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From: Thomas Richard <thomas.richard@bootlin.com>
To: "Linus Walleij" <linus.walleij@linaro.org>,
	"Bartosz Golaszewski" <brgl@bgdev.pl>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Tony Lindgren" <tony@atomide.com>,
	"Haojian Zhuang" <haojian.zhuang@linaro.org>,
	"Vignesh R" <vigneshr@ti.com>,
	"Aaro Koskinen" <aaro.koskinen@iki.fi>,
	"Janusz Krzysztofik" <jmkrzyszt@gmail.com>,
	"Andi Shyti" <andi.shyti@kernel.org>,
	"Peter Rosin" <peda@axentia.se>, "Vinod Koul" <vkoul@kernel.org>,
	"Kishon Vijay Abraham I" <kishon@kernel.org>,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Rob Herring" <robh@kernel.org>,
	"Bjorn Helgaas" <bhelgaas@google.com>
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 <thomas.richard@bootlin.com>
Subject: [PATCH v4 08/18] phy: ti: phy-j721e-wiz: add resume support
Date: Mon, 04 Mar 2024 16:35:51 +0100	[thread overview]
Message-ID: <20240102-j7200-pcie-s2r-v4-8-6f1f53390c85@bootlin.com> (raw)
In-Reply-To: <20240102-j7200-pcie-s2r-v4-0-6f1f53390c85@bootlin.com>

Add resume support.
It has been tested on J7200 SR1.0 and SR2.0.

Co-developed-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
---
 drivers/phy/ti/phy-j721e-wiz.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c
index 0e3cb1ed5a52..b2320f2efb72 100644
--- a/drivers/phy/ti/phy-j721e-wiz.c
+++ b/drivers/phy/ti/phy-j721e-wiz.c
@@ -1660,12 +1660,41 @@ 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);
+
+	wiz_clock_init(wiz);
+
+	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);
+
+	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);

-- 
2.39.2


  parent reply	other threads:[~2024-03-04 15:36 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-04 15:35 [PATCH v4 00/18] Add suspend to ram support for PCIe on J7200 Thomas Richard
2024-03-04 15:35 ` [PATCH v4 01/18] gpio: pca953x: move suspend()/resume() to suspend_noirq()/resume_noirq() Thomas Richard
2024-03-04 15:35 ` [PATCH v4 02/18] pinctrl: pinctrl-single: move suspend()/resume() callbacks to noirq Thomas Richard
2024-03-08  8:39   ` Tony Lindgren
2024-03-20  7:44   ` Dhruva Gole
2024-03-20  8:37     ` Thomas Richard
2024-03-28 21:07   ` Linus Walleij
2024-03-04 15:35 ` [PATCH v4 03/18] i2c: omap: wakeup the controller during suspend() callback Thomas Richard
2024-03-08  8:42   ` Tony Lindgren
2024-03-12  8:03     ` Wolfram Sang
2024-03-13  0:48       ` Andi Shyti
2024-03-13  6:21         ` Wolfram Sang
2024-03-13  0:37   ` Andi Shyti
2024-03-04 15:35 ` [PATCH v4 04/18] mux: add mux_chip_resume() function Thomas Richard
2024-03-04 15:35 ` [PATCH v4 05/18] mux: mmio: add resume support Thomas Richard
2024-03-04 15:35 ` [PATCH v4 06/18] phy: ti: phy-j721e-wiz: use dev_err_probe() instead of dev_err() Thomas Richard
2024-03-04 15:35 ` [PATCH v4 07/18] phy: ti: phy-j721e-wiz: split wiz_clock_init() function Thomas Richard
2024-04-05 16:42   ` Vinod Koul
2024-03-04 15:35 ` Thomas Richard [this message]
2024-04-05 16:44   ` [PATCH v4 08/18] phy: ti: phy-j721e-wiz: add resume support Vinod Koul
2024-04-05 17:14     ` Andy Shevchenko
2024-03-04 15:35 ` [PATCH v4 09/18] phy: cadence-torrent: extract calls to clk_get from cdns_torrent_clk Thomas Richard
2024-03-04 15:35 ` [PATCH v4 10/18] phy: cadence-torrent: register resets even if the phy is already configured Thomas Richard
2024-03-04 15:35 ` [PATCH v4 11/18] phy: cadence-torrent: add already_configured to struct cdns_torrent_phy Thomas Richard
2024-03-04 15:35 ` [PATCH v4 12/18] phy: cadence-torrent: remove noop_ops phy operations Thomas Richard
2024-03-04 15:35 ` [PATCH v4 13/18] phy: cadence-torrent: add suspend and resume support Thomas Richard
2024-03-04 15:35 ` [PATCH v4 14/18] PCI: cadence: Extract link setup sequence from cdns_pcie_host_setup() Thomas Richard
2024-03-04 15:35 ` [PATCH v4 15/18] PCI: cadence: Set cdns_pcie_host_init() global Thomas Richard
2024-03-04 15:35 ` [PATCH v4 16/18] PCI: j721e: Use dev_err_probe() in the probe() function Thomas Richard
2024-04-10  7:51   ` Francesco Dolcini
2024-03-04 15:36 ` [PATCH v4 17/18] PCI: j721e: Add reset GPIO to struct j721e_pcie Thomas Richard
2024-03-04 15:36 ` [PATCH v4 18/18] PCI: j721e: Add suspend and resume support Thomas Richard
2024-03-13  6:51   ` Siddharth Vadapalli
2024-03-28 22:07   ` Bjorn Helgaas

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