The DCP block is present on 6sll and 6ull but not enabled. The hardware is mostly compatible with 6sl, the only important difference is that explicit clock enabling is required. There were several issues with the functionality of this driver (it didn't even probe properly) but they are fixed in cryptodev/master by this series: https://lore.kernel.org/patchwork/cover/994874/ Leonard Crestez (4): dt-bindings: crypto: Mention clocks for mxs-dcp crypto: mxs-dcp - Add support for dcp clk ARM: dts: imx6ull: Add dcp node ARM: imx_v6_v7_defconfig: Enable CRYPTO_DEV_MXS_DCP .../devicetree/bindings/crypto/fsl-dcp.txt | 2 ++ arch/arm/boot/dts/imx6ull.dtsi | 10 +++++++ arch/arm/configs/imx_v6_v7_defconfig | 1 + drivers/crypto/mxs-dcp.c | 28 +++++++++++++++++-- 4 files changed, 38 insertions(+), 3 deletions(-) -- 2.17.1