[PATCH v2 2/2] arm64: dts: rockchip: Add PCIe clkreq stuff for RK3588 EVB1
Shawn Lin
shawn.lin at rock-chips.com
Wed Oct 22 04:35:54 PDT 2025
Add supports-clkreq and pinmux for PCIe ASPM L1 substates.
Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
---
Changes in v2: None
arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
index ff1ba5e..c9d284c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
@@ -522,6 +522,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pcie2_0_rst>, <&pcie2_0_wake>, <&pcie2_0_clkreq>, <&wifi_host_wake_irq>;
reset-gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>;
+ supports-clkreq;
vpcie3v3-supply = <&vcc3v3_wlan>;
status = "okay";
@@ -545,7 +546,8 @@
&pcie2x1l1 {
reset-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
- pinctrl-0 = <&pcie2_1_rst>, <&rtl8111_isolate>;
+ pinctrl-0 = <&pcie2_1_rst>, <&rtl8111_isolate>, <&pcie30x1m1_1_clkreqn>;
+ supports-clkreq;
status = "okay";
};
@@ -555,7 +557,8 @@
&pcie3x4 {
pinctrl-names = "default";
- pinctrl-0 = <&pcie3_reset>;
+ pinctrl-0 = <&pcie3_reset>, <&pcie30x4m1_clkreqn>;
+ supports-clkreq;
reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
vpcie3v3-supply = <&vcc3v3_pcie30>;
status = "okay";
--
2.7.4
More information about the Linux-rockchip
mailing list