; + }; ++ ++&sham { ++ status = "okay"; ++}; +diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi +index 553adc6..299710b 100644 +--- a/arch/arm/boot/dts/am33xx.dtsi ++++ b/arch/arm/boot/dts/am33xx.dtsi +@@ -710,5 +710,14 @@ + #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"; ++ }; + }; + }; |