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/sc8280xp.dtsi | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index 0d02599d8867..eb87c3e5d2bc 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -1653,8 +1653,9 @@ pcie4: pcie@1c00000 { <0x0 0x30000000 0x0 0xf1d>, <0x0 0x30000f20 0x0 0xa8>, <0x0 0x30001000 0x0 0x1000>, - <0x0 0x30100000 0x0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + <0x0 0x30100000 0x0 0x100000>, + <0x0 0x01c03000 0x0 0x1000>; + reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi"; #address-cells = <3>; #size-cells = <2>; ranges = <0x01000000 0x0 0x30200000 0x0 0x30200000 0x0 0x100000>, @@ -1752,8 +1753,9 @@ pcie3b: pcie@1c08000 { <0x0 0x32000000 0x0 0xf1d>, <0x0 0x32000f20 0x0 0xa8>, <0x0 0x32001000 0x0 0x1000>, - <0x0 0x32100000 0x0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + <0x0 0x32100000 0x0 0x100000>, + <0x0 0x01c0b000 0x0 0x1000>; + reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi"; #address-cells = <3>; #size-cells = <2>; ranges = <0x01000000 0x0 0x32200000 0x0 0x32200000 0x0 0x100000>, @@ -1849,8 +1851,9 @@ pcie3a: pcie@1c10000 { <0x0 0x34000000 0x0 0xf1d>, <0x0 0x34000f20 0x0 0xa8>, <0x0 0x34001000 0x0 0x1000>, - <0x0 0x34100000 0x0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + <0x0 0x34100000 0x0 0x100000>, + <0x0 0x01c13000 0x0 0x1000>; + reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi"; #address-cells = <3>; #size-cells = <2>; ranges = <0x01000000 0x0 0x34200000 0x0 0x34200000 0x0 0x100000>, @@ -1949,8 +1952,9 @@ pcie2b: pcie@1c18000 { <0x0 0x38000000 0x0 0xf1d>, <0x0 0x38000f20 0x0 0xa8>, <0x0 0x38001000 0x0 0x1000>, - <0x0 0x38100000 0x0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + <0x0 0x38100000 0x0 0x100000>, + <0x0 0x01c1b000 0x0 0x1000>; + reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi"; #address-cells = <3>; #size-cells = <2>; ranges = <0x01000000 0x0 0x38200000 0x0 0x38200000 0x0 0x100000>, @@ -2046,8 +2050,9 @@ pcie2a: pcie@1c20000 { <0x0 0x3c000000 0x0 0xf1d>, <0x0 0x3c000f20 0x0 0xa8>, <0x0 0x3c001000 0x0 0x1000>, - <0x0 0x3c100000 0x0 0x100000>; - reg-names = "parf", "dbi", "elbi", "atu", "config"; + <0x0 0x3c100000 0x0 0x100000>, + <0x0 0x01c23000 0x0 0x1000>; + reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi"; #address-cells = <3>; #size-cells = <2>; ranges = <0x01000000 0x0 0x3c200000 0x0 0x3c200000 0x0 0x100000>, -- 2.25.1