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From:   Tanmay Shah <tanmay.shah@amd.com>
To:     <andersson@kernel.org>, <mathieu.poirier@linaro.org>,
        <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
        <michal.simek@amd.com>
CC:     <bill.mills@linaro.org>, <linux-remoteproc@vger.kernel.org>,
        <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, Tanmay Shah <tanmay.shah@amd.com>
Subject: [PATCH v11 2/6] arm64: dts: xilinx: zynqmp: Add RPU subsystem device node
Date:   Mon, 14 Nov 2022 15:39:36 -0800
Message-ID: <20221114233940.2096237-3-tanmay.shah@amd.com>
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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@amd.com>
---

Changes in v11:
  - None

Changes in v10:
  - Rename node name to remoteproc

Changes in v9:
  - remove unused labels

Changes in v8:
  - None

Changes in v7:
  - None

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 a549265e55f6..c0f60833c0ae 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;
 	};
 
+	remoteproc {
+		compatible = "xlnx,zynqmp-r5fss";
+		xlnx,cluster-mode = <1>;
+
+		r5f-0 {
+			compatible = "xlnx,zynqmp-r5f";
+			power-domains = <&zynqmp_firmware PD_RPU_0>;
+			memory-region = <&rproc_0_fw_image>;
+		};
+
+		r5f-1 {
+			compatible = "xlnx,zynqmp-r5f";
+			power-domains = <&zynqmp_firmware PD_RPU_1>;
+			memory-region = <&rproc_1_fw_image>;
+		};
+	};
+
 	amba: axi {
 		compatible = "simple-bus";
 		#address-cells = <2>;
-- 
2.25.1