[PATCH v2 6/6] riscv: dts: spacemit: enable PCIe ports on Milk-V Jupiter

[Aurelien Jarno]

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 at aurel32.net>
Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>
---
 .../boot/dts/spacemit/k1-milkv-jupiter.dts    | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

v2:
 - Collect Reviewed-by:
 - Fix a typo in the description

diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
index 8eeaf2631b719..afaad59e6bce2 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -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>;
-- 
2.51.0