linux-kernel - [PATCH] arm64: rockchip: rk3399-roc-pc: prevent fusb302 powering off the board during boot

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Date:   Mon, 20 Jun 2022 11:04:07 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     heiko@...ech.de, krzysztof.kozlowski+dt@...aro.org,
        robh+dt@...nel.org, m.reichl@...etechno.de
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        Corentin Labbe <clabbe@...libre.com>, stable@...nel.org
Subject: [PATCH] arm64: rockchip: rk3399-roc-pc: prevent fusb302 powering off the board during boot

The rk3399-roc-pc never finish booting because it is powered off when probing
fusb302.

The type c port is disabled because not present in DT as can seen in dmesg:
OF: graph: no port node found in /i2c@...d0000/usb-typec@22

So adding the port in DT (as needed by the device tree schema of
fusb302), permits the board to survive and finish booting.

CC: stable@...nel.org # 5.10+
Fixes: 8bb878cf20ae ("arm64: dts: rockchip: add support for ROC-RK3399-PC board")
Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
This patch is tested on 5.10.123, 5.15.48 and next-20220614

 arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index 0e45cc2d195b..60c400ca4034 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -552,6 +552,22 @@ fusb0: usb-typec@22 {
 		pinctrl-0 = <&fusb0_int>;
 		vbus-supply = <&vcc_vbus_typec0>;
 		status = "okay";
+
+		connector {
+			compatible = "usb-c-connector";
+			data-role = "host";
+			label = "USB-C";
+			power-role = "dual";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+				};
+			};
+		};
 	};
 
 	mp8859: regulator@66 {
-- 
2.35.1