From nobody Mon Feb 9 20:09:37 2026 Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) (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 0D2813B95E3 for ; Thu, 22 Jan 2026 12:51:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769086303; cv=none; b=KvnxY3Aw98C2cQwY2HO//7+ZfE07Dv0eqtGPQKVWpZlJTKHEDZHw3FgUVFXa5PPkxiLrqFMdFaWaVPuj+Tnbu1eC1aB6nM4yR6tCnxyVuNnEc0tVrO6rUWc4W0h/Ew+6Mr5FJiDT9uUuT7k1IyhzoOwE41X9l6cViIvVV4zb9to= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769086303; c=relaxed/simple; bh=CnnXymbrGRT3V83nY1QVU7QG5QZ1k7N+tOMBfIOkrt0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:MIME-Version: Content-Type:References; b=kKJaPUZ8Q39srpAO2ev2rPZBBiNyXPfbU7IQSkvQV7EhddXbO2LRCbwe/3dGPGLK2C2YQBU0gMF+PHWuCU4FIcTyp13cApqWIO7WIuGX2QGeeZ0UQfBVdrW2/TAHjZGNpspagoIqrWQWo8ATVZXa6hqBqlLJqfJkX75svrmQoCY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=IEfhFXMQ; arc=none smtp.client-ip=203.254.224.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="IEfhFXMQ" Received: from epcas5p3.samsung.com (unknown [182.195.41.41]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20260122125136epoutp0362dec3f677fb68f5bc1c5a3b3c764772~NDp0j_MlP1177011770epoutp03i for ; Thu, 22 Jan 2026 12:51:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20260122125136epoutp0362dec3f677fb68f5bc1c5a3b3c764772~NDp0j_MlP1177011770epoutp03i DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1769086296; bh=eqqqBR9sIrPPiLooRmVHGEoq/jEmm2fgDXa+UvCsZgg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IEfhFXMQEG+/e7hWwPytiLk1wfLM52tVgZVeOa4Pla+Vqp2N7P7hBO6U4hOO/rUsg pHUTQL30OJrcqbHHs3dYaseFTwrKKJ4QCFD9t3vJC9UCA0BbW2d9Lx9DgmOiG9FlNR jEa+EjlODHCA1Vqq1KYPN3AoWlmTDBZAYyIKMb58= Received: from epsnrtp04.localdomain (unknown [182.195.42.156]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPS id 20260122125136epcas5p445cb6799dca47e130e8e4763f7671a18~NDpz9MGGu1352113521epcas5p4m; Thu, 22 Jan 2026 12:51:36 +0000 (GMT) Received: from epcas5p4.samsung.com (unknown [182.195.38.93]) by epsnrtp04.localdomain (Postfix) with ESMTP id 4dxgtH0gd8z6B9m9; Thu, 22 Jan 2026 12:51:35 +0000 (GMT) Received: from epsmtip1.samsung.com (unknown [182.195.34.30]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20260122125134epcas5p36625b7ac70b8dfba9430831a11955682~NDpynkwiU1556515565epcas5p3K; Thu, 22 Jan 2026 12:51:34 +0000 (GMT) Received: from bose.samsungds.net (unknown [107.108.83.9]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20260122125132epsmtip1e50006feabe8a79c690c5e08e5b397b4~NDpwzYlNb0713007130epsmtip1T; Thu, 22 Jan 2026 12:51:32 +0000 (GMT) From: Pritam Manohar Sutar To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, alim.akhtar@samsung.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, rosa.pila@samsung.com, dev.tailor@samsung.com, faraz.ata@samsung.com, muhammed.ali@samsung.com, selvarasu.g@samsung.com, pritam.sutar@samsung.com Subject: [PATCH v2 2/3] arm64: dts: exynos: ExynosAutov920: Add regulators for the USB Date: Thu, 22 Jan 2026 18:37:20 +0530 Message-Id: <20260122130721.205664-3-pritam.sutar@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260122130721.205664-1-pritam.sutar@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CMS-MailID: 20260122125134epcas5p36625b7ac70b8dfba9430831a11955682 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20260122125134epcas5p36625b7ac70b8dfba9430831a11955682 References: <20260122130721.205664-1-pritam.sutar@samsung.com> Add dummy regulator for USB and PHY supplies. Add vbus regulator that is enabled by GPIO pin. Signed-off-by: Pritam Manohar Sutar --- .../boot/dts/exynos/exynosautov920-sadk.dts | 139 ++++++++++++++++++ 