From 6a1ec5eca73c0ca8cdefd13426bf812c65a1e510 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 10 Nov 2022 11:35:53 +0100 Subject: [PATCH] arm64: dts: qcom: sc8280xp-crd: enable NVMe SSD Enable the NVMe SSD connected to PCIe2. Signed-off-by: Johan Hovold Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20221110103558.12690-5-johan+linaro@kernel.org --- arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 63 +++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts index 0801bd8..fd2bdfd 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts @@ -50,6 +50,20 @@ regulator-boot-on; }; + vreg_nvme: regulator-nvme { + compatible = "regulator-fixed"; + + regulator-name = "VCC3_SSD"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&tlmm 135 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&nvme_reg_en>; + }; + vreg_misc_3p3: regulator-misc-3p3 { compatible = "regulator-fixed"; @@ -178,6 +192,25 @@ }; }; +&pcie2a { + perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>; + wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>; + + vddpe-3v3-supply = <&vreg_nvme>; + + pinctrl-names = "default"; + pinctrl-0 = <&pcie2a_default>; + + status = "okay"; +}; + +&pcie2a_phy { + vdda-phy-supply = <&vreg_l6d>; + vdda-pll-supply = <&vreg_l4d>; + + status = "okay"; +}; + &pmc8280c_lpg { status = "okay"; }; @@ -393,6 +426,36 @@ }; }; + nvme_reg_en: nvme-reg-en-state { + pins = "gpio135"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + + pcie2a_default: pcie2a-default-state { + clkreq-n-pins { + pins = "gpio142"; + function = "pcie2a_clkreq"; + drive-strength = <2>; + bias-pull-up; + }; + + perst-n-pins { + pins = "gpio143"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + wake-n-pins { + pins = "gpio145"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; + qup0_i2c4_default: qup0-i2c4-default-state { pins = "gpio171", "gpio172"; function = "qup4"; -- 2.7.4