Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt

   1 * Device Tree Bindings for IBM Virtual Trusted Platform Module(vtpm)
   2
   3 Required properties:
   4
   5 - compatible            : property name that conveys the platform architecture
   6                           identifiers, as 'IBM,vtpm'
   7 - device_type           : specifies type of virtual device
   8 - interrupts            : property specifying the interrupt source number and
   9                           sense code associated with this virtual I/O Adapters
  10 - ibm,my-drc-index      : integer index for the connector between the device
  11                           and its parent - present only if Dynamic
  12                           Reconfiguration(DR) Connector is enabled
  13 - ibm,#dma-address-cells: specifies the number of cells that are used to
  14                           encode the physical address field of dma-window
  15                           properties
  16 - ibm,#dma-size-cells   : specifies the number of cells that are used to
  17                           encode the size field of dma-window properties
  18 - ibm,my-dma-window     : specifies DMA window associated with this virtual
  19                           IOA
  20 - ibm,loc-code          : specifies the unique and persistent location code
  21                           associated with this virtual I/O Adapters
  22 - linux,sml-base        : 64-bit base address of the reserved memory allocated
  23                           for the firmware event log
  24 - linux,sml-size        : size of the memory allocated for the firmware event log
  25
  26 Example (IBM Virtual Trusted Platform Module)
  27 ---------------------------------------------
  28
  29                 vtpm@30000003 {
  30                         ibm,#dma-size-cells = <0x2>;
  31                         compatible = "IBM,vtpm";
  32                         device_type = "IBM,vtpm";
  33                         ibm,my-drc-index = <0x30000003>;
  34                         ibm,#dma-address-cells = <0x2>;
  35                         linux,sml-base = <0xc60e 0x0>;
  36                         interrupts = <0xa0003 0x0>;
  37                         ibm,my-dma-window = <0x10000003 0x0 0x0 0x0 0x10000000>;
  38                         ibm,loc-code = "U8286.41A.10082DV-V3-C3";
  39                         reg = <0x30000003>;
  40                         linux,sml-size = <0xbce10200>;
  41                 };