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phy: ti: phy-j721e-wiz: add resume support

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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>
Link: https://lore.kernel.org/r/20240412-j7200-phy-s2r-v1-3-f15815833974@bootlin.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Thomas Richard 2024-04-16 14:52:32 +02:00 committed by Vinod Koul
parent 3c4e13cf9e
commit b5539abdd0
1 changed files with 29 additions and 0 deletions
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29
drivers/phy/ti/phy-j721e-wiz.c
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@ -1659,12 +1659,41 @@ static void wiz_remove(struct platform_device *pdev)
pm_runtime_disable(dev); 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 = { static struct platform_driver wiz_driver = {
.probe = wiz_probe, .probe = wiz_probe,
.remove_new = wiz_remove, .remove_new = wiz_remove,
.driver = { .driver = {
.name = "wiz", .name = "wiz",
.of_match_table = wiz_id_table, .of_match_table = wiz_id_table,
.pm = pm_sleep_ptr(&wiz_pm_ops),
}, },
}; };
module_platform_driver(wiz_driver); module_platform_driver(wiz_driver);