Enable PCIe2_0 controller and its voltage supply, which is routed
to the M.2 E-Key on the upper side of the Radxa Rock 5B.
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
.../boot/dts/rockchip/rk3588-rock-5b.dts | 35 +++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 6e52b5cf49a9..947a5ebe5bb3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -44,6 +44,21 @@ fan: pwm-fan {
#cooling-cells = <2>;
};
+ vcc3v3_pcie2x1l0: vcc3v3-pcie2x1l0-regulator {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie2_0_vcc3v3_en>;
+ regulator-name = "vcc3v3_pcie2x1l0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ startup-delay-us = <50000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_pcie2x1l2";
@@ -104,6 +119,10 @@ &combphy0_ps {
status = "okay";
};
+&combphy1_ps {
+ status = "okay";
+};
+
&cpu_b0 {
cpu-supply = <&vdd_cpu_big0_s0>;
};
@@ -230,6 +249,14 @@ i2s0_8ch_p0_0: endpoint {
};
};
+&pcie2x1l0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie2_0_rst>;
+ reset-gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc3v3_pcie2x1l0>;
+ status = "okay";
+};
+
&pcie2x1l2 {
pinctrl-names = "default";
pinctrl-0 = <&pcie2_2_rst>;
@@ -264,6 +291,14 @@ hp_detect: hp-detect {
};
pcie2 {
+ pcie2_0_rst: pcie2-0-rst {
+ rockchip,pins = <4 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ pcie2_0_vcc3v3_en: pcie2-0-vcc-en {
+ rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
pcie2_2_rst: pcie2-2-rst {
rockchip,pins = <3 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
};
--
2.40.1
