ARM: dts: at91sam9260: pullup rx on usart0
authorPeter Rosin <peda@axentia.se>
Wed, 21 Mar 2018 15:35:52 +0000 (16:35 +0100)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Wed, 21 Mar 2018 20:47:00 +0000 (21:47 +0100)
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>
arch/arm/boot/dts/at91sam9260.dtsi

index 3ae7e6c55fe41e726b625cfc1dbc08a2cc48d91e..9118e29b6d6ad28313ac005377a88174eb4766fb 100644 (file)
                                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 {