From 2c84ba3b660e93c67a02368b278641571945e9bb Mon Sep 17 00:00:00 2001
From: Sebastian Reichel <sebastian.reichel@collabora.com>
Date: Tue, 25 Jul 2023 18:35:56 +0200
Subject: [PATCH] arm64: dts: rockchip: rk3588-rock5b: add USB-C support
Add support for using the Radxa Rock 5 Model B USB-C port for USB in
OHCI, EHCI or XHCI mode. Displayport AltMode is not yet supported.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---
.../boot/dts/rockchip/rk3588-rock-5b.dts | 119 ++++++++++++++++++
1 file changed, 119 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index e900016af7ec8..d4e494c6d59bb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -4,6 +4,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
+#include <dt-bindings/usb/pd.h>
#include "rk3588.dtsi"
/ {
@@ -58,6 +59,15 @@ fan: pwm-fan {
#cooling-cells = <2>;
};
+ vcc12v_dcin: vcc12v-dcin-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc12v_dcin";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ };
+
vcc3v3_pcie2x1l0: vcc3v3-pcie2x1l0-regulator {
compatible = "regulator-fixed";
enable-active-high;
@@ -116,6 +126,7 @@ vcc5v0_sys: vcc5v0-sys-regulator {
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc12v_dcin>;
};
vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
@@ -221,6 +232,61 @@ regulator-state-mem {
};
};
+&i2c4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c4m1_xfer>;
+ status = "okay";
+
+ usbc0: usb-typec@22 {
+ compatible = "fcs,fusb302";
+ reg = <0x22>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <RK_PB4 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usbc0_int>;
+ vbus-supply = <&vcc12v_dcin>;
+ status = "okay";
+
+ usb_con: connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ data-role = "dual";
+ power-role = "sink";
+ try-power-role = "sink";
+ op-sink-microwatt = <1000000>;
+ sink-pdos =
+ <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>,
+ <PDO_VAR(5000, 20000, 5000)>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ usbc0_hs: endpoint {
+ remote-endpoint = <&usb_host0_xhci_drd_sw>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ usbc0_ss: endpoint {
+ remote-endpoint = <&usbdp_phy0_typec_ss>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+ usbc0_sbu: endpoint {
+ remote-endpoint = <&usbdp_phy0_typec_sbu>;
+ };
+ };
+ };
+ };
+ };
+};
+
&i2c6 {
status = "okay";
@@ -350,6 +416,10 @@ usb {
vcc5v0_host_en: vcc5v0-host-en {
rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
};
+
+ usbc0_int: usbc0-int {
+ rockchip,pins = <3 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
};
};
@@ -715,6 +785,14 @@ &uart2 {
status = "okay";
};
+&u2phy0 {
+ status = "okay";
+};
+
+&u2phy0_otg {
+ status = "okay";
+};
+
&u2phy1 {
status = "okay";
};
@@ -750,6 +828,33 @@ &usbdp_phy1_u3 {
status = "okay";
};
+&usbdp_phy0 {
+ orientation-switch;
+ mode-switch;
+ sbu1-dc-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
+ sbu2-dc-gpios = <&gpio4 RK_PA7 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ usbdp_phy0_typec_ss: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&usbc0_ss>;
+ };
+
+ usbdp_phy0_typec_sbu: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&usbc0_sbu>;
+ };
+ };
+};
+
+&usbdp_phy0_u3 {
+ status = "okay";
+};
+
&usb_host0_ehci {
status = "okay";
};
@@ -758,6 +863,20 @@ &usb_host0_ohci {
status = "okay";
};
+&usb_host0_xhci {
+ usb-role-switch;
+ status = "okay";
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ usb_host0_xhci_drd_sw: endpoint {
+ remote-endpoint = <&usbc0_hs>;
+ };
+ };
+};
+
&usb_host1_ehci {
status = "okay";
};
--
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