On Tue, May 12, 2020 at 05:14:30PM +0300, amirmizi6@xxxxxxxxx wrote: > From: Amir Mizinski <amirmizi6@xxxxxxxxx> > > Added 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@xxxxxxxxx> > --- > .../bindings/security/tpm/tpm-tis-i2c.yaml | 51 ++++++++++++++++++++++ > 1 file changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml > > 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..628c8f3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml > @@ -0,0 +1,51 @@ > +# SPDX-License-Identifier: GPL-2.0 Dual license new bindings please: (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@xxxxxxxxx> > + > +description: > + Device Tree Bindings for I2C based Trusted Platform Module(TPM). > + > +properties: > + compatible: > + oneOf: > + - items: You don't need 'oneOf'. > + - 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 > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + tpm_tis@2e { tpm@2e > + compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c"; > + reg = <0x2e>; > + crc-checksum; > + }; > + }; > +... > -- > 2.7.4 >
