diff options
Diffstat (limited to 'arch/arm/boot/dts/overlays/uart1-overlay.dts')
-rw-r--r-- | arch/arm/boot/dts/overlays/uart1-overlay.dts | 38 |
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"; + }; +}; |