From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hall.aurel32.net (hall.aurel32.net [195.154.119.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 952CF3C13E2; Wed, 19 Aug 2026 17:01:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.119.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787158904; cv=none; b=sAX9d2SnNbLgNiwnUnijkOhwyl4/UvPSnaa3E3jfBdewvdOP/2sLdEXbuyzAC2VV/atSGmrd3EA5ln8SkLp3bCspiNkETTgbFlzAIjkF9H2SOJ2mQtKNj3WZWZH5EIW1wAC0JQM30vafMlLZP7te4QAUg/sbt4KLc/78LqHMjco= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787158904; c=relaxed/simple; bh=s9Nmu3mlDb/iXg6RVxezniVrImHntu3PU2fLC6nVL48=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QsV62oREAROeQ9igiRbKViQuKLfbmjEtfoDMPbpV1w9KxhpUv5FL0hXUqzvPbiNdxbdXzbv2zBZ2k4O7Vv4u4SX62YGBc1tr3snpN5h5NUMvsAT3bQZaUx9ILValqh+JVbkQKvyL1GneH/Qe9vzZSXwNFvYmOHnpvg3sO/z2q3E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net; spf=pass smtp.mailfrom=aurel32.net; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b=qvSF710Z; arc=none smtp.client-ip=195.154.119.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aurel32.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b="qvSF710Z" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=QJLmJKXlE0uHAoUkROK+QmZzPN8vgfWXVTQRcLqVJeE=; b=qvSF710ZuZB6YQM6qKC1AGm68Z y7QRxDzqUxBL4GW669WZ4+sTsCRuRdF+qBkKw8zonGifhp7FgrNwLMnpuP8maO33FUQ6L2hnUzPdy K3xk5mE6vS+sMqOh+FUOnr9ZjvwCIngiAl6UHlJtGaRCuhpkYqRNUbITQE7oCvHnxCu5iv8Tp4Bme RRFlTXajm5q1HYnvYSWmt8cGWvG9ooLwXuhBtiSfGyH+lS55RZCcWbo3pErGDND+Oo4vQZEOp22YL MkK7BFGhGpLHzcmaDZQCnRL8jllMOe6IOlXDCaDEWiTurDRr6cx5fmV2ctwZg4Ikh80U8rwmtig1+ HfCtx1kA==; Received: from authenticated user by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wwj2c-0000000D4km-3jeK; Wed, 19 Aug 2026 18:21:26 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: Aurelien Jarno , Anirudh Srinivasan , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support) Subject: [PATCH v3 2/5] riscv: dts: spacemit: k3: add USB3 B and C controllers for Pico-ITX board Date: Wed, 19 Aug 2026 18:15:43 +0200 Message-ID: <20260819162115.2252812-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260819162115.2252812-1-aurelien@aurel32.net> References: <20260819162115.2252812-1-aurelien@aurel32.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The SpacemiT K3 has 4 USB3 controllers labelled A to D. On the K3 Pico-ITX board, the controllers B and C are used in USB2 mode only respectively for the M.2 B-Key slot and for the RTL8852BE Bluetooth controller. Add the two controller nodes, the two corresponding USB2 PHY nodes, and enable them on the K3 Pico-ITX board. Tested-by: Anirudh Srinivasan Signed-off-by: Aurelien Jarno --- arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 18 ++++++ arch/riscv/boot/dts/spacemit/k3.dtsi | 64 ++++++++++++++++++++ 2 files changed, 82 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts index 171bd2f40aa6..e932e464e645 100644 --- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts @@ -323,6 +323,24 @@ &usb2_phy { status = "okay"; }; +&usb3b { + maximum-speed = "high-speed"; + status = "okay"; +}; + +&usb3b_u2phy { + status = "okay"; +}; + +&usb3c { + maximum-speed = "high-speed"; + status = "okay"; +}; + +&usb3c_u2phy { + status = "okay"; +}; + &usb3d_u2phy { status = "okay"; }; diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spacemit/k3.dtsi index 3e24054d2084..f885e2b4207b 100644 --- a/arch/riscv/boot/dts/spacemit/k3.dtsi +++ b/arch/riscv/boot/dts/spacemit/k3.dtsi @@ -441,6 +441,70 @@ soc: soc { dma-noncoherent; ranges; + usb3b: usb@81400000 { + compatible = "spacemit,k3-dwc3"; + reg = <0x0 0x81400000 0x0 0x10000>; + interrupts = <125 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&saplic>; + clocks = <&syscon_apmu CLK_APMU_USB3_PORTB_BUS>; + clock-names = "usbdrd30"; + resets = <&syscon_apmu RESET_APMU_USB3_B_AHB>, + <&syscon_apmu RESET_APMU_USB3_B_VCC>, + <&syscon_apmu RESET_APMU_USB3_B_PHY>; + reset-names = "ahb", "vcc", "phy"; + phys = <&usb3b_u2phy>; + phy-names = "usb2-phy"; + phy_type = "utmi"; + snps,dis_enblslpm_quirk; + snps,dis_u2_susphy_quirk; + snps,dis_u3_susphy_quirk; + snps,dis-del-phy-power-chg-quirk; + snps,dis-tx-ipgap-linecheck-quirk; + snps,parkmode-disable-ss-quirk; + dr_mode = "host"; + status = "disabled"; + }; + + usb3b_u2phy: phy@81500000 { + compatible = "spacemit,k3-usb2-phy"; + reg = <0x0 0x81500000 0x0 0x200>; + clocks = <&syscon_apmu CLK_APMU_USB3_PORTB_BUS>; + #phy-cells = <0>; + status = "disabled"; + }; + + usb3c: usb@81700000 { + compatible = "spacemit,k3-dwc3"; + reg = <0x0 0x81700000 0x0 0x10000>; + interrupts = <148 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&saplic>; + clocks = <&syscon_apmu CLK_APMU_USB3_PORTC_BUS>; + clock-names = "usbdrd30"; + resets = <&syscon_apmu RESET_APMU_USB3_C_AHB>, + <&syscon_apmu RESET_APMU_USB3_C_VCC>, + <&syscon_apmu RESET_APMU_USB3_C_PHY>; + reset-names = "ahb", "vcc", "phy"; + phys = <&usb3c_u2phy>; + phy-names = "usb2-phy"; + phy_type = "utmi"; + snps,dis_enblslpm_quirk; + snps,dis_u2_susphy_quirk; + snps,dis_u3_susphy_quirk; + snps,dis-del-phy-power-chg-quirk; + snps,dis-tx-ipgap-linecheck-quirk; + snps,parkmode-disable-ss-quirk; + dr_mode = "host"; + status = "disabled"; + }; + + usb3c_u2phy: phy@81800000 { + compatible = "spacemit,k3-usb2-phy"; + reg = <0x0 0x81800000 0x0 0x200>; + clocks = <&syscon_apmu CLK_APMU_USB3_PORTC_BUS>; + #phy-cells = <0>; + status = "disabled"; + }; + usb3d: usb@81a00000 { compatible = "spacemit,k3-dwc3"; reg = <0x0 0x81a00000 0x0 0x10000>; -- 2.53.0