From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DFFA5CA101F for ; Fri, 12 Sep 2025 16:54:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tm6Gp3eKFTGGV/NoBl61g1cL56K/2mbWSdssED+NTCE=; b=HHoz+6wh/7J/f5 6SjgBlXWlAhFkwQasR6fSgZE2mds1JKno1ZXulZkxsP9OuMZV4i/bwzs6UOOlY01DzW6xLszip65I NcPhegZBoDpXwJ/+qtN016uEH3UbKtWJiWqTN/fF0sv35dC+EbiSr0EHm7Bfjafcz1NG+PmAPVtcd XZWKF2pFG2IsBarrRZRg6jNN/5+hYX1OYbW/ZMgJTJqG0ET2FXn43ibFiHIyetOz4ZmzbTBdBXcsh J4QSh6vlKnIQqSGiFmuyJ3MIWpYzUTGsTGU6V062x1mUmR98d9ltu4bLifrRZEfBRSUdZ65V6Jqtx l0oodsXKi/Mglnfjv9zA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ux72N-0000000AdiR-2F6M; Fri, 12 Sep 2025 16:54:15 +0000 Received: from out-189.mta0.migadu.com ([2001:41d0:1004:224b::bd]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ux72K-0000000Adfq-1voS for linux-riscv@lists.infradead.org; Fri, 12 Sep 2025 16:54:14 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1757696049; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mfZBlMHwJS9/OuN5VmEq2SYdNWX9aD0m2Sh8K3/blMA=; b=cDtcWlzozhFot9ePL0RKopC2wj5Ha8ZnnpDYQ7aobap3+nRnBinzDjTWwtedeYpVb11e5U YMzMJvSKw/I8LmIzCDsMEcAdOcw5a0pV7gVLuAv/cngWsw1qKxfo3DQnmkv9WNecoKjnQz wG4ZtDxNXpCa9i4jEJBFur7919gHgDA= From: Ze Huang Date: Sat, 13 Sep 2025 00:53:47 +0800 Subject: [PATCH v8 1/2] dt-bindings: usb: dwc3: add support for SpacemiT K1 MIME-Version: 1.0 Message-Id: <20250913-dwc3_generic-v8-1-b50f81f05f95@linux.dev> References: <20250913-dwc3_generic-v8-0-b50f81f05f95@linux.dev> In-Reply-To: <20250913-dwc3_generic-v8-0-b50f81f05f95@linux.dev> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Thinh Nguyen , Philipp Zabel Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Ze Huang , Krzysztof Kozlowski X-Developer-Signature: v=1; a=ed25519-sha256; t=1757696039; l=3806; i=huang.ze@linux.dev; s=20250705; h=from:subject:message-id; bh=H7k5mDAfvycjhvRWu34N74VSOKqaMn3YDIjLNtIW6qM=; b=jbkyzOcIQWAfVhF/BNStissrHzcoutpFBZe+WEk8BcO198bWNcMPm0EdUEbnvZkaf9Q1APLKP PmS3I93RLImCcqVZgPNDpD9gHN4DTICYWjLzoVBhYfKLosJdQe3RbPG X-Developer-Key: i=huang.ze@linux.dev; a=ed25519; pk=Kzc4PMu5PTo8eZZQ5xmTNL9jeXcQ9Wml0cs+vlQpBkg= X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250912_095412_783579_6F33315E X-CRM114-Status: GOOD ( 11.28 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add support for the USB 3.0 Dual-Role Device (DRD) controller embedded in the SpacemiT K1 SoC. The controller is based on the Synopsys DesignWare Core USB 3 (DWC3) IP, supporting USB3.0 host mode and USB 2.0 DRD mode. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Ze Huang --- .../devicetree/bindings/usb/spacemit,k1-dwc3.yaml | 121 +++++++++++++++++++++ 1 file changed, 121 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/spacemit,k1-dwc3.yaml b/Documentation/devicetree/bindings/usb/spacemit,k1-dwc3.yaml new file mode 100644 index 0000000000000000000000000000000000000000..0f0b5e061ca17cd02866a78d15d3808f933a76c2 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/spacemit,k1-dwc3.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/spacemit,k1-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SpacemiT K1 SuperSpeed DWC3 USB SoC Controller + +maintainers: + - Ze Huang + +description: | + The SpacemiT K1 embeds a DWC3 USB IP Core which supports Host functions + for USB 3.0 and DRD for USB 2.0. + + Key features: + - USB3.0 SuperSpeed and USB2.0 High/Full/Low-Speed support + - Supports low-power modes (USB2.0 suspend, USB3.0 U1/U2/U3) + - Internal DMA controller and flexible endpoint FIFO sizing + + Communication Interface: + - Use of PIPE3 (125MHz) interface for USB3.0 PHY + - Use of UTMI+ (30/60MHz) interface for USB2.0 PHY + +allOf: + - $ref: snps,dwc3-common.yaml# + +properties: + compatible: + const: spacemit,k1-dwc3 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: usbdrd30 + + interrupts: + maxItems: 1 + + phys: + items: + - description: phandle to USB2/HS PHY + - description: phandle to USB3/SS PHY + + phy-names: + items: + - const: usb2-phy + - const: usb3-phy + + resets: + items: + - description: USB3.0 AHB reset + - description: USB3.0 VCC reset + - description: USB3.0 PHY reset + + reset-names: + items: + - const: ahb + - const: vcc + - const: phy + + reset-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + default: 2 + description: delay after reset sequence [us] + + vbus-supply: + description: A phandle to the regulator supplying the VBUS voltage. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - phys + - phy-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + usb@c0a00000 { + compatible = "spacemit,k1-dwc3"; + reg = <0xc0a00000 0x10000>; + clocks = <&syscon_apmu 16>; + clock-names = "usbdrd30"; + interrupts = <125>; + phys = <&usb2phy>, <&usb3phy>; + phy-names = "usb2-phy", "usb3-phy"; + resets = <&syscon_apmu 8>, + <&syscon_apmu 9>, + <&syscon_apmu 10>; + reset-names = "ahb", "vcc", "phy"; + reset-delay = <2>; + vbus-supply = <&usb3_vbus>; + #address-cells = <1>; + #size-cells = <0>; + + hub_2_0: hub@1 { + compatible = "usb2109,2817"; + reg = <1>; + vdd-supply = <&usb3_vhub>; + peer-hub = <&hub_3_0>; + reset-gpios = <&gpio 3 28 1>; + }; + + hub_3_0: hub@2 { + compatible = "usb2109,817"; + reg = <2>; + vdd-supply = <&usb3_vhub>; + peer-hub = <&hub_2_0>; + reset-gpios = <&gpio 3 28 1>; + }; + }; -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv