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/at91rm9200.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index 3f3149c156a8..2ad69a7fbc00 100644
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -493,8 +493,8 @@
uart0 {
pinctrl_uart0: uart0-0 {
atmel,pins =
- <AT91_PIOA 17 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA17 periph A */
- AT91_PIOA 18 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA18 periph A */
+ <AT91_PIOA 17 AT91_PERIPH_A AT91_PINCTRL_NONE
+ AT91_PIOA 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};
pinctrl_uart0_cts: uart0_cts-0 {
--
2.11.0
--
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