From nobody Thu Apr 2 17:16:01 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 B748E231830; Thu, 5 Mar 2026 01:01:14 +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=1772672474; cv=none; b=XdIiFn47NkBwQoP+1VyUyJf2GyUO4aIyhvStdABWmKo53HHuuSOBYvEGr0w1STFCvt/EM2ADcdhOp6aFZXEP4UPIV6NbneF2LZYo/mvPar7iBkefm9Gy3TSws1Tm9QdiTK5CK3KOWar3G+cWlNlGvM92h9Uy1eJ0ioLdGiBOvg0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772672474; c=relaxed/simple; bh=GURYD6cv/JMm5jM3qsw55jv7RRAQJ3j0qjIAdCjx5DY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Pad0o9GVBhgo/yZVvjQUjnfbMDZK2lsXIe8IXkc12EHBTK1vgyWUDqgl4Mx7osHSgoK1WTHzggbKjmz3uQcQ4YKfNO02yVvu+pqIobx5ZMlc6rQbeLXPy9MZ3VcYWMDn/9sqCng9wm/FpOAeWr1RQE5eSNc31nRPBa4FjKgOVSk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LXTmiWDe; 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="LXTmiWDe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0BDC4C2BCAF; Thu, 5 Mar 2026 01:01:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772672474; bh=GURYD6cv/JMm5jM3qsw55jv7RRAQJ3j0qjIAdCjx5DY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=LXTmiWDenxzHw6laYParIy93zYr1qAfct79+t+YLZQ2uKHcxfB5E0g1jCl5KaSQ98 eDOtIneDq++nDWiwVgflguxNC/zZQyvzn/zYFJT+suliQ2HzbKw5RXgciT3ZhQv7yD zzh//qk0myGqdn+6ek8PSgSb85gBwJiZ/oWqVP3uKk3lGvI9zADcdHuTa+eq2RyY8G u1soZwltWZgIEaM/d3M3ggaBGRpzdl/Y4duaNM9gnGK305XfFr5DEYYISy/iWoswFE szziH15zo+vFHBwiMWUVQaSjjjUul+++n7DTd0kc8Cfxu5PrfrRUTUYFGQMwlMFJPL 5tt9dc7w25M/g== From: Yixun Lan Date: Thu, 05 Mar 2026 01:00:51 +0000 Subject: [PATCH v4 1/2] 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: <20260305-11-k3-usb2-phy-v4-1-15554fb933bc@kernel.org> References: <20260305-11-k3-usb2-phy-v4-0-15554fb933bc@kernel.org> In-Reply-To: <20260305-11-k3-usb2-phy-v4-0-15554fb933bc@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=GURYD6cv/JMm5jM3qsw55jv7RRAQJ3j0qjIAdCjx5DY=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBpqNXNYLMSPX3JIB5qTzwbP8PmAUupnsAONHCWI 0KjF0fKKeaJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCaajVzRsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+0R8A//WuNJ6TuuxBn2h4o4pJDAzkw0BdZ9SXiRUyuhn6hhrjuObMxtq5DdX CQqykwTr4vS84WTGVdh/AuJvQxtH3rdi08oWEwCtgUsQNbML8LUzSQg/q36wlM/ES0ySwpfusin WWbMnZCaU9niINeV5h0NwSFhiHb7DRfZ/3XWVza0OPdhCMKaSMDZWm5Sga/OnpFczjNKo0uCAGT PpnJWViK8zCyYiq+rNvTYGAqMpKlELL6ylRF1lkAU1eLxOwUGHen4AVLam+vbX0e1OinltAlQJ+ 6mZ6dK5HEkmTcwAPVTdpo1+TNERDibeTKHa0SIDXeWMAN0pe7pOHjA1hcKPacKRj3Kp942qVWKc teDefp8dWQxl7Tsfskp3n3OU17s3mWaKkrdX+Rk1Yn/qYvz0c6afX3oM86qdwJEpCgGUpMMzAbn iX+hZYa8qDo/NoJ75Zqc69vO7f/o2GrDgljB8PGjzXruh4RLq6kGe4pqghc5xgDUIfBn52eK44Q qQn7Wn6tTo1QHpvfUU7UuzmkODvoCF+GYUhP9Lp8v8y5vQlk5+4vh0DoiXklFde/liUPzmw78Pp