18c2ecf20Sopenharmony_ci* Device Tree Bindings for IBM Virtual Trusted Platform Module(vtpm)
28c2ecf20Sopenharmony_ci
38c2ecf20Sopenharmony_ciRequired properties:
48c2ecf20Sopenharmony_ci
58c2ecf20Sopenharmony_ci- compatible            : property name that conveys the platform architecture
68c2ecf20Sopenharmony_ci                          identifiers, as 'IBM,vtpm'
78c2ecf20Sopenharmony_ci- device_type           : specifies type of virtual device
88c2ecf20Sopenharmony_ci- interrupts            : property specifying the interrupt source number and
98c2ecf20Sopenharmony_ci                          sense code associated with this virtual I/O Adapters
108c2ecf20Sopenharmony_ci- ibm,my-drc-index      : integer index for the connector between the device
118c2ecf20Sopenharmony_ci                          and its parent - present only if Dynamic
128c2ecf20Sopenharmony_ci                          Reconfiguration(DR) Connector is enabled
138c2ecf20Sopenharmony_ci- ibm,#dma-address-cells: specifies the number of cells that are used to
148c2ecf20Sopenharmony_ci                          encode the physical address field of dma-window
158c2ecf20Sopenharmony_ci                          properties
168c2ecf20Sopenharmony_ci- ibm,#dma-size-cells   : specifies the number of cells that are used to
178c2ecf20Sopenharmony_ci                          encode the size field of dma-window properties
188c2ecf20Sopenharmony_ci- ibm,my-dma-window     : specifies DMA window associated with this virtual
198c2ecf20Sopenharmony_ci                          IOA
208c2ecf20Sopenharmony_ci- ibm,loc-code          : specifies the unique and persistent location code
218c2ecf20Sopenharmony_ci                          associated with this virtual I/O Adapters
228c2ecf20Sopenharmony_ci- linux,sml-base        : 64-bit base address of the reserved memory allocated
238c2ecf20Sopenharmony_ci                          for the firmware event log
248c2ecf20Sopenharmony_ci- linux,sml-size        : size of the memory allocated for the firmware event log
258c2ecf20Sopenharmony_ci
268c2ecf20Sopenharmony_ciExample (IBM Virtual Trusted Platform Module)
278c2ecf20Sopenharmony_ci---------------------------------------------
288c2ecf20Sopenharmony_ci
298c2ecf20Sopenharmony_ci                vtpm@30000003 {
308c2ecf20Sopenharmony_ci                        ibm,#dma-size-cells = <0x2>;
318c2ecf20Sopenharmony_ci                        compatible = "IBM,vtpm";
328c2ecf20Sopenharmony_ci                        device_type = "IBM,vtpm";
338c2ecf20Sopenharmony_ci                        ibm,my-drc-index = <0x30000003>;
348c2ecf20Sopenharmony_ci                        ibm,#dma-address-cells = <0x2>;
358c2ecf20Sopenharmony_ci                        linux,sml-base = <0xc60e 0x0>;
368c2ecf20Sopenharmony_ci                        interrupts = <0xa0003 0x0>;
378c2ecf20Sopenharmony_ci                        ibm,my-dma-window = <0x10000003 0x0 0x0 0x0 0x10000000>;
388c2ecf20Sopenharmony_ci                        ibm,loc-code = "U8286.41A.10082DV-V3-C3";
398c2ecf20Sopenharmony_ci                        reg = <0x30000003>;
408c2ecf20Sopenharmony_ci                        linux,sml-size = <0xbce10200>;
418c2ecf20Sopenharmony_ci                };
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