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Tue, 24 Feb 2026 05:32:47 -0800 (PST) Received: from Black-Pearl.localdomain ([27.7.171.51]) by smtp.googlemail.com with ESMTPSA id 41be03b00d2f7-c70b72603dfsm10794571a12.28.2026.02.24.05.32.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Feb 2026 05:32:47 -0800 (PST) From: Charan Pedumuru Date: Tue, 24 Feb 2026 13:32:38 +0000 Subject: [PATCH v2] dt-bindings: usb: st,st-ohci-300x: convert to DT schema Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260224-st-usb-v2-1-e8b7cb6524c6@gmail.com> X-B4-Tracking: v=1; b=H4sIAHaonWkC/zXMSw6CMBSF4a2QO7amDyjGkfswDApt4SZCSS82G tK9W4kO/5OTbwdyER3BtdohuoSEYSkhTxUMk1lGx9CWBsml5pILRht7Us+8UPWl0dJY3UA5r9F 5fB3QvSs9IW0hvg83ie/6I0T7J5JggvVG1a1X3HLHb+Ns8HEewgxdzvkD58oNwZwAAAA= X-Change-ID: 20260201-st-usb-f1348562ad65 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 OHCI Controller binding to DT schema. Signed-off-by: Charan Pedumuru --- Changes in v2: - Add "usb-hcd" as allOf reference. - Remove minItems for the properties "clocks" and "resets". - Link to v1: https://lore.kernel.org/r/20260217-st-usb-v1-1-ba347f30d0e0@gmail.com --- Documentation/devicetree/bindings/usb/ohci-st.txt | 36 --------- .../devicetree/bindings/usb/st,st-ohci-300x.yaml | 85 ++++++++++++++++++++++ 2 files changed, 85 insertions(+), 36 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/ohci-st.txt b/Documentation/devicetree/bindings/usb/ohci-st.txt deleted file mode 100644 index 1c735573abc0..000000000000 --- a/Documentation/devicetree/bindings/usb/ohci-st.txt +++ /dev/null @@ -1,36 +0,0 @@ -ST USB OHCI controller - -Required properties: - - - compatible : must be "st,st-ohci-300x" - - reg : physical base addresses of the controller and length of memory mapped - region - - interrupts : one OHCI controller interrupt should be described here - - 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 to the powerdown and reset controller for 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: - - ohci0: usb@fe1ffc00 { - compatible = "st,st-ohci-300x"; - reg = <0xfe1ffc00 0x100>; - interrupts = ; - clocks = <&clk_s_a1_ls 0>, - <&clockgen_b0 0>; - clock-names = "ic", "clk48"; - phys = <&usb2_phy>; - phy-names = "usb"; - - resets = <&powerdown STIH416_USB0_POWERDOWN>, - <&softreset STIH416_USB0_SOFTRESET>; - reset-names = "power", "softreset"; - }; diff --git a/Documentation/devicetree/bindings/usb/st,st-ohci-300x.yaml b/Documentation/devicetree/bindings/usb/st,st-ohci-300x.yaml new file mode 100644 index 000000000000..a225bf5a2ee4 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/st,st-ohci-300x.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/st,st-ohci-300x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics USB OHCI Controller + +maintainers: + - Peter Griffin + +description: + The STMicroelectronics USB Open Host Controller Interface (OHCI) + compliant USB host controller found in ST platforms. The controller + provides full- and low-speed USB host functionality and interfaces + with an external USB PHY. It requires dedicated clock, reset, and + interrupt resources for proper operation. + +allOf: + - $ref: /schemas/usb/usb-hcd.yaml# + +properties: + compatible: + const: st,st-ohci-300x + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: ic + - const: clk48 + + phys: + maxItems: 1 + + phy-names: + items: + - const: usb + + resets: + maxItems: 2 + + reset-names: + items: + - const: power + - const: softreset + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - phys + - phy-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + usb@fe1ffc00 { + compatible = "st,st-ohci-300x"; + reg = <0xfe1ffc00 0x100>; + interrupts = ; + clocks = <&clk_s_a1_ls 0>, + <&clockgen_b0 0>; + clock-names = "ic", "clk48"; + phys = <&usb2_phy>; + phy-names = "usb"; + resets = <&powerdown STIH407_USB2_PORT0_POWERDOWN>, + <&softreset STIH407_USB2_PORT0_SOFTRESET>; + reset-names = "power", "softreset"; + }; +... --- base-commit: 4c87cdd0328495759f6e9f9f4e1e53ef8032a76f change-id: 20260201-st-usb-f1348562ad65 Best regards, -- Charan Pedumuru