ARM: shmobile: henninger: add I2C2 DT support

Define the Henninger board dependent part of the I2C2 device node.

Based on the Koelsch I2C2 device tree patch by Wolfram Sang.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7791-henninger.dts b/arch/arm/boot/dts/r8a7791-henninger.dts
index cc6d992e8db2..c0c58ce7746e 100644
--- a/arch/arm/boot/dts/r8a7791-henninger.dts
+++ b/arch/arm/boot/dts/r8a7791-henninger.dts
@@ -110,6 +110,11 @@
                 renesas,function = "sdhi2";
         };
 
+        i2c2_pins: i2c2 {
+                renesas,groups = "i2c2";
+                renesas,function = "i2c2";
+        };
+
         qspi_pins: spi0 {
                 renesas,groups = "qspi_ctrl", "qspi_data4";
                 renesas,function = "qspi";
@@ -170,6 +175,14 @@
         status = "okay";
 };
 
+&i2c2 {
+        pinctrl-0 = <&i2c2_pins>;
+        pinctrl-names = "default";
+
+        status = "okay";
+        clock-frequency = <400000>;
+};
+
 &qspi {
         pinctrl-0 = <&qspi_pins>;
         pinctrl-names = "default";