[PATCH v2 4/5] dt-bindings: tpm: Add YAML schema for TPM TIS I2C options

From: amirmizi6
Date: Mon Dec 02 2019 - 08:34:56 EST


From: Amir Mizinski <amirmizi6@xxxxxxxxx>

Added a YAML schema to support tpm tis i2c realted dt-bindings for the I2c PTP based physical layer.

Signed-off-by: Amir Mizinski <amirmizi6@xxxxxxxxx>
---
.../bindings/security/tpm/tpm-tis-i2c.yaml | 38 ++++++++++++++++++++++
1 file changed, 38 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..bb18917
--- /dev/null
+++ b/Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+%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:
+ The TCG defines hardware protocol, registers and interface (based
+ on the TPM Interface Specification) for accessing TPM devices
+ implemented with an I2C interface.
+ Refer to the 'I2C Interface Definition' section in 'TCG PC Client
+ PlatformTPMProfile(PTP) Specification' publication for specification.
+ Designed for Raspberry Pie 3 Board with Nuvoton's NPCT75X (2.0)
+
+properties:
+ compatible:
+ contains:
+ const: tcg,tpm-tis-i2c
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+
+examples:
+ - |
+ tpm-tis-i2c: tpm-tis-i2c@2e {
+ compatible = "tcg,tpm-tis-i2c";
+ reg = <0x2e>;
+ };
--
2.7.4