From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 42ED07DF86 for ; Fri, 25 May 2018 19:26:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968123AbeEYT00 (ORCPT ); Fri, 25 May 2018 15:26:26 -0400 Received: from mout.kundenserver.de ([217.72.192.73]:48783 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967936AbeEYT0Z (ORCPT ); Fri, 25 May 2018 15:26:25 -0400 Received: from localhost.localdomain ([37.4.249.126]) by mrelayeu.kundenserver.de (mreue105 [212.227.15.183]) with ESMTPSA (Nemesis) id 0M25gB-1gBn870Uot-00u4a7; Fri, 25 May 2018 21:25:28 +0200 From: Stefan Wahren To: Jean Delvare , Guenter Roeck , Jonathan Corbet , Eric Anholt Cc: Florian Fainelli , Ray Jui , Scott Branden , Phil Elwell , bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, Stefan Wahren Subject: [PATCH V3 0/6] hwmon: Add support for Raspberry Pi voltage sensor Date: Fri, 25 May 2018 21:24:33 +0200 Message-Id: <1527276279-23876-1-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:9LC1+OYTbtJ2AfeZZLE1dLy62FIZTH7s3il0Civ1XBxqbdchadX wq/IkVunZ+FuZBHG3NXQgUqGWcDD0ZWGMDqlxPmONeZXN/Y8pctV8/gqIrZ/HM3J401X4s9 3fdh21OIxH/rUwpHW4VO+KoddeH1/qCbA0XpASddc+E75IPh2+NRraJV5+FS7c6uQsyLU1M YpZcoTtniHcU+gpHQ4j8g== X-UI-Out-Filterresults: notjunk:1;V01:K0:ig3cNkaJK1k=:6yIZ308U6/RAry1FoZP2WR X6iMWAgusEmCU36C+AAnuQxVTipbKjSPTdWsIag3KxYnZOJIy6pV7Q6/HSWwftr9K1EuFuY4F n2F5DYlbVVdEZ3+eM4JR7R/QpRQOAyd7ZjyAVkWoV1OW//JeC9QqxEwSaezP5b/YuJqecHdUl Jpov6DehlaPlyUUyhIIjG92YPBKzpPesob4wiGLS4CAGASL41+nO+LcCetKREVaDqhPcdx/7E N7lPwF606F8tnttAP67bbN3gu9D8OAKfTAcer6IInGpV3HdG+xxwrxHwKcuKlJF4v7fTizntq 5mUKpf4AI0giWDrorAmdnF40ML0KWafJ4MmO3ShPhaoIkyCFRWlByjlhFkjqDNy58VXKNusQu 3cQc9340zh4pC4g3F6uPOjwR9Y3pWg/QxjBOCmtPd83YN75u+3euMwW3ywnQWWNwDz1Hh0YYh 6riDfAASv4NR4YciALGK4zxB1xzFml6AsAW4Pb9ZUVWn+krHTqk/3kfjSunQDqeGVtFKXAn1g HCdxY5VtPq7pVS0yrEE2LwmDeyMCt+URjE0PXw5f1RfZ9KpFzH+AG9AebkawOuPQR9eyhaid8 nk3cwmDtDT/hotr4+Sx7Br8GBFEVUaEMj5JHkSW65ROhjoeskOFIJCTB4/M+B4tOTAWxA9GMg JmzQNRDqVF38YptpOjxrvliJWj5o4LMXDbgi6BTpL6al7pr1dEWZb0LMNDxgiPAtry+EoJ4jy ggDm+hfsxfSVbx+K Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org A common issue for the Raspberry Pi is an inadequate power supply. Noralf Trønnes started a discussion [1] about writing such undervoltage conditions into the kernel log. Changes in V3: - rebase - simplify probing Changes in V2: - simplified Kconfig dependency suggested by Robin Murphy - replace dt-binding by probing from firmware driver - add hwmon documentation - minor improvements suggested by Guenter Roeck [1] - https://github.com/raspberrypi/linux/issues/2367 Stefan Wahren (6): ARM: bcm2835: Add GET_THROTTLED firmware property hwmon: Add support for RPi voltage sensor firmware: raspberrypi: Register hwmon driver ARM: bcm2835_defconfig: Enable RPi voltage sensor ARM: multi_v7_defconfig: Enable RPi voltage sensor arm64: defconfig: Enable RPi voltage sensor Documentation/hwmon/raspberrypi-hwmon | 22 ++++ arch/arm/configs/bcm2835_defconfig | 2 +- arch/arm/configs/multi_v7_defconfig | 1 + arch/arm64/configs/defconfig | 1 + drivers/firmware/raspberrypi.c | 19 ++++ drivers/hwmon/Kconfig | 10 ++ drivers/hwmon/Makefile | 1 + drivers/hwmon/raspberrypi-hwmon.c | 166 +++++++++++++++++++++++++++++ include/soc/bcm2835/raspberrypi-firmware.h | 1 + 9 files changed, 222 insertions(+), 1 deletion(-) create mode 100644 Documentation/hwmon/raspberrypi-hwmon create mode 100644 drivers/hwmon/raspberrypi-hwmon.c -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html