[PATCH v2 4/4] arm64: dts: rockchip: Make Jaguar PCIe-refclk pin use pull-up config

Heiko Stuebner
2026-02-10T08:03:16Z

From: Heiko Stuebner <heiko.stuebner@cherry.de>

Different to RK3588-Tiger, on RK3588-Jaguar the signal enabling the
PCIe-refclk generator controls a transistor which in turn controls the
output-enable input of the PI6C557 and there's no external Pull-Up or
Pull-Down between the SoC and the transistor gate.

On Tiger the pin is directly connected to the PDn input which has an
internal pull up.

So match that behaviour on Jaguar by changing the pin config to enable
the SoC's pull-up config.

Suggested-by: Quentin Schulz <quentin.schulz@cherry.de>
Fixes: 0ec7e1096332 ("arm64: dts: rockchip: add PCIe3 support on rk3588-jaguar")
Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
---
arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts b/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts
index e21ad7575cb6..5f5d89a33a4a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts
@@ -579,7 +579,7 @@ led1_pin: led1-pin {

pcie30x4 {
pcie30x4_clkreqn_m0: pcie30x4-clkreqn-m0 {
- rockchip,pins = <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
+ rockchip,pins = <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
};

pcie30x4_perstn_m0: pcie30x4-perstn-m0 {
--
2.47.2