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Subject[PATCH v1 1/2] dt-bindings: tpm: add the TPM I2C PTP device tree binding documentation
Date
Signed-off-by: Oshri Alkoby <oshrialkoby85@gmail.com>
---
.../bindings/security/tpm/tpm-i2c-ptp.txt | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
create mode 100644 Documentation/devicetree/bindings/security/tpm/tpm-i2c-ptp.txt

diff --git a/Documentation/devicetree/bindings/security/tpm/tpm-i2c-ptp.txt b/Documentation/devicetree/bindings/security/tpm/tpm-i2c-ptp.txt
new file mode 100644
index 000000000000..6bd512f023a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/security/tpm/tpm-i2c-ptp.txt
@@ -0,0 +1,17 @@
+* Device Tree Bindings for I2C PTP based Trusted Platform Module(TPM)
+
+Required properties:
+
+- compatible : Should be "tcg,tpm_i2c_ptp"
+- reg : Address on the bus
+- tpm-pirq : Input gpio pin, used for host interrupts
+
+Example (for Raspberry Pie 3 Board with Nuvoton's NPCT75X (2.0)
+-------------------------------------------------------------------
+
+tpm_i2c_ptp: tpm_i2c_ptp@2e {
+
+ compatible = "tcg,tpm_i2c_ptp";
+ reg = <0x2e>;
+ tpm-pirq = <&gpio 24 GPIO_ACTIVE_HIGH>;
+};
--
2.18.0
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