From e07fd0f67a43966b05222e81c938bc20db11a91d Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Thu, 22 Sep 2016 00:09:34 +0200 Subject: Documentation: dt: atmel-at91: Document secumod bindings A security module is available starting with sama5d2, add its bindings. Signed-off-by: Alexandre Belloni Acked-by: Rob Herring --- Documentation/devicetree/bindings/arm/atmel-at91.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'Documentation/devicetree/bindings/arm') diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index e1f5ad855f14..29737b9b616e 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -225,3 +225,19 @@ 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,-secumod", "syscon". + can be "sama5d2". +- reg: Should contain registers location and length + + secumod@fc040000 { + compatible = "atmel,sama5d2-secumod", "syscon"; + reg = <0xfc040000 0x100>; + }; -- cgit v1.2.3-59-g8ed1b