arm64: dts: rockchip: add rk3368 io-domain core nodes

Add the core io-domain nodes to grf and pmugrf which individual
boards than just have to enable and add the necessary supplies to.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 4fb8484..58c2585 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -634,6 +634,11 @@
        pmugrf: syscon@ff738000 {
                compatible = "rockchip,rk3368-pmugrf", "syscon", "simple-mfd";
                reg = <0x0 0xff738000 0x0 0x1000>;
+
+               pmu_io_domains: io-domains {
+                       compatible = "rockchip,rk3368-pmu-io-voltage-domain";
+                       status = "disabled";
+               };
        };
 
        cru: clock-controller@ff760000 {
@@ -647,6 +652,11 @@
        grf: syscon@ff770000 {
                compatible = "rockchip,rk3368-grf", "syscon", "simple-mfd";
                reg = <0x0 0xff770000 0x0 0x1000>;
+
+               io_domains: io-domains {
+                       compatible = "rockchip,rk3368-io-voltage-domain";
+                       status = "disabled";
+               };
        };
 
        wdt: watchdog@ff800000 {