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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c7f64dc839sm8538545ad.68.2026.06.24.19.40.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Jun 2026 19:40:15 -0700 (PDT) From: Joey Lu To: Vinod Koul , Neil Armstrong Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Arnd Bergmann , Catalin Marinas , Jacky Huang , Shan-Chun Hung , Hui-Ping Chen , Joey Lu , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Lu Subject: [PATCH v2 3/4] arm64: dts: nuvoton: ma35d1: add USB controllers and dual-port PHY node Date: Thu, 25 Jun 2026 10:39:57 +0800 Message-ID: <20260625023958.569299-4-a0987203069@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260625023958.569299-1-a0987203069@gmail.com> References: <20260625023958.569299-1-a0987203069@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add device tree nodes for the MA35D1 USB subsystem: - sys node gains simple-mfd + address/size-cells so it can contain the usb-phy@60 child. - usb-phy@60 is added as a child of sys, using the combined nuvoton,ma35d1-usb2-phy driver with #phy-cells = <1>. No clock properties: clock gating is handled by each controller node. - DWC2 gadget (usb@40200000), EHCI0/1, and OHCI0/1 nodes are added. Each controller names its clock gate directly and references the PHY by index (0 for the OTG port, 1 for the dedicated host port). - Board files (ma35d1-som-256m.dts, ma35d1-iot-512m.dts) enable the PHY, dwc2, ehci0/1, and ohci0/1 nodes and add pinctrl for the HSUSB signals (VBUSVLD, PWREN, OVC). Signed-off-by: Joey Lu --- .../boot/dts/nuvoton/ma35d1-iot-512m.dts | 36 ++++++++++ .../boot/dts/nuvoton/ma35d1-som-256m.dts | 36 ++++++++++ arch/arm64/boot/dts/nuvoton/ma35d1.dtsi | 68 ++++++++++++++++++- 3 files changed, 139 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts index 9482bec1aa57..32fea36da7f4 100644 --- a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts +++ b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts @@ -95,6 +95,16 @@ pinctrl_uart14: uart14-pins { power-source = <1>; }; }; + + hsusb { + pinctrl_hsusb: hsusb-pins { + nuvoton,pins = <5 15 1>, /* VBUSVLD */ + <11 12 9>, /* PWREN */ + <11 13 9>; /* OVC */ + bias-disable; + power-source = <1>; + }; + }; }; &uart0 { @@ -126,3 +136,29 @@ &uart14 { pinctrl-0 = <&pinctrl_uart14>; status = "okay"; }; + +&usb_phy { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_hsusb>; + status = "okay"; +}; + +&usb { + status = "okay"; +}; + +&ehci0 { + status = "okay"; +}; + +&ehci1 { + status = "okay"; +}; + +&ohci0 { + status = "okay"; +}; + +&ohci1 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts index f6f20a17e501..85d1c5db8bd9 100644 --- a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts +++ b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts @@ -98,6 +98,16 @@ pinctrl_uart16: uart16-pins { power-source = <1>; }; }; + + hsusb { + pinctrl_hsusb: hsusb-pins { + nuvoton,pins = <5 15 1>, /* VBUSVLD */ + <11 12 9>, /* PWREN */ + <11 13 9>; /* OVC */ + bias-disable; + power-source = <1>; + }; + }; }; &uart0 { @@ -129,3 +139,29 @@ &uart16 { pinctrl-0 = <&pinctrl_uart16>; status = "okay"; }; + +&usb_phy { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_hsusb>; + status = "okay"; +}; + +&usb { + status = "okay"; +}; + +&ehci0 { + status = "okay"; +}; + +&ehci1 { + status = "okay"; +}; + +&ohci0 { + status = "okay"; +}; + +&ohci1 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi index e51b98f5bdce..a6a354f28311 100644 --- a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi +++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi @@ -83,9 +83,18 @@ soc { ranges; sys: system-management@40460000 { - compatible = "nuvoton,ma35d1-reset", "syscon"; + compatible = "nuvoton,ma35d1-reset", "syscon", "simple-mfd"; reg = <0x0 0x40460000 0x0 0x200>; #reset-cells = <1>; + #address-cells = <1>; + #size-cells = <1>; + + usb_phy: usb-phy@60 { + compatible = "nuvoton,ma35d1-usb2-phy"; + reg = <0x60 0x14>; + #phy-cells = <1>; + status = "disabled"; + }; }; clk: clock-controller@40460200 { @@ -379,5 +388,62 @@ uart16: serial@40880000 { clocks = <&clk UART16_GATE>; status = "disabled"; }; + + usb: usb@40200000 { + compatible = "snps,dwc2"; + reg = <0x0 0x40200000 0x0 0x1000>; + interrupts = ; + clocks = <&clk USBD_GATE>; + clock-names = "otg"; + phys = <&usb_phy 0>; + phy-names = "usb2-phy"; + dr_mode = "peripheral"; + g-np-tx-fifo-size = <16>; + g-rx-fifo-size = <0x100>; + g-tx-fifo-size = <256 256 64 64 64 32 32 32>; + status = "disabled"; + }; + + ehci0: usb@40140000 { + compatible = "generic-ehci"; + reg = <0x0 0x40140000 0x0 0x1000>; + interrupts = ; + clocks = <&clk HUSBH0_GATE>; + phys = <&usb_phy 0>; + phy-names = "usb"; + companion = <&ohci0>; + status = "disabled"; + }; + + ehci1: usb@401c0000 { + compatible = "generic-ehci"; + reg = <0x0 0x401c0000 0x0 0x1000>; + interrupts = ; + clocks = <&clk HUSBH1_GATE>; + phys = <&usb_phy 1>; + phy-names = "usb"; + companion = <&ohci1>; + status = "disabled"; + }; + + ohci0: usb@40150000 { + compatible = "generic-ohci"; + reg = <0x0 0x40150000 0x0 0x1000>; + interrupts = ; + clocks = <&clk HUSBH0_GATE>; + phys = <&usb_phy 0>; + phy-names = "usb"; + status = "disabled"; + }; + + ohci1: usb@401d0000 { + compatible = "generic-ohci"; + reg = <0x0 0x401d0000 0x0 0x1000>; + interrupts = ; + clocks = <&clk HUSBH1_GATE>; + phys = <&usb_phy 1>; + phy-names = "usb"; + status = "disabled"; + }; }; }; -- 2.43.0