[PATCH v2 1/6] Documentation: dt: atmel-at91: Document secumod bindings

From: Alexandre Belloni
Date: Wed Sep 21 2016 - 18:10:01 EST


A security module is available starting with sama5d2, add its bindings.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
Documentation/devicetree/bindings/arm/atmel-at91.txt | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
index e1f5ad855f14..eea1f44d5666 100644
--- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
@@ -225,3 +225,20 @@ required properties:
compatible = "atmel,sama5d3-sfr", "syscon";
reg = <0xf0038000 0x60>;
};
+
+Security Module (SECUMOD)
+
+The Security Module macrocell provides all necessary secure functions to avoid
+voltage, temperature, frequency and mechanical attacks on the chip. It also
+embeds secure memories that can be scrambled
+
+required properties:
+- compatible: Should be "atmel,<chip>-secumod", "syscon".
+ <chip> can be "sama5d2".
+- reg: Should contain registers location and length
+
+ secumod@fc040000 {
+ compatible = "atmel,sama5d2-secumod", "syscon";
+ reg = <0xfc040000 0x100>;
+ };
+
--
2.9.3