From patchwork Mon Jan 6 21:16:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Reichl X-Patchwork-Id: 206093 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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=no 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 3C33CC33C8C for ; Mon, 6 Jan 2020 21:17:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E4DB2072C for ; Mon, 6 Jan 2020 21:17:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726695AbgAFVRB (ORCPT ); Mon, 6 Jan 2020 16:17:01 -0500 Received: from wp126.webpack.hosteurope.de ([80.237.132.133]:46734 "EHLO wp126.webpack.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726683AbgAFVRB (ORCPT ); Mon, 6 Jan 2020 16:17:01 -0500 Received: from [2003:a:659:3f00:1e6f:65ff:fe31:d1d5] (helo=hermes.fivetechno.de); authenticated by wp126.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) id 1ioZk6-0001Pq-NQ; Mon, 06 Jan 2020 22:16:54 +0100 X-Virus-Scanned: by amavisd-new 2.11.1 using newest ClamAV at linuxbbg.five-lan.de Received: from roc-pc (pD9E89450.dip0.t-ipconnect.de [217.232.148.80]) (authenticated bits=0) by hermes.fivetechno.de (8.15.2/8.14.5/SuSE Linux 0.8) with ESMTPSA id 006LGrhM032119 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 6 Jan 2020 22:16:53 +0100 From: Markus Reichl To: linux-rockchip@lists.infradead.org, Liam Girdwood , Mark Brown , Rob Herring , Mark Rutland , Heiko Stuebner Cc: Markus Reichl , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 0/5] regulator: mp8859: add driver for DC/DC converter used on rk3399-roc-pc board Date: Mon, 6 Jan 2020 22:16:23 +0100 Message-Id: <20200106211633.2882-1-m.reichl@fivetechno.de> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-bounce-key: webpack.hosteurope.de; m.reichl@fivetechno.de; 1578345420; 0ad3f49f; X-HE-SMSGID: 1ioZk6-0001Pq-NQ Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On rk3399-roc-pc board a voltage regulator MP8859 from Monolithic Power Systems is used to supply the 12V power line. This delivers 5V as a default value after boot. The voltage is controllable via I2C. Add a basic driver to set and get the voltage of the MP8859 and add a matching node with fixed 12V in the DT of the board. Markus Reichl (5): regulator: mp8859: add driver regulator: mp8859: add config option and build entry dt-bindings: add vendor Monolithic Power Systems dt-bindings: regulator: add MPS mp8859 voltage regulator arm64: dts: rockchip: Enable mp8859 regulator on rk3399-roc-pc .../devicetree/bindings/regulator/mp8859.txt | 22 +++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + .../boot/dts/rockchip/rk3399-roc-pc.dtsi | 32 ++-- drivers/regulator/Kconfig | 11 ++ drivers/regulator/Makefile | 1 + drivers/regulator/mp8859.c | 156 ++++++++++++++++++ 6 files changed, 210 insertions(+), 14 deletions(-) create mode 100644 Documentation/devicetree/bindings/regulator/mp8859.txt create mode 100644 drivers/regulator/mp8859.c