linux-kernel - [PATCH v4 15/18] arm64: dts: qcom: sdm845: Add "mhi" region to the PCIe nodes

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Date:   Wed, 15 Mar 2023 12:12:52 +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 v4 15/18] arm64: dts: qcom: sdm845: 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/sdm845.dtsi | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 479859bd8ab3..46caac9acc95 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -2282,8 +2282,9 @@ pcie0: pci@...0000 {
 			reg = <0 0x01c00000 0 0x2000>,
 			      <0 0x60000000 0 0xf1d>,
 			      <0 0x60000f20 0 0xa8>,
-			      <0 0x60100000 0 0x100000>;
-			reg-names = "parf", "dbi", "elbi", "config";
+			      <0 0x60100000 0 0x100000>,
+			      <0 0x01c07000 0 0x1000>;
+			reg-names = "parf", "dbi", "elbi", "config", "mhi";
 			device_type = "pci";
 			linux,pci-domain = <0>;
 			bus-range = <0x00 0xff>;
@@ -2387,8 +2388,9 @@ pcie1: pci@...8000 {
 			reg = <0 0x01c08000 0 0x2000>,
 			      <0 0x40000000 0 0xf1d>,
 			      <0 0x40000f20 0 0xa8>,
-			      <0 0x40100000 0 0x100000>;
-			reg-names = "parf", "dbi", "elbi", "config";
+			      <0 0x40100000 0 0x100000>,
+			      <0 0x01c0c000 0 0x1000>;
+			reg-names = "parf", "dbi", "elbi", "config", "mhi";
 			device_type = "pci";
 			linux,pci-domain = <1>;
 			bus-range = <0x00 0xff>;
-- 
2.25.1