Enable the two PCIe controllers found on the Dragonboard845c. Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts index f5a85caff1a3..c314b5d55796 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts @@ -340,6 +340,39 @@ <GCC_QSPI_CNOC_PERIPH_AHB_CLK>; }; +&pcie0 { + status = "okay"; + perst-gpio = <&tlmm 35 GPIO_ACTIVE_LOW>; + enable-gpio = <&tlmm 134 GPIO_ACTIVE_HIGH>; + + vddpe-3v3-supply = <&pcie0_3p3v_dual>; + + pinctrl-names = "default"; + pinctrl-0 = <&pcie0_default_state>; +}; + +&pcie0_phy { + status = "okay"; + + vdda-phy-supply = <&vreg_l1a_0p875>; + vdda-pll-supply = <&vreg_l26a_1p2>; +}; + +&pcie1 { + status = "okay"; + perst-gpio = <&tlmm 102 GPIO_ACTIVE_LOW>; + + pinctrl-names = "default"; + pinctrl-0 = <&pcie1_default_state>; +}; + +&pcie1_phy { + status = "okay"; + + vdda-phy-supply = <&vreg_l1a_0p875>; + vdda-pll-supply = <&vreg_l26a_1p2>; +}; + &pm8998_gpio { vol_up_pin_a: vol-up-active { pins = "gpio6"; @@ -382,6 +415,31 @@ }; &tlmm { + pcie0_default_state: pcie0-default { + clkreq { + pins = "gpio36"; + function = "pci_e0"; + bias-pull-up; + }; + + reset-n { + pins = "gpio35"; + function = "gpio"; + + drive-strength = <2>; + output-low; + bias-pull-down; + }; + + wake-n { + pins = "gpio37"; + function = "gpio"; + + drive-strength = <2>; + bias-pull-up; + }; + }; + pcie0_pwren_state: pcie0-pwren { pins = "gpio90"; function = "gpio"; @@ -390,6 +448,39 @@ bias-disable; }; + pcie1_default_state: pcie1-default { + perst-n { + pins = "gpio102"; + function = "gpio"; + + drive-strength = <16>; + bias-disable; + }; + + clkreq { + pins = "gpio103"; + function = "pci_e1"; + bias-pull-up; + }; + + wake-n { + pins = "gpio11"; + function = "gpio"; + + drive-strength = <2>; + bias-pull-up; + }; + + reset-n { + pins = "gpio75"; + function = "gpio"; + + drive-strength = <16>; + bias-pull-up; + output-high; + }; + }; + sdc2_default_state: sdc2-default { clk { pins = "sdc2_clk"; -- 2.23.0