From patchwork Tue Sep 28 09:22:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zev Weiss X-Patchwork-Id: 12522255 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03CF2C43217 for ; Tue, 28 Sep 2021 09:30:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E35B561130 for ; Tue, 28 Sep 2021 09:30:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239972AbhI1Jc1 (ORCPT ); Tue, 28 Sep 2021 05:32:27 -0400 Received: from thorn.bewilderbeest.net ([71.19.156.171]:50585 "EHLO thorn.bewilderbeest.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239831AbhI1JcW (ORCPT ); Tue, 28 Sep 2021 05:32:22 -0400 Received: from hatter.bewilderbeest.net (71-212-29-146.tukw.qwest.net [71.212.29.146]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id 41FDA293; Tue, 28 Sep 2021 02:23:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1632821027; bh=97KklhLeQh76YRY1Elsbf7cYcTo9pXXl9b7LWGG1VS4=; h=From:To:Cc:Subject:Date:From; b=g7IOBn658cEz3nJKuSFKelzRTGj5KyBz0QVD6IXVFO2KUJR9QTtkpTdyT6Rp8ZRfP vLrDpbi19J7Pgi7/Bw6ej6VsdYfNtlci/9IZMn8ox9HmwRtEToRzjUrQGlFWd1Dq4/ eYgW8rlW8o6IqhuWVKQOGTP49VINHTKGxHYLu7BA= From: Zev Weiss To: Guenter Roeck Cc: Zev Weiss , Jean Delvare , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Corbet , linux-doc@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org Subject: [PATCH 0/8] hwmon: (pmbus/lm25066) Configurable sense resistor, other cleanups Date: Tue, 28 Sep 2021 02:22:34 -0700 Message-Id: <20210928092242.30036-1-zev@bewilderbeest.net> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Hello, I'm working with a board that uses LM25066s with sense resistor values significantly different than the 1mOhm assumed by the coefficients provided in the datasheet; the power and current readings produced by the existing driver are thus fairly inaccurate. This patch series started out as merely adding support for a shunt-resistor-micro-ohms DT property as found in the adm1275 driver, but along the way I noticed a number of other minor bits in the lm25066 driver that looked like they could use some fixes, so I've included those as well. Patches 1 and 2 bring the m/b/R coefficients in line with what's in the relevant datasheets, patches 3 through 5 are fairly generic (minor) code cleanups, and patches 6 through 8 add the desired OF support for the driver. Thanks, Zev Zev Weiss (8): hwmon: (pmbus/lm25066) Add offset coefficients hwmon: (pmbus/lm25066) Adjust lm25066 PSC_CURRENT_IN_L mantissa hwmon: (pmbus/lm25066) Avoid forward declaration of lm25066_id hwmon: (pmbus/lm25066) Let compiler determine outer dimension of lm25066_coeff hwmon: (pmbus/lm25066) Mark lm25066_coeff array const hwmon: (pmbus/lm25066) Add OF device ID table hwmon: (pmbus/lm25066) Support configurable sense resistor values dt-bindings: hwmon/pmbus: Add ti,lm25066 power-management IC .../bindings/hwmon/pmbus/ti,lm25066.yaml | 54 +++++++++++ Documentation/hwmon/lm25066.rst | 2 + drivers/hwmon/pmbus/lm25066.c | 90 +++++++++++++++---- 3 files changed, 128 insertions(+), 18 deletions(-) create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml