The "mhi" region contains the debug registers that could be used to monitor the PCIe link transitions. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> --- 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@1c00000 { 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@1c08000 { 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