The WCSS remoteproc is typically used by ath11k to load wifi firmware
to the Hexagon q6 procesor. Add the nodes required to bring up this
processor.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
---
 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 101 ++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 86c9cb9fffc9..56e6f1370d6c 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -226,6 +226,37 @@ smem@4aa00000 {
 			hwlocks = <&tcsr_mutex 3>;
 			no-map;
 		};
+
+
+		q6_region: wcnss@4ab00000 {
+			no-map;
+			reg = <0x0 0x4ab00000 0x0 0x02b00000>;
+		};
+	};
+
+	wcss: smp2p-wcss {
+		compatible = "qcom,smp2p";
+		qcom,smem = <435>, <428>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <GIC_SPI 322 IRQ_TYPE_EDGE_RISING>;
+
+		mboxes = <&apcs_glb 9>;
+
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <1>;
+
+		wcss_smp2p_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			qcom,smp2p-feature-ssr-ack;
+			#qcom,smem-state-cells = <1>;
+		};
+
+		wcss_smp2p_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
 	};
 
 	soc: soc@0 {
@@ -903,6 +934,76 @@ frame@b128000 {
 			};
 		};
 
+		q6v5_wcss: remoteproc@cd00000 {
+			compatible = "qcom,ipq9574-wcss-pil";
+			reg = <0x0cd00000 0x4040>,
+			      <0x004ab000 0x20>;
+			reg-names = "qdsp6",
+				    "rmb";
+
+			interrupts-extended = <&intc GIC_SPI 325 IRQ_TYPE_EDGE_RISING>,
+					      <&wcss_smp2p_in 0 IRQ_TYPE_NONE>,
+					      <&wcss_smp2p_in 1 IRQ_TYPE_NONE>,
+					      <&wcss_smp2p_in 2 IRQ_TYPE_NONE>,
+					      <&wcss_smp2p_in 3 IRQ_TYPE_NONE>;
+			interrupt-names = "wdog",
+					  "fatal",
+					  "ready",
+					  "handover",
+					  "stop-ack";
+
+			resets = <&gcc GCC_WCSSAON_RESET>,
+				 <&gcc GCC_WCSS_BCR>,
+				 <&gcc GCC_WCSS_Q6_BCR>;
+			reset-names = "wcss_aon_reset",
+				      "wcss_reset",
+				      "wcss_q6_reset";
+
+			clocks = <&gcc GCC_ANOC_WCSS_AXI_M_CLK>,
+				 <&gcc GCC_Q6_AHB_CLK>,
+				 <&gcc GCC_Q6_AHB_S_CLK>,
+				 <&gcc GCC_Q6_AXIM_CLK>,
+				 <&gcc GCC_Q6SS_BOOT_CLK>,
+				 <&gcc GCC_MEM_NOC_Q6_AXI_CLK>,
+				 <&gcc GCC_SYS_NOC_WCSS_AHB_CLK>,
+				 <&gcc GCC_WCSS_ACMT_CLK>,
+				 <&gcc GCC_WCSS_ECAHB_CLK>,
+				 <&gcc GCC_WCSS_Q6_TBU_CLK>,
+				 <&gcc GCC_WCSS_AHB_S_CLK>,
+				 <&gcc GCC_Q6_AXIM2_CLK>,
+				 <&gcc GCC_WCSS_AXI_M_CLK>;
+
+			clock-names = "anoc_wcss_axi_m",
+				      "q6_ahb",
+				      "q6_ahb_s",
+				      "q6_axim",
+				      "q6ss_boot",
+				      "mem_noc_q6_axi",
+				      "sys_noc_wcss_ahb",
+				      "wcss_acmt",
+				      "wcss_ecahb",
+				      "wcss_q6_tbu",
+				      "q6_axim2",
+				      "wcss_ahb_s",
+				      "wcss_axi_m";
+
+			qcom,halt-regs = <&tcsr 0x18000 0x1b000 0xe000>;
+
+			qcom,smem-states = <&wcss_smp2p_out 0>,
+					   <&wcss_smp2p_out 1>;
+			qcom,smem-state-names = "shutdown",
+						"stop";
+
+			memory-region = <&q6_region>;
+
+			glink-edge {
+				interrupts = <GIC_SPI 321 IRQ_TYPE_EDGE_RISING>;
+				label = "rtr";
+				qcom,remote-pid = <1>;
+				mboxes = <&apcs_glb 8>;
+			};
+		};
+
 		pcie1: pcie@10000000 {
 			compatible = "qcom,pcie-ipq9574";
 			reg = <0x10000000 0xf1d>,
-- 
2.45.1