From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbg154.qq.com (smtpbg154.qq.com [15.184.224.54]) (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 BE4771F09A3; Sat, 11 Oct 2025 03:33:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=15.184.224.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760153629; cv=none; b=LW2yc37Dx0QuN+t9Gd7NAtPOlzac7HVKFnxVgGutan8VYZvxmsdozEmeD3MVSE3+F1nhXSH7LmhaIsq+8olu6LpJhmu2ccdnJfltmJsOWCNqvkLrkb10zywru6CK8UeoEzuYo407kcIa2ThAc/XWNe2d8v5S3vKK80e+gLhcTjM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760153629; c=relaxed/simple; bh=BLOArQMb5h21uuWzsT5Q5Cv67c99nGmGeZO3KWSsi6Y=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=kUCAxk7NMlcqXTXdImuMLWSO/L08jyE3A734yf3QzCz+5NHC2nNq0YJiaJEouJ5X0pXz2406mVyPz8I6v41DTTwGIbH6KYB+cRH8AonxwbJbF5gzk9H6sVzFzkYANJWOE89WTzXFzoot2p1JqTEgni1tV1YCFQ42da9AbIMuk80= 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=ZXOUrBAY; arc=none smtp.client-ip=15.184.224.54 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="ZXOUrBAY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1760153578; bh=wwgcFk1rqH+p7dv0YhigDs5nbBu8CmNY3pNEURrA3U4=; h=From:To:Subject:Date:Message-Id; b=ZXOUrBAYeKL/wI3nrvhpOyFIcldRUbURuP9ta0rgrrLYSK9yVysB7ojFABsOWahE+ 3x7DF2Ex8jR/ZsxyyV31hxdB6Nt79KJemdwbfgr2mHtQcN/05Gp21HA07g5HOOQp/f ghaiJUvHlgGkLGfR27kBwB3Y9z3PFSdUkr+tbxB8= X-QQ-mid: zesmtpgz4t1760153576t79eb2061 X-QQ-Originating-IP: MsjTdjXOtbpLDUqFopOqkAaQaYefGgccpSyNy4463zQ= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Sat, 11 Oct 2025 11:32:54 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 12447018638261968175 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 v5 4/8] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge Date: Sat, 11 Oct 2025 11:32:29 +0800 Message-Id: <20251011033233.97-5-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251011033233.97-1-kernel@airkyi.com> References: <20251011033233.97-1-kernel@airkyi.com> X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:airkyi.com:qybglogicsvrsz:qybglogicsvrsz4a-0 X-QQ-XMAILINFO: M5r28j6evhA1DjNe5xof7fEpzgBH7+YwXBpQsupV/KdjDlWywX6w3rR2 l3p6o/RqLtji8wKAk+T9FKj40Dj89sq1rgoWzG+JvGuVv94TO4JtCBs5ERpSMAul/6NIbp4 kd1UzYmOq71HMeD3vtwluW4b7guNoE7ICHFy2RfVMgKfYt3FcGfesxcErwCiqPM1HYsMdEc IFgvWoSUVgTczLvJnZPJ/rSPdwquHEskJ7dqeavGSdKfLclZykzKYH0sOc7vY5H2fV6uG5V 3fDkMGdKkuTfWZqRjhTAWroFQGrJFqENgJbICi+hXWE4xtHVrPJcFkXoE1tihlqT4ohE3m/ 5+k7MJ0bGjty9WqlpqHvqaZ32lKMAl/KQrVczVyryLTEQXVn4qmmCb+EpKVI2Nx0+df+S87 3yG61ghBPs2ImDwnTgFobTYbF7qbQaggXqm7Djnsp0YWdk6qdDtxsjFFBvCGJe6otcyQhbZ W27EhFf/nrYSzW2ktqgAYl7REP9f2QC7eb/W8z/O19e5OQuR2UQSuHBPsfMqQQPbx67hXiF gGJ9CgF2UaKW4tza/+ZWxc67ksPAl/vEsn2Wmd0HHYIHJr9MckFasPjM2XXNV4ljz0Bdfp5 UsGMGYKivO+PVhf9khhLpNeM+e1fQ4+LmkWAimhIU4KdvfdWRYlgfgBs9+WS97c0LxQYsyx CW1oIMhIJh+KndFdZhWi/1PCjVTl/E1FH6kPbz7WY22qLaxBCsIxAwDB9lIb0b99OcTJDNZ UBYfZkZ7LK+E80nNBEtHtE1f7Mv6qCqMaOK7vCET/ldM7uVyGY6HxLR7Q5lDkcn4C6/ddX7 DrsIGhu/T1Uw/h+smsnuq5M9KXQR19Nh4c0zk3tsq/6PNOWpS55/7sK0wLd6i1O9NPKQcVP m8HvBmdVX3usTNA25puY2TEc4Xshjx8ltLqsIu8n+zYbGojb+kbOVzQz9WGhiAeidB+ekxw NBKm7wsD9099oiDlJlFP+uAwuwbRqE6Z9JV+Fo301DJmpGCyj79rkK99x721TD2GkaP4+iC V68fCLDgfOh+kVZLG1nkD24BOE0g0= 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 --- drivers/phy/rockchip/phy-rockchip-typec.c | 52 +++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c index 4a1dfa8d65c7..8003a41de5c6 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; @@ -1296,6 +1299,51 @@ 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 = {}; @@ -1309,6 +1357,10 @@ 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