[PATCH v4 6/7] riscv: dts: spacemit: add a PCIe regulator

Alex Elder
2025-10-30T22:03:15Z

Define a 3.3v fixed voltage regulator to be used by PCIe on the
Banana Pi BPI-F3. On this platform, this regulator is always on.

Signed-off-by: Alex Elder <elder@riscstar.com>
---
arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 33ca816bfd4b3..a269c2cca3ac9 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -33,6 +33,14 @@ led1 {
};
};

+ pcie_vcc_3v3: pcie-vcc3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "PCIE_VCC3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
reg_dc_in: dc-in-12v {
compatible = "regulator-fixed";
regulator-name = "dc_in_12v";
--
2.48.1