@@ -507,6 +507,43 @@
};
};
+&qup_uart3_sleep {
+ pinconf-cts {
+ /*
+ * Configure no-pull on CTS. As this is driven by BT, do not
+ * specify any pull in order to not conflict with BT pulls.
+ */
+ pins = "gpio38";
+ bias-disable;
+ };
+
+ pinconf-rts {
+ /*
+ * Configure pull-down on RTS to make sure that the BT SoC can
+ * wake up the system by sending wakeup bytes during suspend.
+ */
+ pins = "gpio39";
+ bias-pull-down;
+ };
+
+ pinconf-tx {
+ /* Configure pull-up on TX when it isn't actively driven */
+ pins = "gpio40";
+ bias-pull-up;
+ };
+
+ pinconf-rx {
+ /*
+ * Configure a pull-up on RX. This is needed to avoid
+ * garbage data when the TX pin of the Bluetooth module is
+ * in tri-state (module powered off or not driving the
+ * signal yet).
+ */
+ pins = "gpio41";
+ bias-pull-up;
+ };
+};
+
&qup_uart8_default {
pinconf-tx {
pins = "gpio44";