[PATCH] Documentation: tpm: Adds the TPM device tree node documentation
From: Nayna Jain <hidden>
Date: 2016-08-30 04:44:37
Also in:
linux-i2c
Subsystem:
i2c subsystem host drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- 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' +- label : represents device type +- linux,sml-base : base address of the Event Log. It is a physical address. + sml stands for shared memory log. +- 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. + +Example +------- + +tpm@57 { + reg = <0x57>; + label = "tpm"; + compatible = "nuvoton,npct650", "nuvoton,npct601"; + linux,sml-base = <0x7f 0xfd450000>; + linux,sml-size = <0x10000>; + status = "okay"; +};
--
2.5.0
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