From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=203.254.224.34 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792761352; b=NTOGYNS/LtBvIuMvVlRdszNq5qvk0oCmsNu38DNrKfBKHrx/c5+OtLYFwNLshAtHpE1k zd7smjk4tQiiEP+/FRbMJXwXJcESb28WjLi+8FubpoenVBD5Ykdo3pJ4SCImhizf7FGtW n+qmgunK+GBJruTUcQ5bQXvkEpIbpUTDZ/BL2DipTTmet74YRbRQqjeNbAeCwF9YfLyxP dOrVdlKsofrcnnsGtdfZLUfwLAbyApfZfj8up4ECD67N1rRm8ERO9jwUsRIX8h5fflM7M ewBHGOaLedob3r6e8yKwrTjPhUhLFZip10Vre2eldBXZwUn1sdzmcqNGG1iWj15Q9sg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792761352; h=DMARC-Filter:Received:DKIM-Filter:DKIM-Signature:Received:Received: Received:Received:From:To:Cc:Subject:Date:Message-Id:X-Mailer: In-Reply-To:X-CMS-MailID:X-Msg-Generator:Content-Type:CMS-TYPE: cpgsPolicy:X-CFilter-Loop:X-CMS-RootMailID:References; bh=cdpF+fVt2Hy2HfAcjpixN/WDxEX2Gn1Ra3OqY32SpVU=; b=33Qa0w6gfv53GtPM28vNTcfkApBjPG5Ddd5bTNelTboi2/3tSLQBhzHPN6LORULUbtIk GEyCpDH9YiJoVfI9bqmpl11XNoFSQoW4pv0aoJpa5d4yeJF9+e0KhVwNZtj19AtFe/dmj lZAdqUy7famB8kO3C3IH6xnApqa6GbVil7YmBSrAWFRFHf0GAYDnHHERwYonEpxijo0Fc wzxLYH4Z3HPh425glCoM3YqOyeALN+l9roZJdX9Xg8pnlwi5PGBsi4RR+pX2g8+u34kBD 5oCP04PytKQ/7yHdYHadB3WQ5Ul2WkkR46tLrqY5LkagtnkBXFjpNmp7Psey9+1DJKA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass header.d=samsung.com header.i=@samsung.com header.a=rsa-sha256 header.s=mail20170921 header.b=mVGGwHjl; arc=none smtp.remote-ip=203.254.224.34 Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AA720606A327 for ; Fri, 23 Oct 2026 13:15:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org AA720606A327 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, unprotected) header.d=samsung.com header.i=@samsung.com header.a=rsa-sha256 header.s=mail20170921 header.b=mVGGwHjl Received: from epcas5p1.samsung.com (unknown [182.195.41.39]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20261023131548epoutp048b2e2c713cf2a8730929f50ef9897c66~hKvK-JDqo2459724597epoutp04a for ; Fri, 23 Oct 2026 13:15:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20261023131548epoutp048b2e2c713cf2a8730929f50ef9897c66~hKvK-JDqo2459724597epoutp04a DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1792761348; bh=cdpF+fVt2Hy2HfAcjpixN/WDxEX2Gn1Ra3OqY32SpVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mVGGwHjlJfnuh/4+7+Ci5EO+0VrPVE/ID3N16GY7xk2HufMz8Zu7DApt4jlTHlBa7 Kn2rzMwGmklvJWSYc8OYYp8/3WbazSLys/EwhLEjvJr5+KJNWo0S2D6LNDmPQCmemu Q41VhPDT0SfgZqQAvVd2It/p6hQFyxUGmb3YMlYo= Received: from epsnrtp02.localdomain (unknown [182.195.42.154]) by epcas5p2.samsung.com (KnoxPortal) with ESMTPS id 20261023131547epcas5p209499d6511be03591bb323d282998a0a~hKvJ8q5X10460604606epcas5p2V; Fri, 23 Oct 2026 13:15:47 +0000 (GMT) Received: from epcas5p2.samsung.com (unknown [182.195.38.88]) by epsnrtp02.localdomain (Postfix) with ESMTP id 4jB3Rk4SDdz2SSKY; Fri, 23 Oct 2026 13:15:46 +0000 (GMT) Received: from epsmtip2.samsung.com (unknown [182.195.34.31]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPA id 20261023131545epcas5p1eff195129ccfb0fb476d3c78e6a507bc~hKvIRFYpW3047030470epcas5p1q; Fri, 23 Oct 2026 13:15:45 +0000 (GMT) Received: from vega.samsungds.net (unknown [107.108.73.84]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20261023131542epsmtip2ba58969fa0472da8c45d845928488ab5~hKvFhqAQp0806808068epsmtip2C; Fri, 23 Oct 2026 13:15:42 +0000 (GMT) From: Selvarasu Ganesan To: gregkh@linuxfoundation.