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>
(cherry picked from commit 177d8bea33899cef3989a2d0b4ea7213b5f34d0a)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 0077600..2781db1 100644 (file)
--- 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>;