rSTWqY/y3VbTqBxOPIGXgVRK2dPRA0mjz8tNOt5r+vKPsy8D9ALQvdn6WZrrTJVXL1IlRfyxuzq 2063tI/oMlMy0u2g8+d2wkTiVq8XTw= 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 2.53.0 From nobody Thu Apr 2 17:16:01 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 C9062203710; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Co5AAq71" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BDFF1C4CEF7; Thu, 5 Mar 2026 01:01:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772672477; bh=OifWCP3vKhA76Fxz0repuDACNgSR1+4dScnDDulrEWs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Co5AAq71WtXBQ39bsUV3pnWurkEvHENiYLZkXRZD0OpRZvzfmbx6CJIqv3IG9Dh3H 5ZGqsQcZGPY9UpDLbUeyC4mXKmE+u1L4gLP1JtnGLuvLCriJCx0P3jZYo+Nhpv5P9t Rp9DewiDAYEKKHKCiTp3un5S6OyRFkEPjByzwMILbvRx6GD+gCdntQMq/HL2ShuhXH TJn70oEefhez+RiaiMjgyUajLC0mVaG35eqSegA2LpH2JBH1W1MCIuwP9ri97H2ZJi Enq9CAjjjcxvAIl0oPr/+mk39+StyWq7pfRy4qJs7x10KIBL2adrmAA+2pnVIvT7y4 BI3yg7eU/eQ1w== From: Yixun Lan Date: Thu, 05 Mar 2026 01:00:52 +0000 Subject: [PATCH v4 2/2] phy: k1-usb: 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: <20260305-11-k3-usb2-phy-v4-2-15554fb933bc@kernel.org> References: <20260305-11-k3-usb2-phy-v4-0-15554fb933bc@kernel.org> In-Reply-To: <20260305-11-k3-usb2-phy-v4-0-15554fb933bc@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 , Yao Zi X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3549; i=dlan@kernel.org; h=from:subject:message-id; bh=OifWCP3vKhA76Fxz0repuDACNgSR1+4dScnDDulrEWs=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBpqNXQ52oxOWLTT0KQ3j/qZu7FHDVIWtIXTea/3 450zd6HzEWJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCaajV0BsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+3t9w/9H0QtQhU6nZ1JAXa70DL+bIwvjt1cZZ605FMaIVCwQICVj2kohBDwn 4EYFUlsp9Kp5K7Q8KUdXgibW578McfczTbYzShSejl+b1rXCQTMOC63MZEyAkev2yGfY5XBGxnf fXTKB7nVK/TiWP45/O56a75ZjFd2X5Ljsrh1OSFggOYXQm1SCSIh7WBFWDpqfnKsimoYXBc71Az nHfo9dGns0yKtW835cEQbjfvK106g4UzahC6sOZFc7wfL5JFuLazDZaCtaldpO2Hl4d/5dt3ixa fxWqeo+1eu3V4MF4Ol5WyL1y5kZJAGHou937A+b1o3URRqPgxjpr7yFK9l9HxtT9rF3ObNrJknK D3W8cCxRr8e/GtBaRQMk0w9W5zEiyaFs3X+5FPo67j8EpFQgHvIxD9AeQSG/8JwF+VqCA4Hs9aX i9EeQ5OF1zFMKfWEc1jytfwJSNUIAmyCirfmpqGaGimUXhNJ7QtWKHEDwRgXBbc2FY0KIgjf4zS 2OImc1ZmALKLVKc15i+CWdef6Zz1G5HMfy/zMrsv6ID+30yo9aXY20mDEW2ComxH8NuPxzFdeCa fLBztPkLT/97KsN6kUXT2OwV6ShKGXjB6zsIg1RWLcGvOfp0by1szH0P+QAKnhLJioy0ztOj1uQ wGym+6VWGgwN0p/37QqVA0MuLM+pLs= X-Developer-Key: i=dlan@kernel.org; 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. Reviewed-by: Yao Zi Signed-off-by: Yixun Lan --- 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 9215d0b223b2..87b943d9111f 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 2.53.0