| Message ID | 1477473705-12746-1-git-send-email-nayna@linux.vnet.ibm.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On Wed, Oct 26, 2016 at 05:21:44AM -0400, Nayna Jain wrote: > Virtual TPM, which is being used on IBM POWER7+ and POWER8 systems running > POWERVM, is currently supported by tpm device driver but lacks the > documentation. This patch adds the missing documentation for the existing > support. > > Suggested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> > Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com> > --- > Changelog v3: > > - No changes done. > > Changelog v2: > > - New Patch. > > .../devicetree/bindings/security/tpm/ibmvtpm.txt | 41 ++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Sun, Oct 30, 2016 at 10:47:23PM -0500, Rob Herring wrote: > On Wed, Oct 26, 2016 at 05:21:44AM -0400, Nayna Jain wrote: > > Virtual TPM, which is being used on IBM POWER7+ and POWER8 systems running > > POWERVM, is currently supported by tpm device driver but lacks the > > documentation. This patch adds the missing documentation for the existing > > support. > > > > Suggested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> > > Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com> > > --- > > Changelog v3: > > > > - No changes done. > > > > Changelog v2: > > > > - New Patch. > > > > .../devicetree/bindings/security/tpm/ibmvtpm.txt | 41 ++++++++++++++++++++++ > > 1 file changed, 41 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt > > Acked-by: Rob Herring <robh@kernel.org> Applied. /Jarkko -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt b/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt new file mode 100644 index 0000000..d89f999 --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt @@ -0,0 +1,41 @@ +* 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>; + };
Virtual TPM, which is being used on IBM POWER7+ and POWER8 systems running POWERVM, is currently supported by tpm device driver but lacks the documentation. This patch adds the missing documentation for the existing support. Suggested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com> --- Changelog v3: - No changes done. Changelog v2: - New Patch. .../devicetree/bindings/security/tpm/ibmvtpm.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/security/tpm/ibmvtpm.txt