Enable two PCIe hosts support on Qualcomm SDM845 MTP board.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 81 +++++++++++++++++++++++++
1 file changed, 81 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
index aec3f358d426..9fb41d2453c8 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
@@ -533,6 +533,36 @@ &mss_pil {
firmware-name = "qcom/sdm845/mba.mbn", "qcom/sdm845/modem.mbn";
};
+&pcie0 {
+ status = "okay";
+ perst-gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
+
+ 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-gpios = <&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_adc {
channel@4c {
reg = <ADC5_XO_THERM_100K_PU>;
@@ -630,6 +660,57 @@ &sdhc_2 {
cd-gpios = <&tlmm 126 GPIO_ACTIVE_LOW>;
};
+&tlmm {
+ pcie0_default_state: pcie0-default-state {
+ clkreq-pins {
+ pins = "gpio36";
+ function = "pci_e0";
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio35";
+ function = "gpio";
+
+ drive-strength = <2>;
+ output-low;
+ bias-pull-down;
+ };
+
+ wake-n-pins {
+ pins = "gpio37";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ pcie1_default_state: pcie1-default-state {
+ clkreq-pins {
+ pins = "gpio103";
+ function = "pci_e1";
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio102";
+ function = "gpio";
+
+ drive-strength = <16>;
+ bias-disable;
+ };
+
+ wake-n-pins {
+ pins = "gpio104";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+};
+
&uart9 {
status = "okay";
};
--
2.39.2
