| Message ID | 20210914151032.216122-7-amirmizi6@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add tpm i2c ptp driver | expand |
On Tue, 14 Sep 2021 18:10:32 +0300, amirmizi6@gmail.com wrote: > From: Amir Mizinski <amirmizi6@gmail.com> > > Add a YAML schema to support tpm tis i2c related dt-bindings for the I2c > PTP based physical layer. > > This patch adds the documentation for corresponding device tree bindings of > I2C based Physical TPM. > Refer to the 'I2C Interface Definition' section in > 'TCG PC Client PlatformTPMProfile(PTP) Specification' publication > for specification. > > Signed-off-by: Amir Mizinski <amirmizi6@gmail.com> > --- > .../bindings/security/tpm/tpm-tis-i2c.yaml | 52 ++++++++++++++++++++++ > 1 file changed, 52 insertions(+) > create mode 100644 Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml b/Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml new file mode 100644 index 0000000..217ba8e --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/security/tpm/tpm-tis-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: I2C PTP based TPM Device Tree Bindings + +maintainers: + - Amir Mizinski <amirmizi6@gmail.com> + +description: + Device Tree Bindings for I2C based Trusted Platform Module(TPM). + +properties: + compatible: + items: + - enum: + # Nuvoton's Trusted Platform Module (TPM) (NPCT75x) + - nuvoton,npct75x + - const: tcg,tpm-tis-i2c + + reg: + maxItems: 1 + + interrupt: + maxItems: 1 + + crc-checksum: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag to enable CRC checksum. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + tpm@2e { + compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c"; + reg = <0x2e>; + crc-checksum; + }; + }; +...