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Diffstat (limited to 'Documentation/powerpc/dts-bindings/fsl/sec.txt')
-rw-r--r-- | Documentation/powerpc/dts-bindings/fsl/sec.txt | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/Documentation/powerpc/dts-bindings/fsl/sec.txt b/Documentation/powerpc/dts-bindings/fsl/sec.txt deleted file mode 100644 index 2b6f2d45c45a..000000000000 --- a/Documentation/powerpc/dts-bindings/fsl/sec.txt +++ /dev/null @@ -1,68 +0,0 @@ -Freescale SoC SEC Security Engines - -Required properties: - -- compatible : Should contain entries for this and backward compatible - SEC versions, high to low, e.g., "fsl,sec2.1", "fsl,sec2.0" -- reg : Offset and length of the register set for the device -- interrupts : the SEC's interrupt number -- fsl,num-channels : An integer representing the number of channels - available. -- fsl,channel-fifo-len : An integer representing the number of - descriptor pointers each channel fetch fifo can hold. -- fsl,exec-units-mask : The bitmask representing what execution units - (EUs) are available. It's a single 32-bit cell. EU information - should be encoded following the SEC's Descriptor Header Dword - EU_SEL0 field documentation, i.e. as follows: - - bit 0 = reserved - should be 0 - bit 1 = set if SEC has the ARC4 EU (AFEU) - bit 2 = set if SEC has the DES/3DES EU (DEU) - bit 3 = set if SEC has the message digest EU (MDEU/MDEU-A) - bit 4 = set if SEC has the random number generator EU (RNG) - bit 5 = set if SEC has the public key EU (PKEU) - bit 6 = set if SEC has the AES EU (AESU) - bit 7 = set if SEC has the Kasumi EU (KEU) - bit 8 = set if SEC has the CRC EU (CRCU) - bit 11 = set if SEC has the message digest EU extended alg set (MDEU-B) - -remaining bits are reserved for future SEC EUs. - -- fsl,descriptor-types-mask : The bitmask representing what descriptors - are available. It's a single 32-bit cell. Descriptor type information - should be encoded following the SEC's Descriptor Header Dword DESC_TYPE - field documentation, i.e. as follows: - - bit 0 = set if SEC supports the aesu_ctr_nonsnoop desc. type - bit 1 = set if SEC supports the ipsec_esp descriptor type - bit 2 = set if SEC supports the common_nonsnoop desc. type - bit 3 = set if SEC supports the 802.11i AES ccmp desc. type - bit 4 = set if SEC supports the hmac_snoop_no_afeu desc. type - bit 5 = set if SEC supports the srtp descriptor type - bit 6 = set if SEC supports the non_hmac_snoop_no_afeu desc.type - bit 7 = set if SEC supports the pkeu_assemble descriptor type - bit 8 = set if SEC supports the aesu_key_expand_output desc.type - bit 9 = set if SEC supports the pkeu_ptmul descriptor type - bit 10 = set if SEC supports the common_nonsnoop_afeu desc. type - bit 11 = set if SEC supports the pkeu_ptadd_dbl descriptor type - - ..and so on and so forth. - -Optional properties: - -- interrupt-parent : the phandle for the interrupt controller that - services interrupts for this device. - -Example: - - /* MPC8548E */ - crypto@30000 { - compatible = "fsl,sec2.1", "fsl,sec2.0"; - reg = <0x30000 0x10000>; - interrupts = <29 2>; - interrupt-parent = <&mpic>; - fsl,num-channels = <4>; - fsl,channel-fifo-len = <24>; - fsl,exec-units-mask = <0xfe>; - fsl,descriptor-types-mask = <0x12b0ebf>; - }; |