Update our copies of the Device Tree Source to Linux 4.15vendor/device-tree/4.15

1 files changed, 12 insertions, 0 deletions

diff --git a/src/arm64/marvell/armada-3720-espressobin.dts b/src/arm64/marvell/armada-3720-espressobin.dts
index 2ce52ba74f73..bdfb5553ddb5 100644
--- a/src/arm64/marvell/armada-3720-espressobin.dts
+++ b/src/arm64/marvell/armada-3720-espressobin.dts
@@ -98,9 +98,21 @@
 
 /* Exported on the micro USB connector J5 through an FTDI */
 &uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>;
 	status = "okay";
 };
 
+/*
+ * Connector J17 and J18 expose a number of different features. Some pins are
+ * multiplexed. This is the case for instance for the following features:
+ * - UART1 (pin 24 = RX, pin 26 = TX). See armada-3720-db.dts for an example of
+ *   how to enable it. Beware that the signals are 1.8V TTL.
+ * - I2C
+ * - SPI
+ * - MMC
+ */
+
 /* J7 */
 &usb3 {
 	status = "okay";