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Fri, 06 Mar 2026 23:31:49 -0800 (PST) Received: from Black-Pearl.localdomain ([27.7.215.222]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-829a4866a72sm3632106b3a.36.2026.03.06.23.31.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Mar 2026 23:31:48 -0800 (PST) From: Charan Pedumuru Date: Sat, 07 Mar 2026 07:31:42 +0000 Subject: [PATCH] dt-bindings: usb: st,st-ehci-300x: convert to DT schema 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: <20260307-st-ehci-v1-1-3801a99ae913@gmail.com> X-B4-Tracking: v=1; b=H4sIAF3Uq2kC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDYwNT3eIS3dSM5EzdtERjE0MTS1NzS8skJaDqgqLUtMwKsEnRsbW1AB7 rlG5ZAAAA X-Change-ID: 20260305-st-ehci-fa341495799b To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Charan Pedumuru X-Mailer: b4 0.14.3 Convert STMicroelectronics USB EHCI Controller binding to DT schema. Signed-off-by: Charan Pedumuru Reviewed-by: Rob Herring (Arm) --- Documentation/devicetree/bindings/usb/ehci-st.txt | 38 --------- .../devicetree/bindings/usb/st,st-ehci-300x.yaml | 95 ++++++++++++++++++= ++++ 2 files changed, 95 insertions(+), 38 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/ehci-st.txt b/Documentat= ion/devicetree/bindings/usb/ehci-st.txt deleted file mode 100644 index d6f2bdee20fc..000000000000 --- a/Documentation/devicetree/bindings/usb/ehci-st.txt +++ /dev/null @@ -1,38 +0,0 @@ -ST USB EHCI controller - -Required properties: - - compatible : must be "st,st-ehci-300x" - - reg : physical base addresses of the controller and length of memory = mapped - region - - interrupts : one EHCI interrupt should be described here - - pinctrl-names : a pinctrl state named "default" must be defined - - pinctrl-0 : phandle referencing pin configuration of the USB controller -See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt - - clocks : phandle list of usb clocks - - clock-names : should be "ic" for interconnect clock and "clk48" -See: Documentation/devicetree/bindings/clock/clock-bindings.txt - - - phys : phandle for the PHY device - - phy-names : should be "usb" - - resets : phandle + reset specifier pairs to the powerdown and softrese= t lines - of the USB IP - - reset-names : should be "power" and "softreset" -See: Documentation/devicetree/bindings/reset/st,stih407-powerdown.yaml -See: Documentation/devicetree/bindings/reset/reset.txt - -Example: - - ehci1: usb@fe203e00 { - compatible =3D "st,st-ehci-300x"; - reg =3D <0xfe203e00 0x100>; - interrupts =3D ; - pinctrl-names =3D "default"; - pinctrl-0 =3D <&pinctrl_usb1>; - clocks =3D <&clk_s_a1_ls 0>; - phys =3D <&usb2_phy>; - phy-names =3D "usb"; - - resets =3D <&powerdown STIH416_USB1_POWERDOWN>, - <&softreset STIH416_USB1_SOFTRESET>; - reset-names =3D "power", "softreset"; - }; diff --git a/Documentation/devicetree/bindings/usb/st,st-ehci-300x.yaml b/D= ocumentation/devicetree/bindings/usb/st,st-ehci-300x.yaml new file mode 100644 index 000000000000..0cd625cd003b --- /dev/null +++ b/Documentation/devicetree/bindings/usb/st,st-ehci-300x.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/st,st-ehci-300x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics USB EHCI Controller (ST EHCI 300x) + +maintainers: + - Peter Griffin + +description: + The STMicroelectronics EHCI 300x controller is a USB 2.0 Enhanced Host + Controller Interface used in several ST SoCs. It provides high-speed USB + host functionality and interfaces with an external USB PHY. The controll= er + requires clock, reset, interrupt, and pin control configuration along wi= th + PHY connection information to operate correctly. + +allOf: + - $ref: usb-hcd.yaml# + +properties: + compatible: + const: st,st-ehci-300x + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + pinctrl-names: + const: default + + pinctrl-0: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: ic + - const: clk48 + + phys: + maxItems: 1 + + phy-names: + const: usb + + resets: + maxItems: 2 + + reset-names: + items: + - const: power + - const: softreset + +required: + - compatible + - reg + - interrupts + - pinctrl-names + - pinctrl-0 + - clocks + - clock-names + - phys + - phy-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + usb@fe203e00 { + compatible =3D "st,st-ehci-300x"; + reg =3D <0xfe203e00 0x100>; + interrupts =3D ; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_usb1>; + clocks =3D <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>, + <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>; + clock-names =3D "ic", "clk48"; + phys =3D <&usb2_phy>; + phy-names =3D "usb"; + resets =3D <&powerdown STIH407_USB2_PORT0_POWERDOWN>, + <&softreset STIH407_USB2_PORT0_SOFTRESET>; + reset-names =3D "power", "softreset"; + }; +... --- base-commit: 3f9cd19e764b782706dbaacc69e502099cb014ba change-id: 20260305-st-ehci-fa341495799b Best regards, --=20 Charan Pedumuru