Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 83960c82 authored by Joachim Eastwood's avatar Joachim Eastwood Committed by Nicolas Ferre
Browse files

ARM: at91: add pinctrl nodes to i2c-gpio on RM92000 DT 



GPIO pins used by i2c-gpio must be set to multi drive
(open drain) to work properly.

Signed-off-by: default avatarJoachim Eastwood <manabian@gmail.com>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 2d25210d

arch/arm/boot/dts/at91rm9200.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -383,6 +383,12 @@ 
							<0 25 0x1 0x2	/* PA25 periph A with multi drive */

							 0 26 0x1 0x2>;	/* PA26 periph A with multi drive */

					};



					pinctrl_twi_gpio: twi_gpio-0 {

						atmel,pins =

							<0 25 0x0 0x2	/* PA25 GPIO with multi drive */

							 0 26 0x0 0x2>;	/* PA26 GPIO with multi drive */

					};

				};



				pioA: gpio@fffff400 {
@@ -520,6 +526,8 @@ 
		i2c-gpio,sda-open-drain;

		i2c-gpio,scl-open-drain;

		i2c-gpio,delay-us = <2>;	/* ~100 kHz */

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_twi_gpio>;

		#address-cells = <1>;

		#size-cells = <0>;

		status = "disabled";