diff options
-rw-r--r-- | Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt | 41 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/tpm/ibm,vtpm.yaml | 104 |
2 files changed, 104 insertions, 41 deletions
diff --git a/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt b/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt deleted file mode 100644 index d89f99971368..000000000000 --- a/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt +++ /dev/null @@ -1,41 +0,0 @@ -* Device Tree Bindings for IBM Virtual Trusted Platform Module(vtpm) - -Required properties: - -- compatible : property name that conveys the platform architecture - identifiers, as 'IBM,vtpm' -- device_type : specifies type of virtual device -- interrupts : property specifying the interrupt source number and - sense code associated with this virtual I/O Adapters -- ibm,my-drc-index : integer index for the connector between the device - and its parent - present only if Dynamic - Reconfiguration(DR) Connector is enabled -- ibm,#dma-address-cells: specifies the number of cells that are used to - encode the physical address field of dma-window - properties -- ibm,#dma-size-cells : specifies the number of cells that are used to - encode the size field of dma-window properties -- ibm,my-dma-window : specifies DMA window associated with this virtual - IOA -- ibm,loc-code : specifies the unique and persistent location code - associated with this virtual I/O Adapters -- linux,sml-base : 64-bit base address of the reserved memory allocated - for the firmware event log -- linux,sml-size : size of the memory allocated for the firmware event log - -Example (IBM Virtual Trusted Platform Module) ---------------------------------------------- - - vtpm@30000003 { - ibm,#dma-size-cells = <0x2>; - compatible = "IBM,vtpm"; - device_type = "IBM,vtpm"; - ibm,my-drc-index = <0x30000003>; - ibm,#dma-address-cells = <0x2>; - linux,sml-base = <0xc60e 0x0>; - interrupts = <0xa0003 0x0>; - ibm,my-dma-window = <0x10000003 0x0 0x0 0x0 0x10000000>; - ibm,loc-code = "U8286.41A.10082DV-V3-C3"; - reg = <0x30000003>; - linux,sml-size = <0xbce10200>; - }; diff --git a/Documentation/devicetree/bindings/tpm/ibm,vtpm.yaml b/Documentation/devicetree/bindings/tpm/ibm,vtpm.yaml new file mode 100644 index 000000000000..50a3fd31241c --- /dev/null +++ b/Documentation/devicetree/bindings/tpm/ibm,vtpm.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/tpm/ibm,vtpm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: IBM Virtual Trusted Platform Module (vTPM) + +maintainers: + - Nayna Jain <nayna@linux.ibm.com> + +description: | + Virtual TPM is used on IBM POWER7+ and POWER8 systems running POWERVM. + It is supported through the adjunct partition with firmware release 740 + or higher. With vTPM support, each lpar is able to have its own vTPM + without the physical TPM hardware. The TPM functionality is provided by + communicating with the vTPM adjunct partition through Hypervisor calls + (Hcalls) and Command/Response Queue (CRQ) commands. + +properties: + compatible: + enum: + - IBM,vtpm + - IBM,vtpm20 + + device_type: + description: + type of virtual device + enum: + - IBM,vtpm + - IBM,vtpm20 + + reg: + maxItems: 1 + + 'ibm,#dma-address-cells': + description: + number of cells that are used to encode the physical address field of + dma-window properties + $ref: /schemas/types.yaml#/definitions/uint32-array + + 'ibm,#dma-size-cells': + description: + number of cells that are used to encode the size field of + dma-window properties + $ref: /schemas/types.yaml#/definitions/uint32-array + + ibm,my-dma-window: + description: + DMA window associated with this virtual I/O Adapter + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 5 + maxItems: 5 + + ibm,my-drc-index: + description: + integer index for the connector between the device and its parent; + present only if Dynamic Reconfiguration (DR) Connector is enabled + $ref: /schemas/types.yaml#/definitions/uint32 + + ibm,loc-code: + description: + unique and persistent location code associated with this virtual + I/O Adapter + $ref: /schemas/types.yaml#/definitions/string + +required: + - compatible + - device_type + - reg + - interrupts + - ibm,#dma-address-cells + - ibm,#dma-size-cells + - ibm,my-dma-window + - ibm,my-drc-index + - ibm,loc-code + - linux,sml-base + - linux,sml-size + +allOf: + - $ref: tpm-common.yaml# + +unevaluatedProperties: false + +examples: + - | + soc { + #address-cells = <1>; + #size-cells = <0>; + + tpm@30000003 { + compatible = "IBM,vtpm"; + device_type = "IBM,vtpm"; + reg = <0x30000003>; + interrupts = <0xa0003 0x0>; + ibm,#dma-address-cells = <0x2>; + ibm,#dma-size-cells = <0x2>; + ibm,my-dma-window = <0x10000003 0x0 0x0 0x0 0x10000000>; + ibm,my-drc-index = <0x30000003>; + ibm,loc-code = "U8286.41A.10082DV-V3-C3"; + linux,sml-base = <0xc60e 0x0>; + linux,sml-size = <0xbce10200>; + }; + }; |