Enable PCIe controller and PHY for sc7280 IDP board. Add specific NVMe GPIO entries for SKU1 and SKU2 support. Signed-off-by: Prasad Malisetty <pmaliset@xxxxxxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sc7280-idp.dts | 9 ++++++ arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 54 ++++++++++++++++++++++++++++++++ arch/arm64/boot/dts/qcom/sc7280-idp2.dts | 9 ++++++ 3 files changed, 72 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts index 64fc22a..1562386 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts @@ -61,6 +61,15 @@ modem-init; }; +&nvme_pwren_pin { + pins = "gpio19"; +}; + +&nvme_3v3_regulators { + gpio = <&tlmm 19 GPIO_ACTIVE_HIGH>; + enable-active-high; +}; + &pmk8350_vadc { pmr735a_die_temp { reg = <PMR735A_ADC7_DIE_TEMP>; diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi index def22ff..5b5505f 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi @@ -31,6 +31,17 @@ linux,can-disable; }; }; + + nvme_3v3_regulators: nvme-3v3-regulators { + compatible = "regulator-fixed"; + regulator-name = "VLDO_3V3"; + + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + pinctrl-names = "default"; + pinctrl-0 = <&nvme_pwren_pin>; + }; }; &apps_rsc { @@ -220,6 +231,42 @@ modem-init; }; +&pcie1 { + status = "okay"; + perst-gpio = <&tlmm 2 GPIO_ACTIVE_LOW>; + + vddpe-3v3-supply = <&nvme_3v3_regulators>; + + pinctrl-names = "default"; + pinctrl-0 = <&pcie1_default_state>; +}; + +&pcie1_phy { + status = "okay"; + + vdda-phy-supply = <&vreg_l10c_0p8>; + vdda-pll-supply = <&vreg_l6b_1p2>; +}; + +&pcie1_default_state { + reset-n { + pins = "gpio2"; + function = "gpio"; + + drive-strength = <16>; + output-low; + bias-disable; + }; + + wake-n { + pins = "gpio3"; + function = "gpio"; + + drive-strength = <2>; + bias-pull-up; + }; +}; + &pmk8350_vadc { pmk8350_die_temp { reg = <PMK8350_ADC7_DIE_TEMP>; @@ -489,3 +536,10 @@ bias-pull-up; }; }; + +&tlmm { + nvme_pwren_pin: nvme-pwren-pin { + function = "gpio"; + bias-pull-up; + }; +}; diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts index 1fc2add..0548cb6 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts +++ b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts @@ -21,3 +21,12 @@ stdout-path = "serial0:115200n8"; }; }; + +&nvme_pwren_pin { + pins = "gpio51"; +}; + +&nvme_3v3_regulators { + gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>; + enable-active-high; +}; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project