From patchwork Wed Oct 15 16:20:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 5086001 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id AF7579F2BA for ; Wed, 15 Oct 2014 16:21:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DEB46200DF for ; Wed, 15 Oct 2014 16:21:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5947120138 for ; Wed, 15 Oct 2014 16:21:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751909AbaJOQVJ (ORCPT ); Wed, 15 Oct 2014 12:21:09 -0400 Received: from bhuna.collabora.co.uk ([93.93.135.160]:33569 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751906AbaJOQVH (ORCPT ); Wed, 15 Oct 2014 12:21:07 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id 68C59603E55 From: Javier Martinez Canillas To: Mark Brown Cc: Doug Anderson , Chanwoo Choi , Olof Johansson , Chris Zhong , Krzysztof Kozlowski , Abhilash Kesavan , linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Javier Martinez Canillas Subject: [PATCH 8/9] regulator: max77802: Parse regulator operating mode properties Date: Wed, 15 Oct 2014 18:20:38 +0200 Message-Id: <1413390039-19364-9-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1413390039-19364-1-git-send-email-javier.martinez@collabora.co.uk> References: <1413390039-19364-1-git-send-email-javier.martinez@collabora.co.uk> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@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 The max77802 PMIC regulators output can be configured in one of two modes: Output ON (normal) and Output ON in Low Power Mode. Some of the regulators support their operating mode to be changed on startup or by consumers when the system is running while others only support their operating mode to be changed while the system has entered in a suspend state. The max77802 PMIC Device Tree binding document a set of properties to configure the regulators operating modes from a FDT. This patch parse those properties and fills the regulator constraints so the regulator core can call the suspend handlers when the system enters into sleep. Signed-off-by: Javier Martinez Canillas --- drivers/regulator/max77802.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/regulator/max77802.c b/drivers/regulator/max77802.c index 43e34dd..c922edc 100644 --- a/drivers/regulator/max77802.c +++ b/drivers/regulator/max77802.c @@ -517,6 +517,22 @@ static struct regulator_desc regulators[] = { }; #ifdef CONFIG_OF + +static void max77802_parse_opmodes(struct device_node *np, + struct regulation_constraints *cons) +{ + u32 pval; + + if (!of_property_read_u32(np, "maxim,regulator-initial-mode", &pval)) + cons->initial_mode = MAX77802_MODE(pval); + + if (!of_property_read_u32(np, "maxim,regulator-disk-mode", &pval)) + cons->state_disk.mode = MAX77802_MODE(pval); + + if (!of_property_read_u32(np, "maxim,regulator-mem-mode", &pval)) + cons->state_mem.mode = MAX77802_MODE(pval); +} + static int max77802_pmic_dt_parse_pdata(struct platform_device *pdev, struct max77686_platform_data *pdata) { @@ -554,6 +570,8 @@ static int max77802_pmic_dt_parse_pdata(struct platform_device *pdev, rdata[i].initdata = rmatch.init_data; rdata[i].of_node = rmatch.of_node; rdata[i].id = regulators[i].id; + max77802_parse_opmodes(rdata[i].of_node, + &rdata[i].initdata->constraints); } pdata->regulators = rdata;