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[93.89.165.28]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-486f8aacc73sm50169335e9.0.2026.03.19.02.25.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Mar 2026 02:25:24 -0700 (PDT) From: Gabor Juhos Date: Thu, 19 Mar 2026 10:24:59 +0100 Subject: [PATCH v3] arm64: dts: marvell: armada-37xx: drop 'marvell,usb-misc-reg' from USB host nodes Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260319-armada-37xx-drop-usb-misc-reg-v3-1-8585c8a0a8ba@gmail.com> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/43NvQ6DIBiF4VsxzP0a/graqffRdEBAJSlioCU2x nsvOrm143uG5ywo2ehsQtdqQdFml1wYS7BThfSgxt6CM6URxVRghjmo6JVRwOQ8g4lhgndqwbu kIdoebCPYhTe1VlagYkzRdm7e/fuj9ODSK8TPfpfJtv4rZwIEaow1aSUXrVS33iv3POvg0SZne tCI/KXRohnTdZISwjnhR21d1y/rW8zXGAEAAA== X-Change-ID: 20260304-armada-37xx-drop-usb-misc-reg-e9635498cae6 To: Andrew Lunn , Gregory Clement , Miquel Raynal , Sebastian Hesselbarth , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Gabor Juhos X-Mailer: b4 0.14.2 The 'marvell,usb-misc-reg' property is present both in the EHCI and in the XHCI USB host device nodes, however it is not documented. Thus 'make dtbs_check' produces warnings like these: /arch/arm64/boot/dts/marvell/armada-3720-db.dtb: usb@58000 (marvell,armad= a3700-xhci): Unevaluated properties are not allowed ('marvell,usb-misc-reg'= was unexpected) from schema $id: http://devicetree.org/schemas/usb/generic-xhci.y= aml /arch/arm64/boot/dts/marvell/armada-3720-db.dtb: usb@5e000 (marvell,armad= a-3700-ehci): Unevaluated properties are not allowed ('marvell,usb-misc-reg= ' was unexpected) from schema $id: http://devicetree.org/schemas/usb/generic-ehci.y= aml Apart from the fact that the properties are not documented, those are not even used by any USB host drivers. Due to this, drop the properties in order to get rid of the warnings. Note: With the same name, there is a property used for the Armada 3700 USB UTMI PHYs of which dt-bindings documentation has been added in commit e60958699afa ("dt-bindings: phy: mvebu-utmi: add UTMI PHY bindings"). Additionally, the property is handled by the 'phy-mvebu-a3700-utmi' driver since commit cc8b7a0ae866 ("phy: add A3700 UTMI PHY driver"). When the nodes of the UTMI PHYs has been added to the SoC dtsi by commit 05d168a56fae ("arm64: dts: marvell: armada-37xx: declare USB2 UTMI PHYs"), the properties has been added to the USB host controller nodes also. According to the commit message this was unintentional, however in regard to the USB hosts, neither the respective documentation, nor driver support has been added into the tree since that. Reviewed-by: Andrew Lunn Reviewed-by: Miquel Raynal Signed-off-by: Gabor Juhos --- Changes in v3: - s/intentional/unintentional/ - add Reviewed-by tag from Miquel - Link to v2: https://lore.kernel.org/r/20260317-armada-37xx-drop-usb-mis= c-reg-v2-1-ddff72114414@gmail.com Changes in v2: - add Reviewed-by tag from Andrew - change subject and reword commit message - Link to v1: https://lore.kernel.org/r/20260304-armada-37xx-drop-usb-mis= c-reg-v1-1-800c1b746b7a@gmail.com --- arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot= /dts/marvell/armada-37xx.dtsi index ea1824f5321fbb32fc4373c08a0d94bca1dc793b..44c47409f8793ae126630360781= 2ef481edbfbc5 100644 --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi @@ -369,7 +369,6 @@ usb3: usb@58000 { compatible =3D "marvell,armada3700-xhci", "generic-xhci"; reg =3D <0x58000 0x4000>; - marvell,usb-misc-reg =3D <&usb32_syscon>; interrupts =3D ; clocks =3D <&sb_periph_clk 12>; phys =3D <&comphy0 0>, <&usb2_utmi_otg_phy>; @@ -393,7 +392,6 @@ usb32_syscon: system-controller@5d800 { usb2: usb@5e000 { compatible =3D "marvell,armada-3700-ehci"; reg =3D <0x5e000 0x1000>; - marvell,usb-misc-reg =3D <&usb2_syscon>; interrupts =3D ; phys =3D <&usb2_utmi_host_phy>; phy-names =3D "usb"; --- base-commit: 98226a594f313442fcba38cefc1df0b6c1691c7e change-id: 20260304-armada-37xx-drop-usb-misc-reg-e9635498cae6 Best regards, --=20 Gabor Juhos