diff mbox series

dt-bindings: add device tree binding for Arm TrustZone CryptoCell crypto engine

Message ID 1510751117-13627-1-git-send-email-gilad@benyossef.com
State Superseded
Headers show
Series dt-bindings: add device tree binding for Arm TrustZone CryptoCell crypto engine | expand

Commit Message

Gilad Ben-Yossef Nov. 15, 2017, 1:05 p.m. UTC
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>

---
 .../devicetree/bindings/crypto/arm-cryptocell.txt  | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/arm-cryptocell.txt

-- 
2.7.4

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Comments

Rob Herring (Arm) Nov. 16, 2017, 5:12 a.m. UTC | #1
On Wed, Nov 15, 2017 at 01:05:17PM +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>

> ---

>  .../devicetree/bindings/crypto/arm-cryptocell.txt  | 22 ++++++++++++++++++++++

>  1 file changed, 22 insertions(+)

>  create mode 100644 Documentation/devicetree/bindings/crypto/arm-cryptocell.txt

> 

> diff --git a/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt b/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt

> new file mode 100644

> index 0000000..ccf8a101

> --- /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: arm_cc712@80000000 {


crypto@...

With that,

Acked-by: Rob Herring <robh@kernel.org>



> +               compatible = "arm,cryptocell-712-ree";

> +               interrupt-parent = <&intc>;

> +               interrupts = < 0 30 4 >;

> +               reg = < 0x80000000 0x10000 >;

> +

> +       };

> -- 

> 2.7.4

> 

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diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt b/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt
new file mode 100644
index 0000000..ccf8a101
--- /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: arm_cc712@80000000 {
+               compatible = "arm,cryptocell-712-ree";
+               interrupt-parent = <&intc>;
+               interrupts = < 0 30 4 >;
+               reg = < 0x80000000 0x10000 >;
+
+       };