Add pin configuration subnode for RIIC2 interface.

Signed-off-by: Jacopo Mondi <jacopo+rene...@jmondi.org>
Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
 arch/arm/boot/dts/r7s72100-genmai.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/r7s72100-genmai.dts 
b/arch/arm/boot/dts/r7s72100-genmai.dts
index c28d74b..9add1b6 100644
--- a/arch/arm/boot/dts/r7s72100-genmai.dts
+++ b/arch/arm/boot/dts/r7s72100-genmai.dts
@@ -43,6 +43,12 @@
                /* P3_0 as TxD2; P3_2 as RxD2 */
                pinmux = <RZA1_PINMUX(3, 0, 6)>, <RZA1_PINMUX(3, 2, 4)>;
        };
+
+       i2c2_pins: i2c2 {
+               /* RIIC2: P1_4 as SCL, P1_5 as SDA */
+               pinmux = <RZA1_PINMUX(1, 4, 1)>, <RZA1_PINMUX(1, 5, 1)>;
+               bi-directional;
+       };
 };
 
 &extal_clk {
@@ -61,6 +67,9 @@
        status = "okay";
        clock-frequency = <400000>;
 
+       pinctrl-names = "default";
+       pinctrl-0 = <&i2c2_pins>;
+
        eeprom@50 {
                compatible = "renesas,24c128";
                reg = <0x50>;
-- 
2.7.4

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