[PATCH 7/7] arm64: dts: rockchip: RK3588s: Enable PCIE2.0x1 @fe190000

From: Lucas Tanure
Date: Fri Mar 10 2023 - 03:06:05 EST


Enable PCIE2.0x1 @fe190000 for RTL8125 network controller in
Rock 5B board.

This is based on prior work from XiaoDong Huang and
Peter Geis fixing this issue specifically for Rockchip 356x.

Signed-off-by: Lucas Tanure <lucas.tanure@xxxxxxxxxxxxx>
---
.../arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index df8b135cf223..c4ae20ad2fd7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -36,6 +36,15 @@ vcc_1v1_nldo_s3: vcc-1v1-nldo-s3 {
regulator-max-microvolt = <1100000>;
vin-supply = <&vcc5v0_sys>;
};
+
+ vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_pcie2x1l2";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ startup-delay-us = <5000>;
+ vin-supply = <&vcc_3v3_s3>;
+ };
};

&sdhci {
@@ -70,3 +79,12 @@ &sdmmc {
status = "okay";
};

+&combphy0_ps {
+ status = "okay";
+};
+
+&pcie2x1l2 {
+ reset-gpios = <&gpio3 RK_PB0 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc3v3_pcie2x1l2>;
+ status = "okay";
+};
--
2.39.2