[PATCH v2] arm64: dts: rockchip: change pinctrl for pcie2x1l2 for Radxa ROCK 5A

FUKAUMI Naoki naoki at radxa.com
Mon Sep 30 14:26:46 PDT 2024


for pcie2x1l2, only pcie20x1_2_perstn_m0 is required, and its function
needs to be GPIO to avoid freeze at "pci enum" without PCIe device on
u-boot.

change pinctrl definitions for pcie2x1l2. no functional change is
intended on Linux kernel.

Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
---
Changed in v2:
- reword commit message
---
 arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
index 294b99dd50da..841ac9a30628 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
@@ -310,7 +310,7 @@ rgmii_phy1: ethernet-phy at 1 {
 };
 
 &pcie2x1l2 {
-	pinctrl-0 = <&pcie20x1m0_pins>;
+	pinctrl-0 = <&pcie20x1_2_perstn_m0>;
 	pinctrl-names = "default";
 	reset-gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_HIGH>;
 	vpcie3v3-supply = <&vcc3v3_wf>;
@@ -325,6 +325,10 @@ io_led: io-led {
 	};
 
 	pcie {
+		pcie20x1_2_perstn_m0: pcie20x1-2-perstn-m0 {
+			rockchip,pins = <3 RK_PD1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
 		pow_en: pow-en {
 			rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
-- 
2.43.0




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