The DFI unit can be used to measure DRAM utilization using perf. Add the
node to the device tree.
Signed-off-by: Sascha Hauer <[email protected]>
---
arch/arm64/boot/dts/rockchip/rk356x.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 61680c7ac4899..a92a07e553133 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -948,6 +948,13 @@ qos_vop_m1: qos@fe1a8100 {
reg = <0x0 0xfe1a8100 0x0 0x20>;
};
+ dfi: dfi@fe230000 {
+ compatible = "rockchip,rk3568-dfi";
+ reg = <0x00 0xfe230000 0x00 0x400>;
+ interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,pmu = <&pmugrf>;
+ };
+
pcie2x1: pcie@fe260000 {
compatible = "rockchip,rk3568-pcie";
reg = <0x3 0xc0000000 0x0 0x00400000>,
--
2.39.2