Make pinctrl-single able to handle suspend/resume events and change
hogged pins states accordingly.
Signed-off-by: Hebbar Gururaja <gururaja.heb...@ti.com>
Cc: Linus Walleij <linus.wall...@linaro.org>
---
:100644 100644 b9fa046... bfd4f6a... M drivers/pinctrl/pinctrl-single.c
drivers/pinctrl/pinctrl-single.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index b9fa046..bfd4f6a 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1346,6 +1346,29 @@ static int pcs_add_gpio_func(struct device_node *node,
struct pcs_device *pcs)
return ret;
}
+static int pinctrl_single_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ struct pcs_device *pcs;
+
+ pcs = platform_get_drvdata(pdev);
+ if (!pcs)
+ return -EINVAL;
+
+ return pinctrl_force_sleep(pcs->pctl);
+}
+
+static int pinctrl_single_resume(struct platform_device *pdev)
+{
+ struct pcs_device *pcs;
+
+ pcs = platform_get_drvdata(pdev);
+ if (!pcs)
+ return -EINVAL;
+
+ return pinctrl_force_default(pcs->pctl);
+}
+
static int pcs_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -1494,6 +1517,10 @@ static struct platform_driver pcs_driver = {
.name = DRIVER_NAME,
.of_match_table = pcs_of_match,
},
+#ifdef CONFIG_PM
+ .suspend = pinctrl_single_suspend,
+ .resume = pinctrl_single_resume,
+#endif
};
module_platform_driver(pcs_driver);
--
1.7.9.5
_______________________________________________
devicetree-discuss mailing list
devicetree-discuss@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/devicetree-discuss
