From nobody Fri Apr 17 20:22:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C37B923AB9D; Sat, 14 Feb 2026 12:29:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771072182; cv=none; b=Jo6la9Bkv8mf7zdXpJG/kfZx1m8ziWbNNMnPnh3RFjgXXLib1m896i/J1MUa7QKyY2LCQlsF4M9h+QBbYtSNYGYei53LDN1W4R27c7LNdlWf7q0gp/3CmXWyWrzSJdvvV3XNpuV7VIv+1w+61i5K4m5kYEfPq0g859IGLQFk5oQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771072182; c=relaxed/simple; bh=VfmU0lUs4Slg/JGUcPBhIcqCQuDwGNKonQhkwpcEyFU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JMZEyOephKj8vxqbJBRyX803/R8i56KoDEPQjONAuxWKubvXGaR40YwFK2X0gPF3g2IogE8bCg4ZUgImgh6S9KelkXbHGONA+lUHuoUWWHYGQBxHFHldp3Yob5C9eOU80dcuzP3180D75PyXJfVc3w25FDExJxph5sYEXrxxwpY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dYYvjytU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dYYvjytU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61A2FC19423; Sat, 14 Feb 2026 12:29:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771072182; bh=VfmU0lUs4Slg/JGUcPBhIcqCQuDwGNKonQhkwpcEyFU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=dYYvjytUAC3NXiq0SGPRURADH309yF5j7sKkzD2FZaggGJgm8SL5TrAOjM2npwOnQ NtCJc2SPVPfT6hTnYU6LIrzWuQoud5GyO8IAy0E98UxkuxnuIaobTxyHqnO94w7+oY iWmc87Tx02GXtrEFVBOHgLLCOLl7MqRg73d+uW0E0A0TiX9wyiG76lJ83WrlzqvKe/ FluisyammkRfQTTGpHfuYGtUrqLF7tSH1IALKM+NnHaJr5A7gJ/M88ibFIHJ7TGnLO OefebFD1QvZH1VGeHHjN0xsw1WW5+xC9bNoP929G8r+PrQ2fKjIrKGVhPvUs5Tu67o xIS54AkxIXTlg== From: Yixun Lan Date: Sat, 14 Feb 2026 20:29:14 +0800 Subject: [PATCH v2 1/3] dt-bindings: phy: spacemit: k3: add USB2 PHY support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260214-11-k3-usb2-phy-v2-1-6ed31e031ab4@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 , Krzysztof Kozlowski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1204; i=dlan@kernel.org; h=from:subject:message-id; bh=VfmU0lUs4Slg/JGUcPBhIcqCQuDwGNKonQhkwpcEyFU=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBpkGqk74oeID65Ro92lCV4S1UmpfWqKztQkaHpX wm05uUOB8SJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCaZBqpBsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+1/NQ/9EPpkiSAM4flTUD6Z54ieBpT27zD2O/Qb/o94Ub7O38OVWgKEjffKf IjF3QC+Yg1CC9uNhzolxccCY9Rd61lqHh0gYSvg223HNztJb/3KVIh46dOvdeOKRHX35z87Buix 0jX05MkKsBUwj4ZcoWo7+DCMx4GMl3vOxt4yYUT6YMFh/hiZuHHZPh7f6BSBPx/hvxD0esP7e6U mAt6+Zss+ge7WzmP8SMGDaO3CWmB1LXysncj8D01AUx8tjUn8ljgHfAJt8yLThSlyl/nROZyfHU iWMqXzpF4n307jNO25kRLQ0x+Pa+MvqFmI/bcAoCZbzGG2j3mkLX9Fx7D1n6IkCdFBQ09JsdAKL i5CLV8twPoBw3ZXPXxUI7yzRgwnT4z+EMxGtSWlL9ALW7v+BJFVmTOTVbgxdqqE1ZPnvDl7LEW8 Ol5Qhf2M9GWfvpbJIGKHUe90RY+oH6yMRB3Av4p+DyTI4SIjt/qRHLNh8GKOf1GpR+/YU1Y4iak yNHCxOHVqRbk6WYI8ItFQ6jeTecqG3eFDH2arZU1QHs+0iiPY0nh0fFXaKkMrfjl0Iy+0VEdMqt gJQmltBJikJY2MtIGq/idMcc50gf4tRa/0oIOdcIUs2k/GnxiB55FXxwLgZbhFHl+JkzCa6VNXk zrxYjLgmq1unKCr4cZ0o3gHkQOhQd4= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 Introduce a compatible string for the USB2 PHY in SpacemiT K3 SoC. The IP of USB2 PHY mostly shares the same functionalities with K1 SoC, while has some register layout changes. Acked-by: Krzysztof Kozlowski Signed-off-by: Yixun Lan --- Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml b= /Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml index 43eaca90d88c..18025e5f60d6 100644 --- a/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml +++ b/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml @@ -4,14 +4,16 @@ $id: http://devicetree.org/schemas/phy/spacemit,usb2-phy.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# =20 -title: SpacemiT K1 SoC USB 2.0 PHY +title: SpacemiT K1/K3 SoC USB 2.0 PHY =20 maintainers: - Ze Huang =20 properties: compatible: - const: spacemit,k1-usb2-phy + enum: + - spacemit,k1-usb2-phy + - spacemit,k3-usb2-phy =20 reg: maxItems: 1 --=20 2.52.0 From nobody Fri Apr 17 20:22:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1D80C23AB9D; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TOCosvLO" 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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 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 = */ =20 +#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; } =20 +static int spacemit_usb2phy_disconnect(struct phy *phy, int