ARM: dts: rockchip: Add io-domain node for rk3228

This patch adds io-domain support for rk3228 SoC.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 31e04e9..d81f90e 100644 (file)
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -228,6 +228,11 @@
                #address-cells = <1>;
                #size-cells = <1>;
 
+               io_domains: io-domains {
+                       compatible = "rockchip,rk3228-io-voltage-domain";
+                       status = "disabled";
+               };
+
                u2phy0: usb2-phy@760 {
                        compatible = "rockchip,rk3228-usb2phy";
                        reg = <0x0760 0x0c>;