From patchwork Fri Dec 11 21:54:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kun Yi X-Patchwork-Id: 342079 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=-26.2 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL 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 B0C96C1B0D8 for ; Fri, 11 Dec 2020 22:51:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F3012065D for ; Fri, 11 Dec 2020 22:51:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392273AbgLKV4c (ORCPT ); Fri, 11 Dec 2020 16:56:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406668AbgLKVz7 (ORCPT ); Fri, 11 Dec 2020 16:55:59 -0500 Received: from mail-pg1-x54a.google.com (mail-pg1-x54a.google.com [IPv6:2607:f8b0:4864:20::54a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CACF7C061285 for ; Fri, 11 Dec 2020 13:54:41 -0800 (PST) Received: by mail-pg1-x54a.google.com with SMTP id j30so7430559pgj.17 for ; Fri, 11 Dec 2020 13:54:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=Rd2S5ERIdpxDDi+uhK9cbjd0vF+3SVBwWriC0JcpU0w=; b=gcJ3yqiJW+gv6J7pXNellIYo6U1XVjhUnAoDf0KYKfq8Z48dh+sC5vdboDhaA2v7dc TKPgf+FFKcXPFTbfqrq3TZp01YbZ147AAU0vwFHu8SfF2JhCRMLpGdxGICdULZXprzIq IMZL836rPQhkRoipkuUo31PvlOYVa8pUzX+n9sl6YngFpIAVx79gvPRp4Lx5FSu5AJmG sCq5Ip77METDR0YTxE6GT9fvcLTLai4M7/mZdFkFyMW1SD+19yBv+BYHks232/kn5p9D SMKLWXUc3ZgueHEpv2jAFW16BYFIAtV2wa0G1NykSQM9veoT26ODprUixchAnkEjKgEj j/ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=Rd2S5ERIdpxDDi+uhK9cbjd0vF+3SVBwWriC0JcpU0w=; b=U1MizVCTYdgmIea0I/pEwvYat15/hTbzKEqQIEIkyDCW7CznZBfUEb+62sfyOYWRiz LmDHXbT5KqtSQWkGpGl146JrQ+37PaJ0EHGQRe+oSnE5A4nSuyDCmsrDKD8le3G34imD hXpv+9ZmvOC6lCWcWCrmYBSBh6vS82i2XHG5W7/LJIEhFpXPeIZzsevljg4Y+hZq47Zi Jmk54PmRu6mCMRDMWcwF5W+E1SHiRP2n1xedNFOfGngsjMivc2SATFA6GBLqnGH5iiIk DUdFZcmV3aRRfrv9SoBuvqtEPFZyugRLK5GtcjuaJMzxkyGIvmhcyXwGAoXmrvVpQsvD fa0g== X-Gm-Message-State: AOAM531Dy+L/5/C2/8tuATelkG1vKS8IXHHi53Rr4aR/+ViWNMW0m1uT JpnAeSKhri0x9dzrwlttDm1K4j0BHA== X-Google-Smtp-Source: ABdhPJxUhEx4SmtYdScxsFigf7h0fO4fVDEuEiEtJX/93EAJekijNmsU2fzEHRMav02QofkK1LRhvKb0Gw== Sender: "kunyi via sendgmr" X-Received: from kunyi0.svl.corp.google.com ([2620:15c:2c5:3:9657:a5ff:fef2:53bd]) (user=kunyi job=sendgmr) by 2002:a17:90a:4dcd:: with SMTP id r13mr14803802pjl.74.1607723681302; Fri, 11 Dec 2020 13:54:41 -0800 (PST) Date: Fri, 11 Dec 2020 13:54:27 -0800 In-Reply-To: <20201211215427.3281681-1-kunyi@google.com> Message-Id: <20201211215427.3281681-4-kunyi@google.com> Mime-Version: 1.0 References: <20201211215427.3281681-1-kunyi@google.com> X-Mailer: git-send-email 2.29.2.684.gfbc64c5ab5-goog Subject: [PATCH linux hwmon-next v5 3/3] dt-bindings: (hwmon/sbtsi_tmep) Add SB-TSI hwmon driver bindings From: Kun Yi To: jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, mark.rutland@arm.com, supreeth.venkatesh@amd.com Cc: Kun Yi , openbmc@lists.ozlabs.org, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document device tree bindings for AMD SB-TSI emulated temperature sensor. Signed-off-by: Kun Yi --- .../devicetree/bindings/hwmon/amd,sbtsi.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml diff --git a/Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml b/Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml new file mode 100644 index 000000000000..446b09f1ce94 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/amd,sbtsi.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/amd,sbtsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: > + Sideband interface Temperature Sensor Interface (SB-TSI) compliant + AMD SoC temperature device + +maintainers: + - Kun Yi + - Supreeth Venkatesh + +description: | + SB Temperature Sensor Interface (SB-TSI) is an SMBus compatible + interface that reports AMD SoC's Ttcl (normalized temperature), + and resembles a typical 8-pin remote temperature sensor's I2C interface + to BMC. The emulated thermal sensor can report temperatures in increments + of 0.125 degrees, ranging from 0 to 255.875. + +properties: + compatible: + enum: + - amd,sbtsi + + reg: + maxItems: 1 + description: | + I2C bus address of the device as specified in Section 6.3.1 of the + SoC register reference. The SB-TSI address is normally 98h for socket + 0 and 90h for socket 1, but it could vary based on hardware address + select pins. + \[open source SoC register reference\] + https://www.amd.com/system/files/TechDocs/56255_OSRR.pdf + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + sbtsi@4c { + compatible = "amd,sbtsi"; + reg = <0x4c>; + }; + }; +...