From patchwork Thu Jun 4 13:47:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amir Mizinski X-Patchwork-Id: 1303555 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 49d6ZN2Fkrz9sTq for ; Thu, 4 Jun 2020 23:49:00 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728712AbgFDNsY (ORCPT ); Thu, 4 Jun 2020 09:48:24 -0400 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:50222 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728684AbgFDNsW (ORCPT ); Thu, 4 Jun 2020 09:48:22 -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 054Dlwap011538; Thu, 4 Jun 2020 16:47:58 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 10140) id B923C639BF; Thu, 4 Jun 2020 16:47:58 +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 , Rob Herring Subject: [PATCH v10 7/8] tpm: Add YAML schema for TPM TIS I2C options Date: Thu, 4 Jun 2020 16:47:12 +0300 Message-Id: <20200604134713.157951-8-amirmizi6@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200604134713.157951-1-amirmizi6@gmail.com> References: <20200604134713.157951-1-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; + }; + }; +...