[PATCH v2 1/3] arm64: dts: rockchip: Introduce the reference PCIe clk generator for BPI-R2-Pro

From: David Heidelberg via B4 Relay

Date: Tue Mar 03 2026 - 10:47:44 EST


From: David Heidelberg <david@xxxxxxx>

This clocks provides for both PCIe lanes. In following commit will be
utilized by PCIe clock.

Most likely PI6CG33602C or some variant of it.

Suggested-by: Heiko Stuebner <heiko@xxxxxxxxx>
Tested-by: Martin Filla <freebsd@xxxxxxxxx>
Signed-off-by: David Heidelberg <david@xxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 4d3ebe50b90ba..d02b82c5f979a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -114,6 +114,12 @@ pcie30_avdd1v8: regulator-pcie30-avdd1v8 {
};

/* pi6c pcie clock generator feeds both ports */
+ pcie_refclk_gen: pcie-refclk-gen-clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ };
+
vcc3v3_pi6c_05: regulator-vcc3v3-pi6c-05 {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_pcie";

--
2.53.0