On Tue, Aug 30, 2016 at 12:44:37AM -0400, Nayna Jain wrote: > This is documenting device tree binding for > I2C based TPM, similar concept which being used > for virtual TPM on POWER7 and POWER8 systems running PowerVM. > > Signed-off-by: Nayna Jain <nayna@xxxxxxxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/i2c/i2c-tpm.txt | 29 +++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-tpm.txt > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-tpm.txt b/Documentation/devicetree/bindings/i2c/i2c-tpm.txt > new file mode 100644 > index 0000000..8fdee14 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/i2c-tpm.txt > @@ -0,0 +1,29 @@ > +Device Tree Bindings for I2C based Trusted Platform Module(TPM) > +--------------------------------------------------------------- > + > +This node describes a TPM device connected to Processor on i2c bus. > + > +Required properties: > + > +- compatible : 'manufacturer,model' Needs specific compatible strings like your example has. > +- label : represents device type Why do you need this? label is human readable things like connectors on boards. > +- linux,sml-base : base address of the Event Log. It is a physical address. > + sml stands for shared memory log. How is it a physical address on an i2c device? Why 2 cells (which needs to be documented also)? Just 'log' would be more descriptive than sml. > +- linux,sml-size : size of the memory allocated for the Event Log. > + > +Optional properties: > + > +- status: indicates whether the device is enabled or disabled. "okay" for > + enabled and "disabled" for disabled. status is always valid, so you don't need to document it. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
