ARM: kirkwood: add i2c-gpio controller for km_kirkwood

This controller is used to access the reset management FPGA of the
km_kirkwood boards.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
index 66b971bbe68f..5d9f5ea78700 100644
--- a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
+++ b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
@@ -42,4 +42,11 @@
                         chip-delay = <25>;
                 };
         };
+
+        i2c@0 {
+                compatible = "i2c-gpio";
+                gpios = < &gpio0 8 0            /* sda */
+                        &gpio0 9 0 >;           /* scl */
+                i2c-gpio,delay-us = <2>;        /* ~100 kHz */
+        };
 };