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/sm8250.dtsi | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index 2f0e460acccd..1987ec97546a 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -1821,11 +1821,12 @@ mmss_noc: interconnect@1740000 { pcie0: pci@1c00000 { compatible = "qcom,pcie-sm8250"; reg = <0 0x01c00000 0 0x3000>, + <0 0x01c03000 0 0x1000>, <0 0x60000000 0 0xf1d>, <0 0x60000f20 0 0xa8>, <0 0x60001000 0 0x1000>, <0 0x60100000 0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config"; device_type = "pci"; linux,pci-domain = <0>; bus-range = <0x00 0xff>; @@ -1930,11 +1931,12 @@ pcie0_lane: phy@1c06200 { pcie1: pci@1c08000 { compatible = "qcom,pcie-sm8250"; reg = <0 0x01c08000 0 0x3000>, + <0 0x01c0b000 0 0x1000>, <0 0x40000000 0 0xf1d>, <0 0x40000f20 0 0xa8>, <0 0x40001000 0 0x1000>, <0 0x40100000 0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config"; device_type = "pci"; linux,pci-domain = <1>; bus-range = <0x00 0xff>; @@ -2038,11 +2040,12 @@ pcie1_lane: phy@1c0e200 { pcie2: pci@1c10000 { compatible = "qcom,pcie-sm8250"; reg = <0 0x01c10000 0 0x3000>, + <0 0x01c13000 0 0x1000>, <0 0x64000000 0 0xf1d>, <0 0x64000f20 0 0xa8>, <0 0x64001000 0 0x1000>, <0 0x64100000 0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + reg-names = "parf", "mhi", "dbi", "elbi", "atu", "config"; device_type = "pci"; linux,pci-domain = <2>; bus-range = <0x00 0xff>; -- 2.25.1