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>
(cherry picked from commit 29a647c396a054b087b124372ffb261f40ee9856)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-henninger.dts b/arch/arm/boot/dts/r8a7791-henninger.dts
index cc6d992..c0c58ce 100644 (file)
--- 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";