summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/overlays/uart1-overlay.dts
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot/dts/overlays/uart1-overlay.dts')
-rw-r--r--arch/arm/boot/dts/overlays/uart1-overlay.dts38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/overlays/uart1-overlay.dts b/arch/arm/boot/dts/overlays/uart1-overlay.dts
new file mode 100644
index 000000000000..fa73e1feaeb1
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/uart1-overlay.dts
@@ -0,0 +1,38 @@
+/dts-v1/;
+/plugin/;
+
+/{
+ compatible = "brcm,bcm2708";
+
+ fragment@0 {
+ target = <&uart1>;
+ __overlay__ {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+ status = "okay";
+ };
+ };
+
+ fragment@1 {
+ target = <&gpio>;
+ __overlay__ {
+ uart1_pins: uart1_pins {
+ brcm,pins = <14 15>;
+ brcm,function = <2>; /* alt5 */
+ brcm,pull = <0 2>;
+ };
+ };
+ };
+
+ fragment@2 {
+ target-path = "/chosen";
+ __overlay__ {
+ bootargs = "8250.nr_uarts=1";
+ };
+ };
+
+ __overrides__ {
+ txd1_pin = <&uart1_pins>,"brcm,pins:0";
+ rxd1_pin = <&uart1_pins>,"brcm,pins:4";
+ };
+};