[PATCH v6 2/6] arm64: dts: xilinx: zynqmp: Add RPU subsystem device node

Tanmay Shah
2022-05-31T23:46:27Z

RPU subsystem can be configured in cluster-mode or split mode.
Also each r5 core has separate power domains.

Signed-off-by: Tanmay Shah <tanmay.shah@xilinx.com>
---

Changes in v6:
- None

Changes in v5:
- Remove optional reg property from r5fss node
- Move r5fss node out of axi node

Changes in v4:
- Add reserved memory region node and use it in RPU subsystem node

Changes in v3:
- Fix checkpatch.pl style warning

arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 33 ++++++++++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index c715a18368c2..e8315a4f7f61 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -100,6 +100,22 @@ opp03 {
};
};

+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ rproc_0_fw_image: memory@3ed00000 {
+ no-map;
+ reg = <0x0 0x3ed00000 0x0 0x40000>;
+ };
+
+ rproc_1_fw_image: memory@3ef00000 {
+ no-map;
+ reg = <0x0 0x3ef00000 0x0 0x40000>;
+ };
+ };
+
zynqmp_ipi: zynqmp_ipi {
compatible = "xlnx,zynqmp-ipi-mailbox";
interrupt-parent = <&gic>;
@@ -203,6 +219,23 @@ fpga_full: fpga-full {
ranges;
};

+ r5fss: r5fss {
+ compatible = "xlnx,zynqmp-r5fss";
+ xlnx,cluster-mode = <1>;
+
+ r5f_core0: r5f-0 {
+ compatible = "xlnx,zynqmp-r5f";
+ power-domains = <&zynqmp_firmware PD_RPU_0>;
+ memory-region = <&rproc_0_fw_image>;
+ };
+
+ r5f_core1: r5f-1 {
+ compatible = "xlnx,zynqmp-r5f";
+ power-domains = <&zynqmp_firmware PD_RPU_1>;
+ memory-region = <&rproc_1_fw_image>;
+ };
+ };
+
amba: axi {
compatible = "simple-bus";