From patchwork Tue May 26 14:16:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amir Mizinski X-Patchwork-Id: 1298112 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49Wbf43d2Mz9sSx for ; Wed, 27 May 2020 00:18:04 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728111AbgEZOSA (ORCPT ); Tue, 26 May 2020 10:18:00 -0400 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:49594 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727997AbgEZOSA (ORCPT ); Tue, 26 May 2020 10:18:00 -0400 Received: from taln60.nuvoton.co.il (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id 04QEHZAU008687; Tue, 26 May 2020 17:17:35 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 10140) id EA22A639BE; Tue, 26 May 2020 17:17:35 +0300 (IDT) 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, "benoit.houyere@st.com--to=mark.rutland"@arm.com, peterhuewe@gmx.de, christophe-h.richard@st.com, 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, Dan.Morav@nuvoton.com, oren.tanami@nuvoton.com, shmulik.hager@nuvoton.com, amir.mizinski@nuvoton.com, Amir Mizinski Subject: [PATCH v9 7/8] tpm: Add YAML schema for TPM TIS I2C options Date: Tue, 26 May 2020 17:16:57 +0300 Message-Id: <20200526141658.157801-8-amirmizi6@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200526141658.157801-1-amirmizi6@gmail.com> References: <20200526141658.157801-1-amirmizi6@gmail.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Amir Mizinski 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 Reviewed-by: Rob Herring --- .../bindings/security/tpm/tpm-tis-i2c.yaml | 50 ++++++++++++++++++++++ 1 file changed, 50 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..68b13d5 --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (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 + +description: + Device Tree Bindings for I2C based Trusted Platform Module(TPM). + +properties: + compatible: + items: + - 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@2e { + compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c"; + reg = <0x2e>; + crc-checksum; + }; + }; +...