| Message ID | 1510812929-3937-1-git-send-email-gilad@benyossef.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | [PATCHi,v2] dt-bindings: add device tree binding for Arm TrustZone CryptoCell crypto engine | expand |
On Thu, Nov 16, 2017 at 06:15:28AM +0000, Gilad Ben-Yossef wrote: > The Arm TrustZone CryptoCell is a hardware security engine. This patch > adds DT bindings for its Rich Execution Environment crypto engine. > > A driver supporting this device is already present in the staging tree. > > Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> > Acked-by: Rob Herring <robh@kernel.org> Patch applied. Thanks.
diff --git a/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt b/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt new file mode 100644 index 0000000..cec8d5d --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt @@ -0,0 +1,22 @@ +Arm TrustZone CryptoCell cryptographic engine + +Required properties: +- compatible: Should be "arm,cryptocell-712-ree". +- reg: Base physical address of the engine and length of memory mapped region. +- interrupts: Interrupt number for the device. + +Optional properties: +- interrupt-parent: The phandle for the interrupt controller that services + interrupts for this device. +- clocks: Reference to the crypto engine clock. +- dma-coherent: Present if dma operations are coherent. + +Examples: + + arm_cc712: crypto@80000000 { + compatible = "arm,cryptocell-712-ree"; + interrupt-parent = <&intc>; + interrupts = < 0 30 4 >; + reg = < 0x80000000 0x10000 >; + + };