From patchwork Fri Nov 9 22:28:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Evan Green X-Patchwork-Id: 995777 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="mHQKhLB0"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42sFF1615yz9sDL for ; Sat, 10 Nov 2018 09:29:09 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728177AbeKJILk (ORCPT ); Sat, 10 Nov 2018 03:11:40 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:35182 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726181AbeKJILk (ORCPT ); Sat, 10 Nov 2018 03:11:40 -0500 Received: by mail-pf1-f193.google.com with SMTP id v9-v6so1551361pff.2 for ; Fri, 09 Nov 2018 14:29:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id; bh=deR2DBQY1z1RlhRjU/vwUxZxbWnUFD1ztEzC9UHYdaw=; b=mHQKhLB0jweDp3nEPUKUWvftJymlgE+58bcdhthWb+RnQKggsADsN9XOhKRZK00nF5 6v1QBlHR2PCj8s7ZReZADrXk2JMW1UqqRUqcU0m4bCZfziHAam6gY+qQ4EWTESp5AT7O 1Ab+q3y35nPd422/nPzC229AiCYbDj/kBUI1A= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=deR2DBQY1z1RlhRjU/vwUxZxbWnUFD1ztEzC9UHYdaw=; b=XmMcNVx4b5e3D3DOkF7Ky6mIJ3qog/pviJOfXIIi41/Lby20qMNpEfnjwkC8X0sZT8 6GB+BkG8PbiqfBXywqtdThsuivoOo8l2U3YGr0xJHgcW4BHqUjTXARkTNs76WI214EhZ 0HR83FMwZZrFrj3vRMduMwnani/CbYPGnBuqPQ4GBXd/+/PWF443OPSm3Wrm4DLn08Sq facMf2ID/ZTelKZoYeqdy+vA8j6iJem4Z14iYbLY1sJnqe7z/MS3NrapRB5jkMiIbqrT dh5mfkFZ2/33eMTnt5Wxk6n485aADeiH18KdHidwNmRYSr/ZRAhCGBemDIxraUP6XQG2 3dGA== X-Gm-Message-State: AGRZ1gIPtkZgoxdBzUMdzTcjdmqpipJ5b5+UZuYNfIhYHKocfkSkgJly lfIaw2NuuyAsMF553sZCFWvTAA== X-Google-Smtp-Source: AJdET5cBuQY5XuyXvhktTS2gRRmtrMKU/a8lxZeyhXHR3G8CKN60ZBaMD3OzpLgH8wHp5HXOVlqBxw== X-Received: by 2002:a65:5a8e:: with SMTP id c14mr9014921pgt.137.1541802543043; Fri, 09 Nov 2018 14:29:03 -0800 (PST) Received: from evgreen2.mtv.corp.google.com ([2620:15c:202:201:e418:c825:76cf:5f64]) by smtp.gmail.com with ESMTPSA id o7-v6sm11581274pfb.23.2018.11.09.14.29.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 09 Nov 2018 14:29:02 -0800 (PST) From: Evan Green To: Linus Walleij , Bjorn Andersson Cc: Stephen Boyd , Evan Green , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH] pinctrl: msm: Add sleep pinctrl state transitions Date: Fri, 9 Nov 2018 14:28:35 -0800 Message-Id: <20181109222835.60607-1-evgreen@chromium.org> X-Mailer: git-send-email 2.16.4 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add PM suspend callbacks to the msm core driver that select the sleep and default pinctrl states. Then wire those callbacks up in the sdm845 driver, for those boards that may have GPIO hogs that need to change state during suspend. Signed-off-by: Evan Green Reviewed-by: Stephen Boyd --- drivers/pinctrl/qcom/pinctrl-msm.c | 16 ++++++++++++++++ drivers/pinctrl/qcom/pinctrl-msm.h | 2 ++ drivers/pinctrl/qcom/pinctrl-sdm845.c | 4 ++++ 3 files changed, 22 insertions(+) diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 7c7d083e2c0dc..d505d0a50f0a5 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -1072,6 +1072,22 @@ static void msm_pinctrl_setup_pm_reset(struct msm_pinctrl *pctrl) } } +int msm_pinctrl_suspend(struct device *dev) +{ + struct msm_pinctrl *pctrl = dev_get_drvdata(dev); + + return pinctrl_force_sleep(pctrl->pctrl); +} +EXPORT_SYMBOL(msm_pinctrl_suspend); + +int msm_pinctrl_resume(struct device *dev) +{ + struct msm_pinctrl *pctrl = dev_get_drvdata(dev); + + return pinctrl_force_default(pctrl->pctrl); +} +EXPORT_SYMBOL(msm_pinctrl_resume); + int msm_pinctrl_probe(struct platform_device *pdev, const struct msm_pinctrl_soc_data *soc_data) { diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h index 29172fdf5882c..e163ca600ecd3 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.h +++ b/drivers/pinctrl/qcom/pinctrl-msm.h @@ -123,6 +123,8 @@ struct msm_pinctrl_soc_data { unsigned int ntiles; }; +int msm_pinctrl_suspend(struct device *dev); +int msm_pinctrl_resume(struct device *dev); int msm_pinctrl_probe(struct platform_device *pdev, const struct msm_pinctrl_soc_data *soc_data); int msm_pinctrl_remove(struct platform_device *pdev); diff --git a/drivers/pinctrl/qcom/pinctrl-sdm845.c b/drivers/pinctrl/qcom/pinctrl-sdm845.c index 2ab7a88857579..a3ac9cbeabad1 100644 --- a/drivers/pinctrl/qcom/pinctrl-sdm845.c +++ b/drivers/pinctrl/qcom/pinctrl-sdm845.c @@ -1287,6 +1287,9 @@ static const struct msm_pinctrl_soc_data sdm845_pinctrl = { .ngpios = 150, }; +static SIMPLE_DEV_PM_OPS(sdm845_pinctrl_dev_pm_ops, msm_pinctrl_suspend, + msm_pinctrl_resume); + static int sdm845_pinctrl_probe(struct platform_device *pdev) { return msm_pinctrl_probe(pdev, &sdm845_pinctrl); @@ -1300,6 +1303,7 @@ static const struct of_device_id sdm845_pinctrl_of_match[] = { static struct platform_driver sdm845_pinctrl_driver = { .driver = { .name = "sdm845-pinctrl", + .pm = &sdm845_pinctrl_dev_pm_ops, .of_match_table = sdm845_pinctrl_of_match, }, .probe = sdm845_pinctrl_probe,