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-rw-r--r--Documentation/devicetree/bindings/crypto/samsung-sss.txt15
1 files changed, 12 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/crypto/samsung-sss.txt b/Documentation/devicetree/bindings/crypto/samsung-sss.txt
index f6e09a6231f4..a6dafa83c6df 100644
--- a/Documentation/devicetree/bindings/crypto/samsung-sss.txt
+++ b/Documentation/devicetree/bindings/crypto/samsung-sss.txt
@@ -8,16 +8,25 @@ The SSS module in S5PV210 SoC supports the following:
-- SHA-1/SHA-256/MD5/HMAC (SHA-1/SHA-256/MD5)/PRNG
-- PRNG: Pseudo Random Number Generator
+The SSS module in Exynos4 (Exynos4210) and
+Exynos5 (Exynos5420 and Exynos5250) SoCs
+supports the following also:
+-- ARCFOUR (ARC4)
+-- True Random Number Generator (TRNG)
+-- Secure Key Manager
+
Required properties:
- compatible : Should contain entries for this and backward compatible
SSS versions:
- "samsung,s5pv210-secss" for S5PV210 SoC.
+ - "samsung,exynos4210-secss" for Exynos4210, Exynos4212, Exynos4412, Exynos5250,
+ Exynos5260 and Exynos5420 SoCs.
- reg : Offset and length of the register set for the module
- interrupts : interrupt specifiers of SSS module interrupts, should contain
- two entries:
- - first : feed control interrupt,
- - second : hash interrupt.
+ following entries:
+ - first : feed control interrupt (required for all variants),
+ - second : hash interrupt (required only for samsung,s5pv210-secss).
- clocks : list of clock phandle and specifier pairs for all clocks listed in
clock-names property.

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