From nobody Tue Dec 16 02:58:46 2025 Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) (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 163AB30E856 for ; Wed, 29 Oct 2025 07:16:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.254.200.92 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761722178; cv=none; b=iX2jVmVWr66QdEjpHq6plw8QxaPt0rTWbNeRxd9CmxEmCzeCpokkWw+buy0nbZ8g/K4Nk0O58rNFxTEaTtNFQ8IRARVeW82vyAwCYbn7O2EmopNnOHsiecJ/y+SM+3svfcql70CVsrFIjece3/MV67Rsvfs2jB0P8NEbl2M+LQ8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761722178; c=relaxed/simple; bh=HysgThJSB58INGyifNQGXbmX0lFauL5Bf5bQD741kwA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=cmMxMmNderSpzVMfDiVz9+z2pHKS6mFXN00UA4ZJS0IAO8c4vg8UFkZVzOBFpD1Y+RZFmMit8AE6faaEdvzrn5OSZoN0a8sMD1NioLZ0BHomthTmwUCLUCz2mWMHhrRXBn3an0Bmv/D5muHV4e1MkXRRib2DrBA4ugFEN5F0Zis= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=airkyi.com; spf=pass smtp.mailfrom=airkyi.com; dkim=pass (1024-bit key) header.d=airkyi.com header.i=@airkyi.com header.b=ZA36WjG8; arc=none smtp.client-ip=54.254.200.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=airkyi.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=airkyi.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=airkyi.com header.i=@airkyi.com header.b="ZA36WjG8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1761722116; bh=AFQcoHE/dlPx/r75ImuKZ7C8fGQ0d+TgBuYEF1fP98Q=; h=From:To:Subject:Date:Message-Id; b=ZA36WjG8lUhyCNfN8X+g6+oiDFK43UsQ+3/VGANeCeklTPe+WntJapcggALLRBnum IgNak6kvYBnXr0xZeJx3q1ZYI3Aj+95IIEFDRH+nhwO+df1mKF8WtE0tV8fCN1PWb+ hJzB0GTHs8yd6i3UFkUnh4QYGMRYpeNrr4Av9KXs= X-QQ-mid: zesmtpsz6t1761722113t4c4a24c5 X-QQ-Originating-IP: WMfK1js/UW7s6StnIpjDkyDreu4Jf2mWtPcMyatS3g4= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 29 Oct 2025 15:15:09 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 14311052351362136618 From: Chaoyi Chen To: Heikki Krogerus , Greg Kroah-Hartman , Dmitry Baryshkov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Chaoyi Chen , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org Subject: [PATCH v8 06/10] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge Date: Wed, 29 Oct 2025 15:14:31 +0800 Message-Id: <20251029071435.88-7-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251029071435.88-1-kernel@airkyi.com> References: <20251029071435.88-1-kernel@airkyi.com> X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:airkyi.com:qybglogicsvrsz:qybglogicsvrsz4a-0 X-QQ-XMAILINFO: NnBlO8MsmACrRff/5IWYDaIcxcnVMxjOCZjMKnz7TA01DAkSJzQId/Gm lGe0VHLlyDOkxjAK6l1URU32pwzsHr3NB1Dh8AIFMd9nGrY2ktN/+j7jFCmYdruOGMOVw8x BLUmY3dJ0lFuKLCyRSrCbpfVkhzxASwsy5kL5Ob0l8KQDVrM1LWm32VzNzB39Fxi0JxxNul /XlP+9TRgWB0JMlnF0AXYHRdHvuU7X484Ua1TjMlzwg7xNkTaAX4sXZQph3Enh1K1o6gXfV R1bdh8GF7m4oFZ/pvKE9yLhJlHveepAgYsYt0Jl6WbG8LVitO/L2RdXyL91PPMPMp4IU5cZ QZscCQ0mEQINC2s3Xdi3kdnj4z1+Bp4s+BxLT2jE+rd33R/IjdSHCy2p/X2KU1Z1KhWDErM rCKlk8WEfi/vtyORRwT3jmQvsnkPvbxiO+J0TRDAK7t6EbKkPa6LjkwN+Y9IV+eFqbxNfl3 2BaTzahrrWE5rkdYS3ri8jnjMhkTowDNIU+3l7+7EKZY/8Lem5IK5eaoGESpjkutZY86nrE wt+yLCLMF9/C8kPAJ/0u7vQJk70vl3bmiyZVkIiKrUBjQ0kqyiRyRKXUaWvFY/tfRj40Tbv 1vF3Qi05rORYB6QQQ0oem6bUqRfPtml0iW1COO37eOlyMW6m6ev73+f6Zv5Ro+73+WKy/o/ CnndJlvu9jCC9HP2RlKjik4pw4yMOYOD2j7VHUsdQbNj5lEEFM3nVLQ/zKttuseYAJ77Ibv isysfa4ZvcUmNnlQRx+5NDYmgd8QtCEWPooOdyYcaP3PMEBqPQsW9zv3vi4ygRRaTTU1yMv U6jXxmC8CmuQeKIFv4OExzv71+g5C9H2ZYHOqqM0E6/PVNvL1dBhUS6M5uP2a2fo0xkB88l fU5tU/BSdojyDj7SqZZNbBGCcSriuSSIyd3Ru3s3H2Xq5OIYwS8OPVH8zvRzj0xNMO2b/ql oDhuzDOQSndjhTNzTl70Z6opBGTzrORRNJ1O/PhrUm+tav1M8DYaAASvQ2lb5p6332Nir+y ba6bF8UagMkIAKQaFGDmL0ktTQ4lYGUrzBmBDRNA== X-QQ-XMRINFO: MSVp+SPm3vtS1Vd6Y4Mggwc= X-QQ-RECHKSPAM: 0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Chaoyi Chen Using the DRM_AUX_BRIDGE helper to create the transparent DRM bridge device. Signed-off-by: Chaoyi Chen --- (no changes since v7) Changes in v6: - Fix depend in Kconfig.