arm64: dts: rockchip: add GIC ITS support to rk3588

Add the two Interrupt Translation Service (ITS) IPs that are part of the
GIC-600. They are mainly required for PCIe Message Signalled Interrupts
(MSI).

Co-developed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230418142109.49762-3-sebastian.reichel@collabora.com
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 657c019..63fbf66 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
@@ -1300,7 +1300,24 @@
                mbi-alias = <0x0 0xfe610000>;
                mbi-ranges = <424 56>;
                msi-controller;
+               ranges;
+               #address-cells = <2>;
                #interrupt-cells = <4>;
+               #size-cells = <2>;
+
+               its0: msi-controller@fe640000 {
+                       compatible = "arm,gic-v3-its";
+                       reg = <0x0 0xfe640000 0x0 0x20000>;
+                       msi-controller;
+                       #msi-cells = <1>;
+               };
+
+               its1: msi-controller@fe660000 {
+                       compatible = "arm,gic-v3-its";
+                       reg = <0x0 0xfe660000 0x0 0x20000>;
+                       msi-controller;
+                       #msi-cells = <1>;
+               };
 
                ppi-partitions {
                        ppi_partition0: interrupt-partition-0 {