Enable the NVMe SSD connected to PCIe2.
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
.../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
index 4424d5b2c578..8fce60b0d16c 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -124,6 +124,22 @@ vreg_misc_3p3: regulator-misc-3p3 {
regulator-boot-on;
regulator-always-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>;
+
+ regulator-boot-on;
+ };
};
&apps_rsc {
@@ -211,6 +227,13 @@ vreg_l4d: ldo4 {
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
+ vreg_l6d: ldo6 {
+ regulator-name = "vreg_l6d";
+ regulator-min-microvolt = <880000>;
+ regulator-max-microvolt = <880000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
vreg_l7d: ldo7 {
regulator-name = "vreg_l7d";
regulator-min-microvolt = <3072000>;
@@ -227,6 +250,25 @@ vreg_l9d: ldo9 {
};
};
+&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";
};
@@ -592,6 +634,36 @@ hall_int_state: hall-int-state {
bias-disable;
};
+ 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";
--
2.37.4