1 file changed, 139 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts b/arch/arm6= 4/boot/dts/exynos/exynosautov920-sadk.dts index a397f068ed53..f90f7704597c 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts +++ b/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts @@ -52,6 +52,76 @@ memory@80000000 { <0x8 0x80000000 0x1 0xfba00000>, <0xa 0x00000000 0x2 0x00000000>; }; + + /* TODO: Remove this once PMIC is implemented */ + dummy_regulator: regulator-0 { + compatible =3D "regulator-fixed"; + regulator-name =3D "dummy_regulator"; + }; + + usbdrd31_dwc3_vbus: usbdrd31_dwc3-vbus { + compatible =3D "regulator-fixed"; + regulator-name =3D "usbdrd31_dwc3-vbus"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + enable-active-high; + regulator-always-on; + gpio =3D <&gpp2 0 GPIO_ACTIVE_HIGH>; + }; + + /* Use gpio for enabling vbus regulator */ + usb_phy0: usb-phy0 { + compatible =3D "usb-nop-xceiv"; + vbus-supply =3D <&usbdrd31_dwc3_vbus>; + }; + + usbdrd20_dwc3_0_vbus: usbdrd20_dwc3_0-vbus { + compatible =3D "regulator-fixed"; + regulator-name =3D "usbdrd20_dwc3_0-vbus"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + enable-active-high; + regulator-always-on; + gpio =3D <&gpp2 1 GPIO_ACTIVE_HIGH>; + }; + + /* Use gpio for enabling vbus regulator */ + usb_phy1: usb-phy1 { + compatible =3D "usb-nop-xceiv"; + vbus-supply =3D <&usbdrd20_dwc3_0_vbus>; + }; + + usbdrd20_dwc3_1_vbus: usbdrd20_dwc3_1-vbus { + compatible =3D "regulator-fixed"; + regulator-name =3D "usbdrd20_dwc3_1-vbus"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + enable-active-high; + regulator-always-on; + gpio =3D <&gpp2 2 GPIO_ACTIVE_HIGH>; + }; + + /* Use gpio for enabling vbus regulator */ + usb_phy2: usb-phy2 { + compatible =3D "usb-nop-xceiv"; + vbus-supply =3D <&usbdrd20_dwc3_1_vbus>; + }; + + usbdrd20_dwc3_2_vbus: usbdrd20_dwc3_2-vbus { + compatible =3D "regulator-fixed"; + regulator-name =3D "usbdrd20_dwc3_2-vbus"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + enable-active-high; + regulator-always-on; + gpio =3D <&gpp2 3 GPIO_ACTIVE_HIGH>; + }; + + /* Use gpio for enabling vbus regulator */ + usb_phy3: usb-phy3 { + compatible =3D "usb-nop-xceiv"; + vbus-supply =3D <&usbdrd20_dwc3_2_vbus>; + }; }; =20 &pinctrl_alive { @@ -86,3 +156,72 @@ &usi_0 { &xtcxo { clock-frequency =3D <38400000>; }; + +&usbdrd31_ssphy { + dvdd-supply =3D <&dummy_regulator>; + vdd18-supply =3D <&dummy_regulator>; +}; + +&usbdrd31_hsphy { + dvdd-supply =3D <&dummy_regulator>; + vdd18-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; + +&usbdrd31_dwc3 { + maximum-speed =3D "super-speed-plus"; + usb-phy =3D <&usb_phy0>; +}; + +&usbdrd31 { + vdd10-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; + +&usbdrd20_phy0 { + dvdd-supply =3D <&dummy_regulator>; + vdd18-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; + +&usbdrd20_dwc3_0 { + maximum-speed =3D "high-speed"; + usb-phy =3D <&usb_phy1>; +}; + +&usbdrd20_0 { + vdd10-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; + +&usbdrd20_phy1 { + dvdd-supply =3D <&dummy_regulator>; + vdd18-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; + +&usbdrd20_dwc3_1 { + maximum-speed =3D "high-speed"; + usb-phy =3D <&usb_phy2>; +}; + +&usbdrd20_1 { + vdd10-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; + +&usbdrd20_phy2 { + dvdd-supply =3D <&dummy_regulator>; + vdd18-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; + +&usbdrd20_dwc3_2 { + maximum-speed =3D "high-speed"; + usb-phy =3D <&usb_phy3>; +}; + +&usbdrd20_2 { + vdd10-supply =3D <&dummy_regulator>; + vdd33-supply =3D <&dummy_regulator>; +}; --=20 2.34.1