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

[amirmizi6@gmail.com]

From: Amir Mizinski <amirmizi6@gmail.com>

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@gmail.com>
---
 .../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@gmail.com>
+
+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