linux-kernel - [PATCH 18/19] arm64: dts: qcom: sc8280xp: Add "mhi" region to the PCIe nodes

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Date:   Mon,  6 Mar 2023 21:02:21 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     andersson@...nel.org, lpieralisi@...nel.org, kw@...ux.com,
        krzysztof.kozlowski+dt@...aro.org, robh@...nel.org
Cc:     konrad.dybcio@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_srichara@...cinc.com,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 18/19] arm64: dts: qcom: sc8280xp: Add "mhi" region to the PCIe nodes

The "mhi" region contains the debug registers that could be used to monitor
the PCIe link transitions.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 0d02599d8867..5c7f40345992 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -1650,11 +1650,12 @@ pcie4: pcie@...0000 {
 			device_type = "pci";
 			compatible = "qcom,pcie-sc8280xp";
 			reg = <0x0 0x01c00000 0x0 0x3000>,
+			      <0x0 0x01c03000 0x0 0x1000>,
 			      <0x0 0x30000000 0x0 0xf1d>,
 			      <0x0 0x30000f20 0x0 0xa8>,
 			      <0x0 0x30001000 0x0 0x1000>,
 			      <0x0 0x30100000 0x0 0x100000>;
-			reg-names = "parf", "dbi", "elbi", "atu", "config";
+			reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config";
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0x0 0x30200000 0x0 0x30200000 0x0 0x100000>,
@@ -1749,11 +1750,12 @@ pcie3b: pcie@...8000 {
 			device_type = "pci";
 			compatible = "qcom,pcie-sc8280xp";
 			reg = <0x0 0x01c08000 0x0 0x3000>,
+			      <0x0 0x01c0b000 0x0 0x1000>,
 			      <0x0 0x32000000 0x0 0xf1d>,
 			      <0x0 0x32000f20 0x0 0xa8>,
 			      <0x0 0x32001000 0x0 0x1000>,
 			      <0x0 0x32100000 0x0 0x100000>;
-			reg-names = "parf", "dbi", "elbi", "atu", "config";
+			reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config";
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0x0 0x32200000 0x0 0x32200000 0x0 0x100000>,
@@ -1846,11 +1848,12 @@ pcie3a: pcie@...0000 {
 			device_type = "pci";
 			compatible = "qcom,pcie-sc8280xp";
 			reg = <0x0 0x01c10000 0x0 0x3000>,
+			      <0x0 0x01c13000 0x0 0x1000>,
 			      <0x0 0x34000000 0x0 0xf1d>,
 			      <0x0 0x34000f20 0x0 0xa8>,
 			      <0x0 0x34001000 0x0 0x1000>,
 			      <0x0 0x34100000 0x0 0x100000>;
-			reg-names = "parf", "dbi", "elbi", "atu", "config";
+			reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config";
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0x0 0x34200000 0x0 0x34200000 0x0 0x100000>,
@@ -1946,11 +1949,12 @@ pcie2b: pcie@...8000 {
 			device_type = "pci";
 			compatible = "qcom,pcie-sc8280xp";
 			reg = <0x0 0x01c18000 0x0 0x3000>,
+			      <0x0 0x01c1b000 0x0 0x1000>,
 			      <0x0 0x38000000 0x0 0xf1d>,
 			      <0x0 0x38000f20 0x0 0xa8>,
 			      <0x0 0x38001000 0x0 0x1000>,
 			      <0x0 0x38100000 0x0 0x100000>;
-			reg-names = "parf", "dbi", "elbi", "atu", "config";
+			reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config";
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0x0 0x38200000 0x0 0x38200000 0x0 0x100000>,
@@ -2043,11 +2047,12 @@ pcie2a: pcie@...0000 {
 			device_type = "pci";
 			compatible = "qcom,pcie-sc8280xp";
 			reg = <0x0 0x01c20000 0x0 0x3000>,
+			      <0x0 0x01c23000 0x0 0x1000>,
 			      <0x0 0x3c000000 0x0 0xf1d>,
 			      <0x0 0x3c000f20 0x0 0xa8>,
 			      <0x0 0x3c001000 0x0 0x1000>,
 			      <0x0 0x3c100000 0x0 0x100000>;
-			reg-names = "parf", "dbi", "elbi", "atu", "config";
+			reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config";
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0x0 0x3c200000 0x0 0x3c200000 0x0 0x100000>,
-- 
2.25.1