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From: amirmizi6@gmail.com
To: Eyal.Cohen@nuvoton.com, jarkko.sakkinen@linux.intel.com,
	oshrialkoby85@gmail.com, alexander.steffen@infineon.com,
	robh+dt@kernel.org, mark.rutland@arm.com, peterhuewe@gmx.de,
	jgg@ziepe.ca, arnd@arndb.de, gregkh@linuxfoundation.org
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-integrity@vger.kernel.org, oshri.alkoby@nuvoton.com,
	tmaimon77@gmail.com, gcwilson@us.ibm.com, kgoldman@us.ibm.com,
	ayna@linux.vnet.ibm.com, Dan.Morav@nuvoton.com,
	oren.tanami@nuvoton.com, shmulik.hagar@nuvoton.com,
	amir.mizinski@nuvoton.com, Amir Mizinski <amirmizi6@gmail.com>
Subject: [PATCH v1 4/5] dt-bindings: tpm: Add the TPM TIS I2C device tree binding documentaion
Date: Sun, 10 Nov 2019 18:21:36 +0200
Message-ID: <20191110162137.230913-5-amirmizi6@gmail.com> (raw)
In-Reply-To: <20191110162137.230913-1-amirmizi6@gmail.com>

From: Amir Mizinski <amirmizi6@gmail.com>

this file aim at documenting TPM TIS I2C related dt-bindings for the I2C PTP based Physical TPM.

Signed-off-by: Amir Mizinski <amirmizi6@gmail.com>
---
 .../bindings/security/tpm/tpm_tis_i2c.txt          | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/security/tpm/tpm_tis_i2c.txt

diff --git a/Documentation/devicetree/bindings/security/tpm/tpm_tis_i2c.txt b/Documentation/devicetree/bindings/security/tpm/tpm_tis_i2c.txt
new file mode 100644
index 0000000..7d5a69e
--- /dev/null
+++ b/Documentation/devicetree/bindings/security/tpm/tpm_tis_i2c.txt
@@ -0,0 +1,24 @@
+* Device Tree Bindings for I2C PTP based Trusted Platform Module(TPM)
+
+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.
+
+Required properties:
+
+- compatible     : Should be "tcg,tpm_tis-i2c"
+- 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_tis-i2c: tpm_tis-i2c@2e {
+
+       compatible = "tcg,tpm_tis-i2c";
+       reg = <0x2e>;
+       tpm-pirq = <&gpio 24 GPIO_ACTIVE_HIGH>;
+};
-- 
2.7.4


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-10 16:21 [PATCH v1 0/5] add tpm i2c ptp driver amirmizi6
2019-11-10 16:21 ` [PATCH v1 1/5] char: tpm: Make implementation of read16 read32 write32 optional amirmizi6
2019-11-10 16:21 ` [PATCH v1 2/5] char: tpm: Add check_data handle to tpm_tis_phy_ops in order to check data integrity amirmizi6
2019-11-12 20:22   ` Jarkko Sakkinen
2019-11-10 16:21 ` [PATCH v1 3/5] char: tpm: rewrite "tpm_tis_req_canceled()" amirmizi6
2019-11-10 18:00   ` Jerry Snitselaar
2019-11-12  1:25     ` Stefan Berger
2019-11-10 16:21 ` amirmizi6 [this message]
2019-11-14 19:10   ` [PATCH v1 4/5] dt-bindings: tpm: Add the TPM TIS I2C device tree binding documentaion Rob Herring
2019-11-10 16:21 ` [PATCH v1 5/5] char: tpm: add tpm_tis_i2c driver amirmizi6

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