[PATCH 5/5] arm64: dts: rockchip: rk3399-evb-ind: Add support for DisplayPort
Chaoyi Chen
kernel at airkyi.com
Tue Jul 15 11:24:56 UTC 2025
From: Chaoyi Chen <chaoyi.chen at rock-chips.com>
The RK3399 EVB IND board has a Type-C interface DisplayPort.
It use fusb302 chip as Type-C controller.
Signed-off-by: Chaoyi Chen <chaoyi.chen at rock-chips.com>
---
.../boot/dts/rockchip/rk3399-evb-ind.dts | 119 ++++++++++++++++++
1 file changed, 119 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb-ind.dts b/arch/arm64/boot/dts/rockchip/rk3399-evb-ind.dts
index 70aee1ab904c..9ceda32456a0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb-ind.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb-ind.dts
@@ -4,6 +4,7 @@
*/
/dts-v1/;
+#include <dt-bindings/usb/pd.h>
#include "rk3399.dtsi"
/ {
@@ -19,6 +20,16 @@ chosen {
stdout-path = "serial2:1500000n8";
};
+ vbus_typec: vbus-typec-regulator {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc5v0_typec0_en>;
+ regulator-name = "vbus_typec";
+ vin-supply = <&vcc5v0_sys>;
+ };
+
vcc5v0_sys: regulator-vcc5v0-sys {
compatible = "regulator-fixed";
enable-active-high;
@@ -29,6 +40,16 @@ vcc5v0_sys: regulator-vcc5v0-sys {
regulator-max-microvolt = <5000000>;
regulator-min-microvolt = <5000000>;
};
+
+ sound: sound {
+ compatible = "rockchip,rk3399-gru-sound";
+ rockchip,cpu = <&i2s0 &spdif>;
+ };
+};
+
+&cdn_dp {
+ status = "okay";
+ phys = <&tcphy0_dp>;
};
&cpu_b0 {
@@ -341,6 +362,66 @@ regulator-state-mem {
};
};
+&i2c4 {
+ i2c-scl-rising-time-ns = <475>;
+ i2c-scl-falling-time-ns = <26>;
+ status = "okay";
+
+ usbc0: fusb302 at 22 {
+ compatible = "fcs,fusb302";
+ reg = <0x22>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usbc0_int>;
+ vbus-supply = <&vbus_typec>;
+ status = "okay";
+
+ usb_con: connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ data-role = "dual";
+ power-role = "dual";
+ try-power-role = "sink";
+ op-sink-microwatt = <1000000>;
+ sink-pdos =
+ <PDO_FIXED(5000, 2500, PDO_FIXED_USB_COMM)>;
+ source-pdos =
+ <PDO_FIXED(5000, 1500, PDO_FIXED_USB_COMM)>;
+
+ displayport = <&cdn_dp>;
+
+ altmodes {
+ displayport {
+ svid = /bits/ 16 <0xff01>;
+ vdo = <0xffffffff>;
+ };
+ };
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+
+ usbc0_orien_sw: endpoint {
+ remote-endpoint = <&tcphy0_orientation_switch>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+
+ dp_mode_sw: endpoint {
+ remote-endpoint = <&tcphy_dp_altmode_switch>;
+ };
+ };
+ };
+ };
+ };
+};
+
&i2s2 {
status = "okay";
};
@@ -354,6 +435,16 @@ &io_domains {
};
&pinctrl {
+ usb-typec {
+ usbc0_int: usbc0-int {
+ rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+
+ vcc5v0_typec0_en: vcc5v0-typec0-en {
+ rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
pmic {
pmic_int_l: pmic-int-l {
rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -400,8 +491,35 @@ &sdmmc {
status = "okay";
};
+&sound {
+ rockchip,codec = <&cdn_dp>;
+ status = "okay";
+};
+
+&spdif {
+ status = "okay";
+};
+
&tcphy0 {
+ mode-switch;
+ orientation-switch;
status = "okay";
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tcphy0_orientation_switch: endpoint at 0 {
+ reg = <0>;
+ remote-endpoint = <&usbc0_orien_sw>;
+ };
+
+ tcphy_dp_altmode_switch: endpoint at 1 {
+ reg = <1>;
+ remote-endpoint = <&dp_mode_sw>;
+ };
+ };
+
};
&tcphy1 {
@@ -461,6 +579,7 @@ &usb_host1_ohci {
};
&usbdrd_dwc3_0 {
+ usb-role-switch;
status = "okay";
};
--
2.49.0
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