From: Lin Huang <[email protected]>

These are required to support DDR DVFS on rk3399 platform.

Signed-off-by: Lin Huang <[email protected]>
Signed-off-by: Enric Balletbo i Serra <[email protected]>
Signed-off-by: GaĆ«l PORTAY <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
---
 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi 
b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index edbbf35fe19e..6f23d99236fe 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1937,6 +1937,25 @@
                status = "disabled";
        };
 
+       dfi: dfi@ff630000 {
+               reg = <0x00 0xff630000 0x00 0x4000>;
+               compatible = "rockchip,rk3399-dfi";
+               rockchip,pmu = <&pmugrf>;
+               interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH 0>;
+               clocks = <&cru PCLK_DDR_MON>;
+               clock-names = "pclk_ddr_mon";
+               status = "disabled";
+       };
+
+       dmc: dmc {
+               compatible = "rockchip,rk3399-dmc";
+               rockchip,pmu = <&pmugrf>;
+               devfreq-events = <&dfi>;
+               clocks = <&cru SCLK_DDRC>;
+               clock-names = "dmc_clk";
+               status = "disabled";
+       };
+
        pinctrl: pinctrl {
                compatible = "rockchip,rk3399-pinctrl";
                rockchip,grf = <&grf>;
-- 
2.17.1

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