For consistency with all other serial pins, add this pullup. It also
prevents the signal from floating and so consuming a useless extra amount
of power in crowbarred state if nothing is connected to RX.
Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
---
arch/arm/boot/dts/at91sam9260.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index 3ae7e6c55fe4..9118e29b6d6a 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -434,8 +434,8 @@
usart0 {
pinctrl_usart0: usart0-0 {
atmel,pins =
- <AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB4 periph A */
- AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB5 periph A */
+ <AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE
+ AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};
pinctrl_usart0_rts: usart0_rts-0 {
--
2.11.0
--
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