diff options
Diffstat (limited to 'Documentation/devicetree/bindings/crypto/mv_cesa.txt')
-rw-r--r-- | Documentation/devicetree/bindings/crypto/mv_cesa.txt | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/crypto/mv_cesa.txt b/Documentation/devicetree/bindings/crypto/mv_cesa.txt index eaa2873e7b25..13b8fc5ddcf2 100644 --- a/Documentation/devicetree/bindings/crypto/mv_cesa.txt +++ b/Documentation/devicetree/bindings/crypto/mv_cesa.txt @@ -2,21 +2,29 @@ Marvell Cryptographic Engines And Security Accelerator Required properties: - compatible : should be "marvell,orion-crypto" -- reg : base physical address of the engine and length of memory mapped - region, followed by base physical address of sram and its memory - length -- reg-names : "regs" , "sram"; -- interrupts : interrupt number +- reg: base physical address of the engine and length of memory mapped + region. Can also contain an entry for the SRAM attached to the CESA, + but this representation is deprecated and marvell,crypto-srams should + be used instead +- reg-names: "regs". Can contain an "sram" entry, but this representation + is deprecated and marvell,crypto-srams should be used instead +- interrupts: interrupt number - clocks: reference to the crypto engines clocks. This property is only required for Dove platforms +- marvell,crypto-srams: phandle to crypto SRAM definitions + +Optional properties: +- marvell,crypto-sram-size: SRAM size reserved for crypto operations, if not + specified the whole SRAM is used (2KB) Examples: crypto@30000 { compatible = "marvell,orion-crypto"; - reg = <0x30000 0x10000>, - <0x4000000 0x800>; - reg-names = "regs" , "sram"; + reg = <0x30000 0x10000>; + reg-names = "regs"; interrupts = <22>; + marvell,crypto-srams = <&crypto_sram>; + marvell,crypto-sram-size = <0x600>; status = "okay"; }; |