ARM: shmobile: alt: add I2C1 DT support

Defines the board-dependent part of the I2C1 device.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index e7c9455..88ed017 100644 (file)
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -115,6 +115,11 @@
                renesas,groups = "eth_link_b", "eth_mdio_b", "eth_rmii_b";
                renesas,function = "eth";
        };
+
+       i2c1_pins: i2c1 {
+               renesas,groups = "i2c1";
+               renesas,function = "i2c1";
+       };
 };
 
 &cmt0 {
@@ -134,6 +139,14 @@
        };
 };
 
+&i2c1 {
+       pinctrl-0 = <&i2c1_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+       clock-frequency = <400000>;
+};
+
 &scif2 {
        status = "okay";
 };