| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <2bfaqx6unfejlqg53jaw47s6qzymdcvyiy6wuqgua43mnitzbt@5wfqp6ucxcsx>
Date: Tue, 15 Jul 2025 15:11:51 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Chaoyi Chen <kernel@...kyi.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>,
Heiko Stuebner <heiko@...ech.de>, Sandy Huang <hjc@...k-chips.com>,
Andy Yan <andy.yan@...k-chips.com>,
Yubing Zhang <yubing.zhang@...k-chips.com>,
Frank Wang <frank.wang@...k-chips.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Amit Sunil Dhamne <amitsd@...gle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Chaoyi Chen <chaoyi.chen@...k-chips.com>,
Dragan Simic <dsimic@...jaro.org>, Johan Jonker <jbx6244@...il.com>,
Diederik de Haas <didi.debian@...ow.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 5/5] arm64: dts: rockchip: rk3399-evb-ind: Add support
for DisplayPort
On Tue, Jul 15, 2025 at 07:24:56PM +0800, Chaoyi Chen wrote:
> From: Chaoyi Chen <chaoyi.chen@...k-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@...k-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@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@0 {
Which signals are described by these ports? port@0 should be used for
USB HS lines.
> + reg = <0>;
> +
> + usbc0_orien_sw: endpoint {
> + remote-endpoint = <&tcphy0_orientation_switch>;
> + };
> + };
> +
> + port@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@0 {
> + reg = <0>;
> + remote-endpoint = <&usbc0_orien_sw>;
> + };
> +
> + tcphy_dp_altmode_switch: endpoint@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
>
--
With best wishes
Dmitry
Powered by blists - more mailing lists