ARM: dts: at91rm9200: pullup rx on uart0

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@axentia.se>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index 3f3149c..2ad69a7 100644 (file)
--- 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 {