The DFI unit can be used to measure DRAM utilization using perf. Add the
node to the device tree. The DFI needs a rockchip,pmu phandle to the pmu
containing registers for SDRAM configuration details. This is added in
this patch as well.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
Notes:
Changes since v4:
- new patch
arch/arm64/boot/dts/rockchip/rk3588s.dtsi | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
index 657c019d27fa9..4a445d8704c8f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
@@ -388,6 +388,11 @@ scmi_shmem: sram@0 {
};
};
+ pmu1grf: syscon@fd58a000 {
+ compatible = "rockchip,rk3588-pmugrf", "syscon", "simple-mfd";
+ reg = <0x0 0xfd58a000 0x0 0x10000>;
+ };
+
sys_grf: syscon@fd58c000 {
compatible = "rockchip,rk3588-sys-grf", "syscon";
reg = <0x0 0xfd58c000 0x0 0x1000>;
@@ -1112,6 +1117,17 @@ qos_vop_m1: qos@fdf82200 {
reg = <0x0 0xfdf82200 0x0 0x20>;
};
+ dfi: dfi@fe060000 {
+ reg = <0x00 0xfe060000 0x00 0x10000>;
+ compatible = "rockchip,rk3588-dfi";
+ interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH 0>;
+ interrupt-names = "ch0", "ch1", "ch2", "ch3";
+ rockchip,pmu = <&pmu1grf>;
+ };
+
gmac1: ethernet@fe1c0000 {
compatible = "rockchip,rk3588-gmac", "snps,dwmac-4.20a";
reg = <0x0 0xfe1c0000 0x0 0x10000>;
--
2.39.2
