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Sat, 24 Oct 2026 04:39:44 -0400 (EDT) From: Jiaxing Hu To: Heiko Stuebner Cc: Jiaxing Hu , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND] arm64: dts: rockchip: let TCPM own the USB-C VBUS on CM5-IO Date: Sat, 24 Oct 2026 21:39:42 +1300 Message-ID: <20261024083942.148860-1-gahing@gahingwoo.com> X-Mailer: git-send-email 2.43.0 X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261024_013951_469572_735912A9 X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 vcc_5v0_typec0 is the switched VBUS of the USB-C port. It is the vbus-supply of the FUSB302, but also the phy-supply of u2phy0_otg. The PHY enables it at boot and keeps it on, so TCPM never sees vSafe0V and a sink partner stays in SRC_ATTACH_WAIT. A USB-C dock is not detected. Drop the phy-supply and leave VBUS to TCPM. Fixes: 44a48a23974b ("arm64: dts: rockchip: Add ArmSoM CM5 and CM5-IO") Cc: stable@vger.kernel.org Signed-off-by: Jiaxing Hu --- Resent with the lists on Cc. The first copy went to Heiko only. arch/arm64/boot/dts/rockchip/rk3576-armsom-cm5-io.dts | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-armsom-cm5-io.dts b/arch/arm64/boot/dts/rockchip/rk3576-armsom-cm5-io.dts index 5958b391e..72ca49ec3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-armsom-cm5-io.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-armsom-cm5-io.dts @@ -306,7 +306,6 @@ &u2phy0 { }; &u2phy0_otg { - phy-supply = <&vcc_5v0_typec0>; status = "okay"; }; -- 2.43.0