diff options
Diffstat (limited to 'Documentation/devicetree/bindings/crypto/fsl-sec4.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/fsl-sec4.txt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt index adeca34..24ad1ee 100644 --- a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt +++ b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt @@ -6,6 +6,7 @@ Copyright (C) 2008-2011 Freescale Semiconductor Inc. -Overview -SEC 4 Node -Job Ring Node + -CAAM DMA Node -Run Time Integrity Check (RTIC) Node -Run Time Integrity Check (RTIC) Memory Node -Secure Non-Volatile Storage (SNVS) Node @@ -123,6 +124,9 @@ PROPERTIES EXAMPLE + +iMX6QDL/SX requires four clocks + crypto@300000 { compatible = "fsl,sec-v4.0"; fsl,sec-era = <2>; @@ -139,6 +143,23 @@ EXAMPLE clock-names = "mem", "aclk", "ipg", "emi_slow"; }; + +iMX6UL does only require three clocks + + crypto: caam@2140000 { + compatible = "fsl,sec-v4.0"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2140000 0x3c000>; + ranges = <0 0x2140000 0x3c000>; + interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; + + clocks = <&clks IMX6UL_CLK_CAAM_MEM>, + <&clks IMX6UL_CLK_CAAM_ACLK>, + <&clks IMX6UL_CLK_CAAM_IPG>; + clock-names = "mem", "aclk", "ipg"; + }; + ===================================================================== Job Ring (JR) Node @@ -195,6 +216,26 @@ EXAMPLE interrupts = <88 2>; }; +===================================================================== +CAAM DMA Node + + Child node of the crypto node that enables the use of the DMA capabilities + of the CAAM by a stand-alone driver. The only required property is the + "compatible" property. All the other properties are determined from + the job rings on which the CAAM DMA driver depends (ex: the number of + dma-channels is equal to the number of defined job rings). + + - compatible + Usage: required + Value type: <string> + Definition: Must include "fsl,sec-v4.0-dma" + +EXAMPLE + caam-dma { + compatible = "fsl,sec-v5.4-dma", + "fsl,sec-v5.0-dma", + "fsl,sec-v4.0-dma"; + } ===================================================================== Run Time Integrity Check (RTIC) Node |