From 6bbc68de1ffb4532c1d6c08d8d5f87addccc5ce5 Mon Sep 17 00:00:00 2001
From: Sriharsha Allenki <sallenki@qti.qualcomm.com>
Date: Wed, 22 Sep 2021 15:01:49 +0530
Subject: [PATCH] ARM: dts: msm: Add MHI nodes for waipio endpoint

Add MHI nodes to enumerate a waipio device as a
PCIe endpoint.

Change-Id: I3fd3de4938aa8c43a5e49b94fba2558226b64152
---
 qcom/waipio-mhi.dtsi | 41 +++++++++++++++++++++++++++++++++++++++++
 qcom/waipio.dtsi     |  1 +
 2 files changed, 42 insertions(+)
 create mode 100644 qcom/waipio-mhi.dtsi

diff --git a/qcom/waipio-mhi.dtsi b/qcom/waipio-mhi.dtsi
new file mode 100644
index 00000000..1b10e990
--- /dev/null
+++ b/qcom/waipio-mhi.dtsi
@@ -0,0 +1,41 @@
+&pcie1 {
+	qcom,no-l1ss-supported;
+};
+
+&pcie1_rp {
+	#address-cells = <5>;
+	#size-cells = <0>;
+
+	mhi_0: qcom,mhi@0 {
+		reg = <0 0 0 0 0 >;
+
+		pci-ids = "17cb:0111";
+
+		/* controller specific configuration */
+		qcom,iommu-group = <&mhi_0_iommu_group>;
+
+
+		/* mhi bus specific settings */
+		mhi,max-channels = <2>;
+		mhi,timeout = <2000>;
+		mhi,name = "sxr";
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		interconnects = <&pcie_noc MASTER_PCIE_1 &mc_virt SLAVE_EBI1>;
+		interconnect-names = "pcie_to_ddr";
+
+		qcom,mhi-bus-bw-cfg = <0 0>, /* no vote */
+				<250000 0>, /* avg bw / AB: 2 GBps, peak bw / IB: no vote */
+				<500000 0>, /* avg bw / AB: 4 GBps, peak bw / IB: no vote */
+				<1000000 0>, /* avg bw / AB: 8 GBps, peak bw / IB: no vote */
+				<2000000 0>; /* avg bw / AB: 16 GBps, peak bw / IB: no vote */
+
+		mhi_0_iommu_group: mhi_0_iommu_group {
+			qcom,iommu-dma-addr-pool = <0x20000000 0x1fffffff>;
+			qcom,iommu-dma = "atomic";
+			qcom,iommu-pagetable = "coherent";
+		};
+	};
+};
diff --git a/qcom/waipio.dtsi b/qcom/waipio.dtsi
index 817807ad..4637ca4b 100644
--- a/qcom/waipio.dtsi
+++ b/qcom/waipio.dtsi
@@ -3655,6 +3655,7 @@
 #include "waipio-debug.dtsi"
 #include "waipio-eva.dtsi"
 #include "waipio-pcie.dtsi"
+#include "waipio-mhi.dtsi"
 #include "msm-rdbg.dtsi"
 #include "waipio-gpu.dtsi"
 #include "waipio-thermal.dtsi"