linux-kernel - [PATCH v2] arm64: dts: qcom: x1e80100: Fix PCIe 6a reg offsets and add MHI

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Date: Tue, 04 Jun 2024 18:20:24 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Rajendra Nayak <quic_rjendra@...cinc.com>, 
 Sibi Sankar <quic_sibis@...cinc.com>
Cc: Johan Hovold <johan@...nel.org>, linux-arm-msm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH v2] arm64: dts: qcom: x1e80100: Fix PCIe 6a reg offsets and
 add MHI

The actual size of the DBI region is 0xf20 and the start of the
ELBI region is 0xf40, according to the documentation. So fix them.
While at it, add the MHI region as well.

Fixes: 5eb83fc10289 ("arm64: dts: qcom: x1e80100: Add PCIe nodes")
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
Changes in v2:
- Dropped the 4-lane mode switch patch entire.
- Fetched Konrad's R-b tag
- Link to v1: https://lore.kernel.org/r/20240531-x1e80100-dts-fixes-pcie6a-v1-0-1573ebcae1e8@linaro.org
---
 arch/arm64/boot/dts/qcom/x1e80100.dtsi | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index cf8d8d5b1870..fe7ca2a73f9d 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -2818,15 +2818,17 @@ pcie6a: pci@...8000 {
 			device_type = "pci";
 			compatible = "qcom,pcie-x1e80100";
 			reg = <0 0x01bf8000 0 0x3000>,
-			      <0 0x70000000 0 0xf1d>,
-			      <0 0x70000f20 0 0xa8>,
+			      <0 0x70000000 0 0xf20>,
+			      <0 0x70000f40 0 0xa8>,
 			      <0 0x70001000 0 0x1000>,
-			      <0 0x70100000 0 0x100000>;
+			      <0 0x70100000 0 0x100000>,
+			      <0 0x01bfb000 0 0x1000>;
 			reg-names = "parf",
 				    "dbi",
 				    "elbi",
 				    "atu",
-				    "config";
+				    "config",
+				    "mhi";
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0 0x00000000 0 0x70200000 0 0x100000>,

---
base-commit: d97496ca23a2d4ee80b7302849404859d9058bcd
change-id: 20240531-x1e80100-dts-fixes-pcie6a-0cf5b75a818e

Best regards,
-- 
Abel Vesa <abel.vesa@...aro.org>