From patchwork Wed Apr 1 22:55:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 6143211 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1321C9F2EC for ; Wed, 1 Apr 2015 22:57:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4CB062035B for ; Wed, 1 Apr 2015 22:57:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 595462034F for ; Wed, 1 Apr 2015 22:57:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752838AbbDAW4s (ORCPT ); Wed, 1 Apr 2015 18:56:48 -0400 Received: from seldrel01.sonyericsson.com ([212.209.106.2]:13340 "EHLO seldrel01.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750874AbbDAWz7 (ORCPT ); Wed, 1 Apr 2015 18:55:59 -0400 From: Bjorn Andersson To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Liam Girdwood , Mark Brown CC: Stephen Boyd , Andy Gross , Srinivas Kandagatla , , , Subject: [PATCH v2 2/5] regulator: Introduce property to flag drms Date: Wed, 1 Apr 2015 15:55:43 -0700 Message-ID: <1427928946-31291-3-git-send-email-bjorn.andersson@sonymobile.com> X-Mailer: git-send-email 1.8.2.2 In-Reply-To: <1427928946-31291-1-git-send-email-bjorn.andersson@sonymobile.com> References: <1427928946-31291-1-git-send-email-bjorn.andersson@sonymobile.com> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Introduce "regulator-allow-drms" to make it possible for board configuration to enable drms for regulators. Signed-off-by: Bjorn Andersson --- Documentation/devicetree/bindings/regulator/regulator.txt | 1 + drivers/regulator/of_regulator.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index abb26b5..a2377cb 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -10,6 +10,7 @@ Optional properties: - regulator-always-on: boolean, regulator should never be disabled - regulator-boot-on: bootloader/firmware enabled regulator - regulator-allow-bypass: allow the regulator to go into bypass mode +- regulator-allow-drms: allow dynamic regulator mode switching - -supply: phandle to the parent supply/regulator node - regulator-ramp-delay: ramp delay for regulator(in uV/uS) For hardware which supports disabling ramp rate, it should be explicitly diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 24e812c..bb52532 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -70,6 +70,9 @@ static void of_get_regulation_constraints(struct device_node *np, if (of_property_read_bool(np, "regulator-allow-bypass")) constraints->valid_ops_mask |= REGULATOR_CHANGE_BYPASS; + if (of_property_read_bool(np, "regulator-allow-drms")) + constraints->valid_ops_mask |= REGULATOR_CHANGE_DRMS; + ret = of_property_read_u32(np, "regulator-ramp-delay", &pval); if (!ret) { if (pval)