=20 drivers/phy/rockchip/Kconfig | 2 + drivers/phy/rockchip/phy-rockchip-typec.c | 52 +++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/drivers/phy/rockchip/Kconfig b/drivers/phy/rockchip/Kconfig index db4adc7c53da..bcb5476222fc 100644 --- a/drivers/phy/rockchip/Kconfig +++ b/drivers/phy/rockchip/Kconfig @@ -120,6 +120,8 @@ config PHY_ROCKCHIP_TYPEC tristate "Rockchip TYPEC PHY Driver" depends on OF && (ARCH_ROCKCHIP || COMPILE_TEST) depends on TYPEC || TYPEC=3Dn + depends on DRM || DRM=3Dn + select DRM_AUX_BRIDGE if DRM_BRIDGE select EXTCON select GENERIC_PHY select RESET_CONTROLLER diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockch= ip/phy-rockchip-typec.c index 1f5b4142cbe4..748a6eb8ad95 100644 --- a/drivers/phy/rockchip/phy-rockchip-typec.c +++ b/drivers/phy/rockchip/phy-rockchip-typec.c @@ -36,6 +36,7 @@ * orientation, false is normal orientation. */ =20 +#include #include #include #include @@ -56,6 +57,7 @@ #include #include #include +#include =20 #define CMN_SSM_BANDGAP (0x21 << 2) #define CMN_SSM_BIAS (0x22 << 2) @@ -415,6 +417,7 @@ struct rockchip_usb3phy_port_cfg { =20 struct rockchip_typec_phy { struct device *dev; + struct auxiliary_device dp_port_dev; void __iomem *base; struct extcon_dev *extcon; struct typec_mux_dev *mux; @@ -1299,6 +1302,51 @@ static void tcphy_typec_mux_unregister(void *data) typec_mux_unregister(tcphy->mux); } =20 +static void tcphy_dp_port_dev_release(struct device *dev) +{ + struct auxiliary_device *adev =3D to_auxiliary_dev(dev); + + of_node_put(adev->dev.of_node); +} + +static void tcphy_dp_port_unregister_adev(void *_adev) +{ + struct auxiliary_device *adev =3D _adev; + + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); +} + +static int tcphy_aux_bridge_register(struct rockchip_typec_phy *tcphy, str= uct device_node *np) +{ + struct auxiliary_device *adev =3D &tcphy->dp_port_dev; + int ret; + + adev->name =3D "dp_port"; + adev->dev.parent =3D tcphy->dev; + adev->dev.of_node =3D of_node_get(np); + adev->dev.release =3D tcphy_dp_port_dev_release; + + ret =3D auxiliary_device_init(adev); + + if (ret) { + of_node_put(adev->dev.of_node); + return ret; + } + + ret =3D auxiliary_device_add(adev); + if (ret) { + auxiliary_device_uninit(adev); + return ret; + } + + devm_add_action_or_reset(tcphy->dev, tcphy_dp_port_unregister_adev, adev); + + ret =3D drm_aux_bridge_register(&adev->dev); + + return 0; +} + static int tcphy_setup_typec_mux(struct rockchip_typec_phy *tcphy) { struct typec_mux_desc mux_desc =3D {}; @@ -1312,6 +1360,10 @@ static int tcphy_setup_typec_mux(struct rockchip_typ= ec_phy *tcphy) if (!of_property_read_bool(np, "mode-switch")) goto put_np; =20 + ret =3D tcphy_aux_bridge_register(tcphy, np); + if (ret) + goto put_np; + mux_desc.drvdata =3D tcphy; mux_desc.fwnode =3D device_get_named_child_node(tcphy->dev, "dp-port"); mux_desc.set =3D tcphy_typec_mux_set; --=20 2.49.0