diff options
| -rw-r--r-- | arch/arm/boot/dts/am335x-nano.dts | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts index 05cbfe24f778..cecc2afaeff4 100644 --- a/arch/arm/boot/dts/am335x-nano.dts +++ b/arch/arm/boot/dts/am335x-nano.dts @@ -187,12 +187,22 @@ &uart3 { pinctrl-names = "default"; pinctrl-0 = <&uart3_pins>; + rts-gpio = <&gpio2 17 GPIO_ACTIVE_HIGH>; + rs485-rts-active-high; + rs485-rx-during-tx; + rs485-rts-delay = <1 1>; + linux,rs485-enabled-at-boot-time; status = "okay"; }; &uart4 { pinctrl-names = "default"; pinctrl-0 = <&uart4_pins>; + rts-gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>; + rs485-rts-active-high; + rs485-rx-during-tx; + rs485-rts-delay = <1 1>; + linux,rs485-enabled-at-boot-time; status = "okay"; }; |