From mboxrd@z Thu Jan 1 00:00:00 1970 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 9DDC8214812; Thu, 16 Oct 2025 02:28:43 +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=1760581726; cv=none; b=qgVSMoJ4h4KhH/V9D50ZTYQEgLqRIQr0mMI3j9IECMt1zylr22XUdccVyT6GJRGVTxKnoqKesFXrZnD6e1v5A6vXFsisuT5SXaKLeixAVqR5SMcN2Vbb/r6o1YyHfbV9b9xZDW9tseMB+/0jHhYJwA7/A5rWRFouifZ/KOch68g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760581726; c=relaxed/simple; bh=3IrJq2eY7H58BhtqUIT1x/6vJnGaTeTxDX146pHI90M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=V5hRl3Hx2MjaqP3m0EeEw9KrY+iy5mG9P3dXuxspb1eYmv2MbGz6xsZstvgkm20w0bfbdfh3k0KWEq/Xiwdqo85rHR5o9DxKE83GbevjVVhDA+shL/7YingrfOTvYLe7zNgZUvDiI4JwNqobLxYXhb4KE3fcVnr8KpFo2x3enTc= 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=GPUk5rh7; 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="GPUk5rh7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1760581695; bh=i25gNlDAtw8b5HK1jAZXBoV/IQCgdqvoMWGREg/E/KM=; h=From:To:Subject:Date:Message-Id; b=GPUk5rh7mMqjgsxEC1/munKSS+h9QPAfQvRACESSoENYcTw5clr8Kpqwis4Zs84un BqpQjvxAM7BY9mzpV92DqVhakILGXv/0EVPWa6Vd9LwYCDsZeCsPhKDNWqPrFwK/RJ YNcJycuncnHwcCF2fW9mG1KTTh/EqwbBiV9nTRkQ= X-QQ-mid: zesmtpgz1t1760581693tcd70b443 X-QQ-Originating-IP: VcuS+Dxp0BYExURU8Vsw6C9TnS/E0vZwDdscGFf6LgY= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Thu, 16 Oct 2025 10:28:11 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 12339062551155621707 From: Chaoyi Chen To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Heikki Krogerus , Greg Kroah-Hartman , Chaoyi Chen , Dragan Simic , Johan Jonker , Diederik de Haas , Dmitry Baryshkov , 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 v6 4/8] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge Date: Thu, 16 Oct 2025 10:27:37 +0800 Message-Id: <20251016022741.91-5-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251016022741.91-1-kernel@airkyi.com> References: <20251016022741.91-1-kernel@airkyi.com> X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:airkyi.com:qybglogicsvrsz:qybglogicsvrsz4a-0 X-QQ-XMAILINFO: N2bAIxLK0elnxzwM3GPcOMqS01K4312xqBbjR7dK+BPWVl+VPlGReoLj vmqTEScDKZK+c5TBsvDAitd/kYLsI22wObvHJVvy3tj06Y+CJKyR6p5Z5qrjCbmB+MssEb6 aHtodOzYBiJDTeyEIC0O0vPK16rtyOD7Q9Bqs1SQGxNKvHMutOEe8ynVz3vpj2+FatLK0aH D/rztYL3jwF/NSKXQBCccgp5lDSS3Dn6oshsODQAsuXLNAem3//0dek5d1YsCApoUwGyxTJ E6hQJZGQVwA/PIlO937X/OisBCx3OjruiFZN81s1cosbh1OkuMLnh4GPWKj/q2H3HVJwbeK xu82FMZxJI6lfTJTpaRSNeERbfk8npm61zguFRu7gnziYW8gUubJONZGEByqvFHH0iFuQS3 ni/E00gU2N3qeTAoUm0H4P0DPBc3U5qt1mvJ9X8kJ1fGak8g5Xw1PYWW34mnpLCk3ojwxHI XUiUHa5+6crSiOmQz7Ae5EiOq3qRQCHmQXAdQNCnLk3RYcYk2evcCQkL2Q3ljIPNeqFFk9R gUzCMog/evEY+kEVVaZFNoRSoesWtUnVv9Fne259q/Dhkgujq+HH6J0V55XAZU2fbPBeuAB 6Lgtnyfk4yVt60hBSXkfcciiuspqtVQKCtHkN5YB3e1fAND372L9S2Omfi4wykikXc7XPjH N7ESDA8Hp+jp8jF0htTBL7MMy9UI/3IZuP0o/33ipUhMOyoZefPcTuLDne5s/mrdn0A8Wvr MXI+qV16re9DfWaq6VRGPuWd1O0pd2hSicIrGVPYTiGdo7w2BsBEdPRJY0ONPRNkx4rk2wK PwfVcVQJzHwrnGQlA0S4JTbOzVn4D2IV+DPM0AEm00oT0pEz94osWn8o7r5n9SjswkyiwcY wXrl1dq9ss1FrImzXqwtLkboJIWsrlKkbmmtrdLSfWsU+VUVkmYB6nKPa6rUgdGRsCv7p9U k9wjdvxBbS12bXlxO14XkL5gzpkpTPaxHD0D9lewry8ZumSo+kW5UNlwkGzQn13W71rJZl6 qHteDqqA== X-QQ-XMRINFO: MSVp+SPm3vtS1Vd6Y4Mggwc= X-QQ-RECHKSPAM: 0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: From: Chaoyi Chen Using the DRM_AUX_BRIDGE helper to create the transparent DRM bridge device. Signed-off-by: Chaoyi Chen --- Changes in v6: - Fix depend in Kconfig. 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=n + depends on DRM || DRM=n + 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/rockchip/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. */ +#include #include #include #include @@ -56,6 +57,7 @@ #include #include #include +#include #define CMN_SSM_BANDGAP (0x21 << 2) #define CMN_SSM_BIAS (0x22 << 2) @@ -415,6 +417,7 @@ struct rockchip_usb3phy_port_cfg { 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); } +static void tcphy_dp_port_dev_release(struct device *dev) +{ + struct auxiliary_device *adev = to_auxiliary_dev(dev); + + of_node_put(adev->dev.of_node); +} + +static void tcphy_dp_port_unregister_adev(void *_adev) +{ + struct auxiliary_device *adev = _adev; + + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); +} + +static int tcphy_aux_bridge_register(struct rockchip_typec_phy *tcphy, struct device_node *np) +{ + struct auxiliary_device *adev = &tcphy->dp_port_dev; + int ret; + + adev->name = "dp_port"; + adev->dev.parent = tcphy->dev; + adev->dev.of_node = of_node_get(np); + adev->dev.release = tcphy_dp_port_dev_release; + + ret = auxiliary_device_init(adev); + + if (ret) { + of_node_put(adev->dev.of_node); + return ret; + } + + ret = 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 = 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 = {}; @@ -1312,6 +1360,10 @@ static int tcphy_setup_typec_mux(struct rockchip_typec_phy *tcphy) if (!of_property_read_bool(np, "mode-switch")) goto put_np; + ret = tcphy_aux_bridge_register(tcphy, np); + if (ret) + goto put_np; + mux_desc.drvdata = tcphy; mux_desc.fwnode = device_get_named_child_node(tcphy->dev, "dp-port"); mux_desc.set = tcphy_typec_mux_set; -- 2.49.0