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 E9208EF99FF for ; Sat, 14 Feb 2026 12:29:49 +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=TghJ1UzRV6oSp1xQefRyiqD2f2hi4Q/dVp9nszDGbGs=; b=BuuGLwWmU5JxIT zr5EYWQ0uxK6Lr7JE4EsUl+A/4qQ0R2jLjOQhRx6LOzq5IPYb95FbYK7xNWGLZMxE0qQvPnxsz5wN c3G+f+37piNGN8O/Zfv5t0sziQBa1yJVp7n+RjojZbkRAKFn4svPSiUH61YxEp6ZRGUDmYLMUsNVT CWnXBMJ6tDnoNccLPDlcFJW9m3ufc5on9xypv3RFKn1wM6W0tzn9vvuKm7DjzMv99joF794p0irpF xm2kWo2zYOVKb689UJNa+TifZ5vbJhX8pv5Mcp6ddA/P/NQ/L/BazRqljinDSn9WXa+UcKHE46dV3 tXH/uF5oNzCvG8VjDiqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vrEmT-00000004X04-2eeU; Sat, 14 Feb 2026 12:29:49 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vrEmR-00000004WzY-0bZl; Sat, 14 Feb 2026 12:29:48 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id D1D35412EF; Sat, 14 Feb 2026 12:29:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39AD0C19424; Sat, 14 Feb 2026 12:29:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771072186; bh=R/+dzl78ImcyJC3ajMsl4sx1pTb167EmQ3u/ZqNDDqo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=TOCosvLOUkpUvSy3Cd6K0bENEMRdr8eqgsnwRfG++apQa4xCbrOYaxOAEQOkmnegl hiFU6jdGKrk1m1yS2mcaN1XFCPVRGZ4ni4B+b2ORa/KNuV3XL0AlnNPoeDTVSiBJMD xhC9kSInq2I+Cf7g6LYE4386PIJKpvGgYsR6FKMc35dFzcVQtN2VaqyjMXUn6nrdTN 5VAIrnz7m3DwhTLZygeaSRMGI4UAzTb2PCBgbtVkADLgr5RpttEmrNzHSziWEU+ZTQ OsGXWcvXXWCqS67f5OSWyG0n2oNqrlZ/LswPcYlrsqVTduHFEsm7faDMxmLGHrcd+G XeMynLklz0U2w== From: Yixun Lan Date: Sat, 14 Feb 2026 20:29:15 +0800 Subject: [PATCH v2 2/3] phy: k1-usb: add disconnect function support MIME-Version: 1.0 Message-Id: <20260214-11-k3-usb2-phy-v2-2-6ed31e031ab4@kernel.org> References: <20260214-11-k3-usb2-phy-v2-0-6ed31e031ab4@kernel.org> In-Reply-To: <20260214-11-k3-usb2-phy-v2-0-6ed31e031ab4@kernel.org> To: Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ze Huang Cc: Junzhong Pan , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Yixun Lan X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1552; i=dlan@kernel.org; h=from:subject:message-id; bh=R/+dzl78ImcyJC3ajMsl4sx1pTb167EmQ3u/ZqNDDqo=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBpkGqncnS5ukAYLLDhRo+37cDaebjFw+ClkAS/U +HXtIFVj+OJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCaZBqpxsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+2LYw/9GmtDDMqAa3Y1Jed10EBIq4pzQY4v9WhRDJ3j+Ip7ZrWx+RSyemVLO sk/PefMncMZU2B5mUQ4JVWzwG3u2RruugSo0H5IYBWz44316Z7zXz8m2S/v1hCu4tTIAIZ3mk+h bspF9ZZeuXmWgeWabUcFouHZe7FVd3pDCbyyuwtsVAy9elAtrPGHy5t5E/8STNa1VEQ4WXeDIZ9 HJqUHqvFqrjtB4hrWof1wgmG0q5UW5v2wMdthSkt3XYN8zxkGC81rKCF6KiHGeFhB4HLQLTObz9 e6QjNG8Kers/pIbWA1JXZ1y0bZYyO5CE1QTrCeavUwrhdEBOtwuRmGtByQbZ5Wtyu/KgN2WEzSJ jT8amA6uDy8BY86D6cJ1pGU1UxuTcKTvGDFs6kRpAEyFMMU2uyBFpT9dHP23iW5aLKrvuytRFLq pn06wxWNEDVeTdlwBIdnhRkpLv5ZMCjr7+5daUC2eniz3Ebz4VH/kiq7D7vMz4/YpdFp51pWK/y 7UvOPWJjUtYIR/78n8L6zs/TeOt1ht+q12qfrXn/cjV7cegrJynZkSj0bJtMWtW93p+v3CBmiAF aeZoVG67e8EebdjXKBc/q8GGrM/jCj6a8LYsJeqRm5+Cw9FgQyWJOBX1yOcKk2MAiJt17iLN6x9 c8eGwaJWOfmMQfdlwsQOycPHEN0Mn0= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260214_042947_231010_B2852C00 X-CRM114-Status: UNSURE ( 8.51 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org A disconnect status BIT of USB2 PHY need to be cleared, otherwise it will fail to work properly during next connection when devices connect to roothub directly. Fixes: fe4bc1a08638 ("phy: spacemit: support K1 USB2.0 PHY controller") Signed-off-by: Yixun Lan --- drivers/phy/spacemit/phy-k1-usb2.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/phy/spacemit/phy-k1-usb2.c b/drivers/phy/spacemit/phy-k1-usb2.c index 342061380012..959bf79c7a72 100644 --- a/drivers/phy/spacemit/phy-k1-usb2.c +++ b/drivers/phy/spacemit/phy-k1-usb2.c @@ -48,6 +48,9 @@ #define PHY_CLK_HSTXP_EN BIT(3) /* clock hstxp enable */ #define PHY_HSTXP_MODE BIT(4) /* 0: force en_txp to be 1; 1: no force */ +#define PHY_K1_HS_HOST_DISC 0x40 +#define PHY_K1_HS_HOST_DISC_CLR BIT(0) + #define PHY_PLL_DIV_CFG 0x98 #define PHY_FDIV_FRACT_8_15 GENMASK(7, 0) #define PHY_FDIV_FRACT_16_19 GENMASK(11, 8) @@ -142,9 +145,20 @@ static int spacemit_usb2phy_exit(struct phy *phy) return 0; } +static int spacemit_usb2phy_disconnect(struct phy *phy, int port) +{ + struct spacemit_usb2phy *sphy = phy_get_drvdata(phy); + + regmap_update_bits(sphy->regmap_base, PHY_K1_HS_HOST_DISC, + PHY_K1_HS_HOST_DISC_CLR, PHY_K1_HS_HOST_DISC_CLR); + + return 0; +} + static const struct phy_ops spacemit_usb2phy_ops = { .init = spacemit_usb2phy_init, .exit = spacemit_usb2phy_exit, + .disconnect = spacemit_usb2phy_disconnect, .owner = THIS_MODULE, }; -- 2.52.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy