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riscv: dts: spacemit: enable PCIe ports on Milk-V Jupiter

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Enable the two PCIe controller along with and their associated PHY. They
are routed to the M.2 M-key connector and to the PCIe x8 slot.

Add an always-on regulator sourcing 3.3V from the DC-IN input, to power
the PCIe ports.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://lore.kernel.org/r/20260326183745.1370642-7-aurelien@aurel32.net
Signed-off-by: Yixun Lan <dlan@kernel.org>
This commit is contained in:
Aurelien Jarno 2026-03-26 19:35:34 +01:00 committed by Yixun Lan
parent dce01d8585
commit 2b8bd26bbf
1 changed files with 42 additions and 0 deletions
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42
arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
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@ -40,6 +40,16 @@ led2 {
};
};
pcie_vcc_3v3: regulator-pcie-vcc3v3 {
compatible = "regulator-fixed";
regulator-name = "pcie_vcc3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
vin-supply = <&reg_dc_in>;
};
reg_dc_in: regulator-dc-in-12v {
compatible = "regulator-fixed";
regulator-name = "dc_in_12v";
@ -291,6 +301,38 @@ dldo7 {
};
};
&pcie1_phy {
pinctrl-names = "default";
pinctrl-0 = <&pcie1_3_cfg>;
status = "okay";
};
&pcie1_port {
phys = <&pcie1_phy>;
vpcie3v3-supply = <&pcie_vcc_3v3>;
};
&pcie1 {
vpcie3v3-supply = <&pcie_vcc_3v3>;
status = "okay";
};
&pcie2_phy {
pinctrl-names = "default";
pinctrl-0 = <&pcie2_4_cfg>;
status = "okay";
};
&pcie2_port {
phys = <&pcie2_phy>;
vpcie3v3-supply = <&pcie_vcc_3v3>;
};
&pcie2 {
vpcie3v3-supply = <&pcie_vcc_3v3>;
status = "okay";
};
&qspi {
pinctrl-names = "default";
pinctrl-0 = <&qspi_cfg>;