From patchwork Mon Sep 13 14:43:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amir Mizinski X-Patchwork-Id: 12489603 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3011BC433F5 for ; Mon, 13 Sep 2021 14:50:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 191DB60FA0 for ; Mon, 13 Sep 2021 14:50:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346373AbhIMOvs (ORCPT ); Mon, 13 Sep 2021 10:51:48 -0400 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:42991 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1347151AbhIMOsZ (ORCPT ); Mon, 13 Sep 2021 10:48:25 -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 18DEiZGw003117; Mon, 13 Sep 2021 17:44:35 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 10140) id 41AE863A1D; Mon, 13 Sep 2021 17:44:45 +0300 (IDT) From: amirmizi6@gmail.com To: Eyal.Cohen@nuvoton.com, jarkko@kernel.org, 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, benoit.houyere@st.com, eajames@linux.ibm.com, joel@jms.id.au 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 v14 7/7] \tpm: Add YAML schema for TPM TIS I2C options Date: Mon, 13 Sep 2021 17:43:51 +0300 Message-Id: <20210913144351.101167-8-amirmizi6@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20210913144351.101167-1-amirmizi6@gmail.com> References: <20210913144351.101167-1-amirmizi6@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org From: Amir Mizinski Add 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 --- .../bindings/security/tpm/tpm-tis-i2c.yaml | 52 ++++++++++++++++++++++ 1 file changed, 52 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..217ba8e --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml @@ -0,0 +1,52 @@ +# 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 + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + tpm@2e { + compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c"; + reg = <0x2e>; + crc-checksum; + }; + }; +...