From patchwork Fri Jan 26 14:36:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Richard X-Patchwork-Id: 13532849 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B7557C47422 for ; Fri, 26 Jan 2024 15:49:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=k2h7D+DH04jpRq+D0XNm7EE1gux2CvpVtiT9qrt8Rhc=; b=dcsgeV9J2R5w7A Li8wlRgQ2xKcJpcecPqEVW4YO3zLyY93LgtP+0e2YCOZ/ELmURG01IWK0n6AsKnW5pe2qNgTWSupg 5wzqw9l00GvccZKbqoKTDW771x6ZZU5ZEdDPP7rq15BKKaoMWLk3YAuUawDzPv6XlrAsumppl2WmK X4kuegeid5tz/PIROui2rS+BazE9H3PhPwxQUqDItT/0tmFDqhSTx5Ycd1xBhHjdjws3GKisHsMnZ WfFYJa/W6m0QK4ZlywUsyGbU3kvAx8ty1ePEqjxn4V1TbSnFOVklRB95uQeO4UdUUgXmJNJ1K027C 5cc+34GUaO8luBkd0bcg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rTOSp-00000004aEB-1lMq; Fri, 26 Jan 2024 15:49:55 +0000 Received: from relay2-d.mail.gandi.net ([217.70.183.194]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rTNL8-00000004N42-07cb; Fri, 26 Jan 2024 14:37:55 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 466B04000F; Fri, 26 Jan 2024 14:37:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1706279872; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I18NFvlzsoQfZSmja7rXdApCroRS70XYkOT3y7UrK2g=; b=fumspxXRNw5UiOEesNyasc94ujx9HeTv582Up4GE0IaxaMpACWSc19XX5ZdiGHjcP2H5Cy foG4E5lxEtWWThdX+GRtdP2ppslw2kiq5USgOYsDkwvI9D/yQVdURPKIBjKtBoRn8kRSzM qd+FZ0ZJfKxIGSn9ziVAPpNEp8aCgkND7XQ1tlUdLFz+kb7b+CI2szTvaf8bkshv1Gx0Js 5UMY6+3ARpLmSGbzwOlqLZfz6tkvjZkcq2FW6rycjJSzffzsw8vQd3xumCNWCzSpQ5cLQQ feZjVdsEItXk5zxcz5wk+R/ZcGQs7JLBDLCXqc4Oc9Vg8bDFrhe3XB3qMirEjQ== From: Thomas Richard Date: Fri, 26 Jan 2024 15:36:49 +0100 Subject: [PATCH v2 07/15] phy: ti: phy-j721e-wiz: add resume support MIME-Version: 1.0 Message-Id: <20240102-j7200-pcie-s2r-v2-7-8e4f7d228ec2@bootlin.com> References: <20240102-j7200-pcie-s2r-v2-0-8e4f7d228ec2@bootlin.com> In-Reply-To: <20240102-j7200-pcie-s2r-v2-0-8e4f7d228ec2@bootlin.com> To: Linus Walleij , Bartosz Golaszewski , Andy Shevchenko , Tony Lindgren , Haojian Zhuang , Vignesh R , Aaro Koskinen , Janusz Krzysztofik , Andi Shyti , Peter Rosin , Vinod Koul , Kishon Vijay Abraham I , Philipp Zabel , Tom Joseph , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org, linux-phy@lists.infradead.org, linux-pci@vger.kernel.org, gregory.clement@bootlin.com, theo.lebrun@bootlin.com, thomas.petazzoni@bootlin.com, u-kumar1@ti.com, Thomas Richard X-Mailer: b4 0.12.0 X-GND-Sasl: thomas.richard@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240126_063754_363512_9FE0B5A9 X-CRM114-Status: GOOD ( 13.83 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add resume support. It has been tested on J7200 SR1.0 and SR2.0. Based on the work of Théo Lebrun Signed-off-by: Thomas Richard --- drivers/phy/ti/phy-j721e-wiz.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c index 09f7edf16562..163ac3e95ddb 100644 --- a/drivers/phy/ti/phy-j721e-wiz.c +++ b/drivers/phy/ti/phy-j721e-wiz.c @@ -1666,12 +1666,47 @@ static void wiz_remove(struct platform_device *pdev) pm_runtime_disable(dev); } +static int wiz_resume_noirq(struct device *dev) +{ + struct device_node *node = dev->of_node; + struct wiz *wiz = dev_get_drvdata(dev); + int ret; + + /* Enable supplemental Control override if available */ + if (wiz->sup_legacy_clk_override) + regmap_field_write(wiz->sup_legacy_clk_override, 1); + + ret = wiz_clock_init(wiz, node, false); + if (ret < 0) { + dev_warn(dev, "Failed to initialize clocks\n"); + goto err_get_sync; + } + + ret = wiz_init(wiz); + if (ret) { + dev_err(dev, "WIZ initialization failed\n"); + goto err_wiz_init; + } + + return 0; + +err_wiz_init: + wiz_clock_cleanup(wiz, node); + +err_get_sync: + + return ret; +} + +static DEFINE_NOIRQ_DEV_PM_OPS(wiz_pm_ops, NULL, wiz_resume_noirq); + static struct platform_driver wiz_driver = { .probe = wiz_probe, .remove_new = wiz_remove, .driver = { .name = "wiz", .of_match_table = wiz_id_table, + .pm = pm_sleep_ptr(&wiz_pm_ops), }, }; module_platform_driver(wiz_driver);