ARM: shmobile: lager: fixup IIC2 clock frequency

Current Lager IIC2 is using default clock frequency,
but, ak4643 audio codec chip needs 100kHz
This patch clarifies IIC2 clock frequency as 100kHz.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 830f2e87df49..86fb2ee29782 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -429,6 +429,8 @@
         pinctrl-0 = <&iic2_pins>;
         pinctrl-names = "default";
 
+        clock-frequency = <100000>;
+
         composite-in@20 {
                 compatible = "adi,adv7180";
                 reg = <0x20>;