arm64: dts: rockchip: Add DFI to rk3588s

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.

Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20231018061714.3553817-27-s.hauer@pengutronix.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
index 61a9a11c3bb0e46640d258f10973937ed83feb0e..2993e1255042100ab791f9e3e442feb3b005372a 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
@@ -443,6 +443,11 @@
                status = "disabled";
        };
 
+       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>;
@@ -1329,6 +1334,17 @@
                };
        };
 
+       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>;