port) +{ + struct spacemit_usb2phy *sphy =3D 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 =3D { .init =3D spacemit_usb2phy_init, .exit =3D spacemit_usb2phy_exit, + .disconnect =3D spacemit_usb2phy_disconnect, .owner =3D THIS_MODULE, }; =20 --=20 2.52.0 From nobody Fri Apr 17 20:22:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 543F523AB9D; Sat, 14 Feb 2026 12:29:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771072191; cv=none; b=cufI/8beSHHVAGQuh689ceXAq6lLRwU+si5IXoW5RVFhTTboJX/A17DfWYCpLWmNWWjiiZqlJhwUpxIQYT4OMWiYdYKSNdF8jJC/QhJqhE9nTTOz8uhaAC3h/PVArOC9ihaUitUMYAXUlfM8lRDwouAyL3mjmT6p/0CNeZJx8U8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; 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a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 Add USB2 PHY support for SpacemiT K3 SoC. Register layout of handling USB disconnect operation has been changed, So introducing a platform data to distinguish the different SoCs. Signed-off-by: Yixun Lan Reviewed-by: Yao Zi --- drivers/phy/spacemit/phy-k1-usb2.c | 34 +++++++++++++++++++++++++++++----- 1 file changed, 29 insertions(+), 5 deletions(-) diff --git a/drivers/phy/spacemit/phy-k1-usb2.c b/drivers/phy/spacemit/phy-= k1-usb2.c index 959bf79c7a72..b4ba97481ddd 100644 --- a/drivers/phy/spacemit/phy-k1-usb2.c +++ b/drivers/phy/spacemit/phy-k1-usb2.c @@ -51,6 +51,9 @@ #define PHY_K1_HS_HOST_DISC 0x40 #define PHY_K1_HS_HOST_DISC_CLR BIT(0) =20 +#define PHY_K3_HS_HOST_DISC 0x20 +#define PHY_K3_HS_HOST_DISC_CLR BIT(8) + #define PHY_PLL_DIV_CFG 0x98 #define PHY_FDIV_FRACT_8_15 GENMASK(7, 0) #define PHY_FDIV_FRACT_16_19 GENMASK(11, 8) @@ -145,7 +148,7 @@ static int spacemit_usb2phy_exit(struct phy *phy) return 0; } =20 -static int spacemit_usb2phy_disconnect(struct phy *phy, int port) +static int spacemit_k1_usb2phy_disconnect(struct phy *phy, int port) { struct spacemit_usb2phy *sphy =3D phy_get_drvdata(phy); =20 @@ -155,10 +158,27 @@ static int spacemit_usb2phy_disconnect(struct phy *ph= y, int port) return 0; } =20 -static const struct phy_ops spacemit_usb2phy_ops =3D { +static int spacemit_k3_usb2phy_disconnect(struct phy *phy, int port) +{ + struct spacemit_usb2phy *sphy =3D phy_get_drvdata(phy); + + regmap_update_bits(sphy->regmap_base, PHY_K3_HS_HOST_DISC, + PHY_K3_HS_HOST_DISC_CLR, PHY_K3_HS_HOST_DISC_CLR); + + return 0; +} + +static const struct phy_ops spacemit_k1_usb2phy_ops =3D { .init =3D spacemit_usb2phy_init, .exit =3D spacemit_usb2phy_exit, - .disconnect =3D spacemit_usb2phy_disconnect, + .disconnect =3D spacemit_k1_usb2phy_disconnect, + .owner =3D THIS_MODULE, +}; + +static const struct phy_ops spacemit_k3_usb2phy_ops =3D { + .init =3D spacemit_usb2phy_init, + .exit =3D spacemit_usb2phy_exit, + .disconnect =3D spacemit_k3_usb2phy_disconnect, .owner =3D THIS_MODULE, }; =20 @@ -167,12 +187,15 @@ static int spacemit_usb2phy_probe(struct platform_dev= ice *pdev) struct phy_provider *phy_provider; struct device *dev =3D &pdev->dev; struct spacemit_usb2phy *sphy; + const struct phy_ops *ops; void __iomem *base; =20 sphy =3D devm_kzalloc(dev, sizeof(*sphy), GFP_KERNEL); if (!sphy) return -ENOMEM; =20 + ops =3D device_get_match_data(dev); + sphy->clk =3D devm_clk_get_prepared(&pdev->dev, NULL); if (IS_ERR(sphy->clk)) return dev_err_probe(dev, PTR_ERR(sphy->clk), "Failed to get clock\n"); @@ -185,7 +208,7 @@ static int spacemit_usb2phy_probe(struct platform_devic= e *pdev) if (IS_ERR(sphy->regmap_base)) return dev_err_probe(dev, PTR_ERR(sphy->regmap_base), "Failed to init re= gmap\n"); =20 - sphy->phy =3D devm_phy_create(dev, NULL, &spacemit_usb2phy_ops); + sphy->phy =3D devm_phy_create(dev, NULL, ops); if (IS_ERR(sphy->phy)) return dev_err_probe(dev, PTR_ERR(sphy->phy), "Failed to create phy\n"); =20 @@ -196,7 +219,8 @@ static int spacemit_usb2phy_probe(struct platform_devic= e *pdev) } =20 static const struct of_device_id spacemit_usb2phy_dt_match[] =3D { - { .compatible =3D "spacemit,k1-usb2-phy", }, + { .compatible =3D "spacemit,k1-usb2-phy", .data =3D &spacemit_k1_usb2phy_= ops }, + { .compatible =3D "spacemit,k3-usb2-phy", .data =3D &spacemit_k3_usb2phy_= ops }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, spacemit_usb2phy_dt_match); --=20 2.52.0