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: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index a7031c6b8603..5d3ed5aafc69 100644
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -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";