Add resume support.
It has been tested on J7200 SR1.0 and SR2.0.
Based on the work of Théo Lebrun <theo.lebrun@xxxxxxxxxxx>
Signed-off-by: Thomas Richard <thomas.richard@xxxxxxxxxxx>
---
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);
--
2.39.2
