On 23.01.2019 08:59, Krzysztof Kozlowski wrote: > On Tue, 22 Jan 2019 at 16:26, Kamil Konieczny > <k.konieczny@xxxxxxxxxxxxxxxxxxx> wrote: >> >> 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 | 13 ++++++++++--- >> 1 file changed, 10 insertions(+), 3 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/crypto/samsung-sss.txt b/Documentation/devicetree/bindings/crypto/samsung-sss.txt >> [...] >> - compatible : Should contain entries for this and backward compatible >> @@ -22,11 +27,13 @@ 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 Exynos542x and Exynos5433 SoCs. > > For Exynos5420 there is a driver for regular/full SSS module. It would > be nice to explain what is the difference between them and/or mention > potential conflicts of usage. > > The point is that previously we added drivers/bindings for SSS and now > you use the other interface. It might be pretty confusing for users... By the way, Exynos4 (Exynos4210, 4412) SSS do not have ARCFOUR (ARC4), nor TRNG nor Secure Key Manager. -- Best regards, Kamil Konieczny Samsung R&D Institute Poland