Document DT bindings for crypto Samsung Exynos5433 SlimSSS (Slim Security SubSystem) IP. Signed-off-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx> --- .../devicetree/bindings/crypto/samsung-sss.txt | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/crypto/samsung-sss.txt b/Documentation/devicetree/bindings/crypto/samsung-sss.txt index 7a5ca56683cc..d9af679d38ab 100644 --- a/Documentation/devicetree/bindings/crypto/samsung-sss.txt +++ b/Documentation/devicetree/bindings/crypto/samsung-sss.txt @@ -1,4 +1,4 @@ -Samsung SoC SSS (Security SubSystem) module +Samsung SoC SSS (Security SubSystem) and SlimSSS module The SSS module in S5PV210 SoC supports the following: -- Feeder (FeedCtrl) @@ -15,6 +15,12 @@ supports the following also: -- True Random Number Generator (TRNG) -- Secure Key Manager +Exynos5433 has both SSS and SlimSSS module. +SlimSSS in Exynos5433 supports: +-- Feeder (FeedCtrl) +-- Advanced Encryption Standard (AES) +-- SHA-1/SHA-256/HMAC (SHA-1/SHA-256) + Required properties: - compatible : Should contain entries for this and backward compatible @@ -22,11 +28,13 @@ Required properties: - "samsung,s5pv210-secss" for S5PV210 SoC. - "samsung,exynos4210-secss" for Exynos4210, Exynos4212, Exynos4412, Exynos5250, Exynos5260 and Exynos5420 SoCs. + - "samsung,exynos5433-slim-sss" for Exynos5433 SoCs. - reg : Offset and length of the register set for the module - interrupts : interrupt specifiers of SSS module interrupts (one feed control interrupt). - clocks : list of clock phandle and specifier pairs for all clocks listed in clock-names property. -- clock-names : list of device clock input names; should contain one entry - "secss". +- clock-names : list of device clock input names; should contain "pclk" and + "aclk" for slim-sss in Exynos5433, and one entry "secss" for + other compatibles. -- 2.20.0
