[PATCH 4/7] arm64: dts: rockchip: add DFI node to RK3576
From: Sebastian Reichel
Date: Thu Sep 17 2026 - 10:22:20 EST
From: Nicolas Frattaroli <nicolas.frattaroli@xxxxxxxxxxxxx>
Like previous Rockchip SoCs RK3576 has DFI hardware to measure DDR
bandwidth utilisation. Add the node for it to the SoC's DT.
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@xxxxxxxxxxxxx>
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3576.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
index b0c0d3c8b1b1..197b8c3b76b4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
@@ -1832,6 +1832,17 @@ qos_npu_m1ro: qos@27f22100 {
reg = <0x0 0x27f22100 0x0 0x20>;
};
+ dfi: dfi@2a000000 {
+ compatible = "rockchip,rk3576-dfi";
+ reg = <0x0 0x2a000000 0x0 0x20000>;
+ clocks = <&cru PCLK_DDR_MON_CH0>,
+ <&cru PCLK_DDR_MON_CH1>;
+ clock-names = "pclk_ddr_mon_ch0", "pclk_ddr_mon_ch1";
+ interrupts = <GIC_SPI 221 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,pmu = <&pmu1_grf>;
+ };
+
gmac0: ethernet@2a220000 {
compatible = "rockchip,rk3576-gmac", "snps,dwmac-4.20a";
reg = <0x0 0x2a220000 0x0 0x10000>;
--
2.53.0