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Mon, 26 Oct 2026 17:53:30 -0700 (PDT) Received: by venus (Postfix, from userid 1000) id 2CDC71806C8; Tue, 27 Oct 2026 01:53:27 +0100 (CET) Date: Tue, 27 Oct 2026 01:53:27 +0100 From: Sebastian Reichel To: Jiaxing Hu Cc: Heiko Stuebner , 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: Re: [PATCH RESEND] arm64: dts: rockchip: let TCPM own the USB-C VBUS on CM5-IO Message-ID: References: <20261024083942.148860-1-gahing@gahingwoo.com> X-Archived-By: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="sjwqdswbfmk7owwp" Content-Disposition: inline In-Reply-To: <20261024083942.148860-1-gahing@gahingwoo.com> X-Zoho-Virus-Status: 1 X-Zoho-AV-Stamp: zmail-av-0.2.13.1.5.4/293.40.76 X-ZohoMailClient: External X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261026_175338_911998_0719F85E X-CRM114-Status: GOOD ( 19.41 ) 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=-16.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 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 --sjwqdswbfmk7owwp Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH RESEND] arm64: dts: rockchip: let TCPM own the USB-C VBUS on CM5-IO MIME-Version: 1.0 Hi, On Sat, Oct 24, 2026 at 09:39:42PM +1300, Jiaxing Hu wrote: > 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. >=20 > Drop the phy-supply and leave VBUS to TCPM. >=20 > Fixes: 44a48a23974b ("arm64: dts: rockchip: Add ArmSoM CM5 and CM5-IO") > Cc: stable@vger.kernel.org > Signed-off-by: Jiaxing Hu > --- Reviewed-by: Sebastian Reichel Greetings, -- Sebastian > Resent with the lists on Cc. The first copy went to Heiko only. >=20 > arch/arm64/boot/dts/rockchip/rk3576-armsom-cm5-io.dts | 1 - > 1 file changed, 1 deletion(-) >=20 > 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 { > }; > =20 > &u2phy0_otg { > - phy-supply =3D <&vcc_5v0_typec0>; > status =3D "okay"; > }; > =20 > --=20 > 2.43.0 >=20 >=20 --sjwqdswbfmk7owwp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAmrf9f4ACgkQ2O7X88g7 +prMhg/8Cs9QKPoOyCygjstmCc2nf2HUBu1Gbm7UZAQpVYzVWe4PPR8YaBQsUUCP GFHqoh1+1ODRX4cBXOzTa3ECuRYe7Ao05UnisBMTA2uvTF4eLDcjc1QG6MWJRDvy B/etdI5+gc2IAcnGaOcHatcT9rA8zv4dSU5db++NptI+X6mAezeIUhFVZGqfPe2K q59i2cK0kwUotfv7w2wzQXXqdZVfSqx18iLQnVzyB/CWnfynVpu9lmMk9o22ZVgd 05yGPj6F9pHdHeGLB+EsUr/qi7ddJVbOez3s0h6BRLqaUt8bjYjKcy9IXGOPtkYt lWfL0z0f/e++u00ayMIYFpfvglX/fLuQygUqmJfwCF6fXXqnRi1kNbeH6QcuOVL0 3tbvCutae/GL1LbVzMq0Zqe83fAgHdC3IVYKwut+EGXHXkjT9jcy/OHFPttaXntj NG041d99loG3M+xpPC11mZvGJQ7UfKXcSpHoTuJN4DBgceX0rzWXkFAv1yzo4f52 GJpRTQJ4388LqsNSW5g8yo29AYjrw/bT08vzNgZHwQC/xYvsStq8zsBiiVnPR+/t TvXYzh4P+7JUjiGjT/EJulbd/gqzPzaqU7XlaarLutPjx55LQd6fgJYa2UJuM250 +c3Uw/63NhXLlUUog31hU4Vw2tRRjrjXBlW7RBZWMj6BavFAfvw= =a9T6 -----END PGP SIGNATURE----- --sjwqdswbfmk7owwp-- From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46BBE606A31B for ; 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boundary="===============1232549570759350762==" Sender: "Linux-rockchip" X-Spam-Status: No, score=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 --===============1232549570759350762== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="sjwqdswbfmk7owwp" Content-Disposition: inline --sjwqdswbfmk7owwp Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH RESEND] arm64: dts: rockchip: let TCPM own the USB-C VBUS on CM5-IO MIME-Version: 1.0 Hi, On Sat, Oct 24, 2026 at 09:39:42PM +1300, Jiaxing Hu wrote: > 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. >=20 > Drop the phy-supply and leave VBUS to TCPM. >=20 > Fixes: 44a48a23974b ("arm64: dts: rockchip: Add ArmSoM CM5 and CM5-IO") > Cc: stable@vger.kernel.org > Signed-off-by: Jiaxing Hu > --- Reviewed-by: Sebastian Reichel Greetings, -- Sebastian > Resent with the lists on Cc. The first copy went to Heiko only. >=20 > arch/arm64/boot/dts/rockchip/rk3576-armsom-cm5-io.dts | 1 - > 1 file changed, 1 deletion(-) >=20 > 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 { > }; > =20 > &u2phy0_otg { > - phy-supply =3D <&vcc_5v0_typec0>; > status =3D "okay"; > }; > =20 > --=20 > 2.43.0 >=20 >=20 --sjwqdswbfmk7owwp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAmrf9f4ACgkQ2O7X88g7 +prMhg/8Cs9QKPoOyCygjstmCc2nf2HUBu1Gbm7UZAQpVYzVWe4PPR8YaBQsUUCP GFHqoh1+1ODRX4cBXOzTa3ECuRYe7Ao05UnisBMTA2uvTF4eLDcjc1QG6MWJRDvy B/etdI5+gc2IAcnGaOcHatcT9rA8zv4dSU5db++NptI+X6mAezeIUhFVZGqfPe2K q59i2cK0kwUotfv7w2wzQXXqdZVfSqx18iLQnVzyB/CWnfynVpu9lmMk9o22ZVgd 05yGPj6F9pHdHeGLB+EsUr/qi7ddJVbOez3s0h6BRLqaUt8bjYjKcy9IXGOPtkYt lWfL0z0f/e++u00ayMIYFpfvglX/fLuQygUqmJfwCF6fXXqnRi1kNbeH6QcuOVL0 3tbvCutae/GL1LbVzMq0Zqe83fAgHdC3IVYKwut+EGXHXkjT9jcy/OHFPttaXntj NG041d99loG3M+xpPC11mZvGJQ7UfKXcSpHoTuJN4DBgceX0rzWXkFAv1yzo4f52 GJpRTQJ4388LqsNSW5g8yo29AYjrw/bT08vzNgZHwQC/xYvsStq8zsBiiVnPR+/t TvXYzh4P+7JUjiGjT/EJulbd/gqzPzaqU7XlaarLutPjx55LQd6fgJYa2UJuM250 +c3Uw/63NhXLlUUog31hU4Vw2tRRjrjXBlW7RBZWMj6BavFAfvw= =a9T6 -----END PGP SIGNATURE----- --sjwqdswbfmk7owwp-- --===============1232549570759350762== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip --===============1232549570759350762==--