The Radxa Rock 5B has PCIe 3x4 routed to its M.2 M-key connector
on the board's back.
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 0752b0fb4b54..6e52b5cf49a9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -53,6 +53,19 @@ vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2-regulator {
vin-supply = <&vcc_3v3_s3>;
};
+ vcc3v3_pcie30: vcc3v3-pcie30-regulator {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie3_vcc3v3_en>;
+ regulator-name = "vcc3v3_pcie30";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ startup-delay-us = <5000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
vcc5v0_host: vcc5v0-host-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_host";
@@ -225,6 +238,18 @@ &pcie2x1l2 {
status = "okay";
};
+&pcie30phy {
+ status = "okay";
+};
+
+&pcie3x4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie3_rst>;
+ reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc3v3_pcie30>;
+ status = "okay";
+};
+
&pinctrl {
hym8563 {
hym8563_int: hym8563-int {
@@ -244,6 +269,16 @@ pcie2_2_rst: pcie2-2-rst {
};
};
+ pcie3 {
+ pcie3_rst: pcie3-rst {
+ rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ pcie3_vcc3v3_en: pcie3-vcc3v3-en {
+ rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
usb {
vcc5v0_host_en: vcc5v0-host-en {
rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
--
2.40.1
