ARM: dts: iwg22m: Add RTC support

Add support for the bq32000 RTC to the iwg22m device tree.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
index afb1148..e306e7c 100644 (file)
--- a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
+++ b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
@@ -37,6 +37,11 @@
                groups = "mmc_data8", "mmc_ctrl";
                function = "mmc";
        };
+
+       i2c3_pins: i2c3 {
+               groups = "i2c3_b";
+               function = "i2c3";
+       };
 };
 
 &mmcif0 {
@@ -48,3 +53,16 @@
        non-removable;
        status = "okay";
 };
+
+&i2c3 {
+       pinctrl-0 = <&i2c3_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+       clock-frequency = <400000>;
+
+       rtc@68 {
+               compatible = "ti,bq32000";
+               reg = <0x68>;
+       };
+};