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, peter.griffin@linaro.org, alim.akhtar@samsung.com, Thinh.Nguyen@synopsys.com, selvarasu.g@samsung.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: jh0801.jung@samsung.com, h10.kim@samsung.com, dh10.jung@samsung.com, akash.m5@samsung.com, hongpooh.kim@samsung.com, eomji.oh@samsung.com, shijie.cai@samsung.com, muhammed.ali@samsung.com, thiagu.r@samsung.com Subject: [PATCH v3 1/2] dt-bindings: usb: Add Samsung Exynos8855 DWC3 controller binding Date: Fri, 23 Oct 2026 18:45:00 +0530 Message-Id: <20261023131501.3157463-2-selvarasu.g@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20261023131501.3157463-1-selvarasu.g@samsung.com> X-CMS-MailID: 20261023131545epcas5p1eff195129ccfb0fb476d3c78e6a507bc 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: 20261023131545epcas5p1eff195129ccfb0fb476d3c78e6a507bc References: <20261023131501.3157463-1-selvarasu.g@samsung.com> X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Add the Samsung Exynos8855 DWC3 binding using a flattened node representation, where the DWC3 controller is directly addressable rather than nested as a child node of a glue layer. This is the first Samsung Exynos binding using the flattened representation. Co-developed-by: Muhammed Ali Signed-off-by: Muhammed Ali Signed-off-by: Selvarasu Ganesan --- .../bindings/usb/samsung,exynos8855-dwc3.yaml | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/samsung,exynos8855-dwc3.yaml diff --git a/Documentation/devicetree/bindings/usb/samsung,exynos8855-dwc3.yaml b/Documentation/devicetree/bindings/usb/samsung,exynos8855-dwc3.yaml new file mode 100644 index 000000000000..d8983c310d31 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/samsung,exynos8855-dwc3.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/samsung,exynos8855-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos8855 DWC3 USB controller + +maintainers: + - Krzysztof Kozlowski + - Selvarasu Ganesan + +description: + Describes the DWC3 USB controller block implemented on the Samsung + Exynos8855 SoC. + +properties: + compatible: + enum: + - samsung,exynos8855-dwc3 + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + description: | + Two clocks are used: + - ref: Reference clock for SOF/ITP generation. + - bus: Bus (APB) clock for register access. + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: ref + - const: bus + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +allOf: + - $ref: snps,dwc3-common.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + + usb@13200000 { + compatible = "samsung,exynos8855-dwc3"; + reg = <0x13200000 0x10000>; + interrupts = ; + clocks = <&usb_clk 0>, + <&usb_clk 1>; + clock-names = "ref", "bus"; + dr_mode = "peripheral"; + phys = <&usbdrd_phy 0>; + phy-names = "usb2-phy"; + snps,quirk-frame-length-adjustment = <0x20>; + snps,dis-u2-freeclk-exists-quirk; + snps,gfladj-refclk-lpm-sel-quirk; + }; +... -- 2.17.1