From patchwork Mon Jan 15 16:14:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Richard X-Patchwork-Id: 13519830 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 72E0DC47258 for ; Mon, 15 Jan 2024 16:17:05 +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=6KOlEfBwkaoieJuxN7A+lh5EMxmo/CvtUF+8D/ZUOtE=; b=D6kILwG1y4q3G1 LJ1wHfDMCwQ0S3je5zcHRqPnX8P8Q+wulKZttXoDROX7REgM58daTwuVAZxGzp8LDt+MQkBJA05gn TTBTcd+XdVl8twOwy2T0i82/GAQL7MmIL3R2DJh7wAaCa4BtLKy9/7h4U8A85lcDenk+FWCIZhEa7 r/CiRKumSZ8yIuuRJ3KGR4mbqouZVtg8NsbMUUBn9ixkkbweraRULAqsVftBJenhGyswkxfG2EwGa SoC+SzwE1lSjSYniPoHscwPcMfr8UuG4YDhmitduc8icVa5+s9tK1s88xUeaM6ayuiPzXrUDXi6+7 UWCfMHh2dcfOPaJssG5A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rPPdd-009aip-1l; Mon, 15 Jan 2024 16:16:37 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rPPdP-009aWi-2T; Mon, 15 Jan 2024 16:16:25 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 322DFC0008; Mon, 15 Jan 2024 16:16:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1705335382; 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=5sUS3vLWJetwrOxifoKHwojurtz05QQ0WVVV+b0as8c=; b=COOXp3qPdfsNX4WwaTj+W6tNhEJvjMWJwGpreYYsAzWHkD+A6UGJGtR6y0XvJRVUth+rs2 1gASrl5oLU9BrJ/J2UDxOXzPYx03q3SW8eLI+TtSKxG9C06QjLKmVsS5khzb3ZRbjvTjOi 0LH8AB+Uh+p8St2qxjjUc4GPijrgM5cK0qsEYAYs0yFtAl2NRy6aXsbXjmZJUAKhoy/JwA 2nMmfnm1FYFGQrlzibu6pz121m3l+m5C2Lyc2+WMMqyVY77aIttUeEwpzzSfk2qOJvNgLY qYRFtnhkloQNhaO9Tw9kjSKVn8hh8m1vhZseUUKfrl3wnB7AmJhciG9L9f7Aww== From: Thomas Richard Date: Mon, 15 Jan 2024 17:14:47 +0100 Subject: [PATCH 06/14] phy: ti: phy-j721e-wiz: add resume support MIME-Version: 1.0 Message-Id: <20240102-j7200-pcie-s2r-v1-6-84e55da52400@bootlin.com> References: <20240102-j7200-pcie-s2r-v1-0-84e55da52400@bootlin.com> In-Reply-To: <20240102-j7200-pcie-s2r-v1-0-84e55da52400@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-20240115_081624_140411_7F96BE29 X-CRM114-Status: GOOD ( 13.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c index 09f7edf16562..fac7070a9d6b 100644 --- a/drivers/phy/ti/phy-j721e-wiz.c +++ b/drivers/phy/ti/phy-j721e-wiz.c @@ -1666,12 +1666,51 @@ static void wiz_remove(struct platform_device *pdev) pm_runtime_disable(dev); } +#ifdef CONFIG_PM +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 const struct dev_pm_ops wiz_pm_ops = { + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(NULL, wiz_resume_noirq) +}; +#endif + static struct platform_driver wiz_driver = { .probe = wiz_probe, .remove_new = wiz_remove, .driver = { .name = "wiz", .of_match_table = wiz_id_table, + .pm = pm_ptr(&wiz_pm_ops), }, }; module_platform_driver(wiz_driver);