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Mon, 28 Sep 2026 16:19:36 -0700 (PDT) X-Received: by 2002:a05:690c:60c5:b0:873:5c6b:a304 with SMTP id 00721157ae682-8a86d7e29bdmr40055957b3.50.1790637576516; Mon, 28 Sep 2026 16:19:36 -0700 (PDT) Received: from rhdev ([2600:1700:f361:20bf::14c1]) by smtp.gmail.com with ESMTPSA id 00721157ae682-8a860f9cdb0sm51374117b3.24.2026.09.28.16.19.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Sep 2026 16:19:36 -0700 (PDT) From: Jennifer Berringer To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, James Morris , Jennifer Berringer Subject: [PATCH 2/4] riscv: dts: spacemit: k3-com260-ifx: Add USB nodes Date: Mon, 28 Sep 2026 19:18:05 -0400 Message-ID: <20260928231807.1757995-3-jberring@redhat.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260928231807.1757995-1-jberring@redhat.com> References: <20260928231807.1757995-1-jberring@redhat.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit K3 CoM260 IFX uses usb3b for a VL817 hub providing 4x USB 3.0 ports and usb2_host for Bluetooth through the M.2 E-Key slot. Signed-off-by: Jennifer Berringer --- .../riscv/boot/dts/spacemit/k3-com260-ifx.dts | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts b/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts index a5c08a7a781a9..a4dfa25c837fe 100644 --- a/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts +++ b/arch/riscv/boot/dts/spacemit/k3-com260-ifx.dts @@ -3,6 +3,7 @@ * Copyright (c) 2026 SpacemiT (Hangzhou) Technology Co. Ltd * Copyright (c) 2026 Yixun Lan */ +#include #include "k3-com260.dtsi" @@ -18,6 +19,31 @@ aliases { chosen { stdout-path = "serial0:115200n8"; }; + + reg_hub_5v: regulator-usb3-hub-5v { + compatible = "regulator-fixed"; + regulator-name = "USB30_HUB"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + regulator-always-on; + vin-supply = <®_5v_sys>; + }; + + reg_vbus_5v: regulator-usb3-vbus-5v { + compatible = "regulator-fixed"; + regulator-name = "USB30_VBUS"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <®_5v_sys>; + gpio = <&gpio K3_GPIO(67) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; +}; + +&combophy { + spacemit,apmu = <&syscon_apmu 0x14>; + status = "okay"; }; &i2c1 { @@ -35,6 +61,43 @@ eeprom@50 { }; }; +&usb2_host { + status = "okay"; +}; + +&usb2_phy { + status = "okay"; +}; + +&usb3b { + phys = <&usb3b_u2phy>, <&combophy 2 PHY_TYPE_USB3>; + phy-names = "usb2-phy", "usb3-phy"; + status = "okay"; + vbus-supply = <®_vbus_5v>; + #address-cells = <1>; + #size-cells = <0>; + + hub_2_0: hub@1 { + compatible = "usb2109,2817"; + reg = <1>; + vdd-supply = <®_hub_5v>; + peer-hub = <&hub_3_0>; + reset-gpios = <&gpio K3_GPIO(53) GPIO_ACTIVE_LOW>; + }; + + hub_3_0: hub@2 { + compatible = "usb2109,817"; + reg = <2>; + vdd-supply = <®_hub_5v>; + peer-hub = <&hub_2_0>; + reset-gpios = <&gpio K3_GPIO(53) GPIO_ACTIVE_LOW>; + }; +}; + +&usb3b_u2phy { + status = "okay"; +}; + &sdhci0 { pinctrl-names = "default","uhs"; pinctrl-0 = <&mmc1_cfg>; -- 2.55.0