linux-kernel - [PATCH v4 3/3] arm64: dts: Enabled MHI device over PCIe

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Date:   Fri,  9 Oct 2020 13:47:04 +0530
From:   Gokul Sriram Palanisamy <gokulsri@...eaurora.org>
To:     sboyd@...nel.org, agross@...nel.org, bjorn.andersson@...aro.org,
        manivannan.sadhasivam@...aro.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org
Cc:     sricharan@...eaurora.org, gokulsri@...eaurora.org
Subject: [PATCH v4 3/3] arm64: dts: Enabled MHI device over PCIe

Enabled MHI device support over PCIe and added memory
reservation required for MHI enabled QCN9000 PCIe card.

Signed-off-by: Gokul Sriram Palanisamy <gokulsri@...eaurora.org>
Reported-by: kbuild test robot <lkp@...el.com>
---
 arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi | 46 ++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi b/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi
index 0827055..1bbce2d 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi
@@ -24,6 +24,22 @@
 		device_type = "memory";
 		reg = <0x0 0x40000000 0x0 0x20000000>;
 	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		qcn9000_pcie0: memory@...00000 {
+			no-map;
+			reg = <0x0 0x50f00000 0x0 0x03700000>;
+		};
+
+		qcn9000_pcie1: memory@...00000 {
+			no-map;
+			reg = <0x0 0x54600000 0x0 0x03700000>;
+		};
+	};
 };
 
 &blsp1_spi1 {
@@ -45,11 +61,41 @@
 &pcie0 {
 	status = "ok";
 	perst-gpio = <&tlmm 58 0x1>;
+
+	pcie0_rp: pcie0_rp {
+		reg = <0 0 0 0 0>;
+
+		status = "ok";
+		mhi_0: qcom,mhi@0 {
+			reg = <0 0 0 0 0 >;
+
+			qrtr_instance_id = <0x20>;
+			base-addr = <0x50f00000>;
+			m3-dump-addr = <0x53c00000>;
+			etr-addr = <0x53d00000>;
+			qcom,caldb-addr = <0x53e00000>;
+		};
+	};
 };
 
 &pcie1 {
 	status = "ok";
 	perst-gpio = <&tlmm 61 0x1>;
+
+	pcie1_rp: pcie1_rp {
+		reg = <0 0 0 0 0>;
+
+		status = "ok";
+		mhi_1: qcom,mhi@1 {
+			reg = <0 0 0 0 0 >;
+
+			qrtr_instance_id = <0x21>;
+			base-addr = <0x54600000>;
+			m3-dump-addr = <0x57300000>;
+			etr-addr = <0x57400000>;
+			qcom,caldb-addr = <0x57500000>;
+		};
+	};
 };
 
 &qmp_pcie_phy0 {
-- 
2.7.4