From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgbr1.qq.com (smtpbgbr1.qq.com [54.207.19.206]) (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 A7CFA3570C5; Tue, 11 Nov 2025 10:51:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.207.19.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762858289; cv=none; b=kB/p54PGsdpjU7E9p2bM7A0qrXfavsfvYvtUs6l0cOkcX9cJMZ4/o23iwHssxT9ZmCsNQ3MSm5JndBFj+42WYB725AU4GwfpLxlKVRPQFbAeS26OkgdKLYqzm0t88t94Wql1fQ/VyeZnTmaShzSc4y6S5uTzZrb9bYvrAzadHcg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762858289; c=relaxed/simple; bh=uqVYgDBkwXN4jdCDwZamrH9tKaVRuOOIwGDr1iagL6Q=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=IDhls8OvblrWb+rdh1smWAUj+sC5I/fLrkPLAD0Ei02aJc+E6ggtufhEFLlDezrwQrlLVAASlLNo0CRz8v3VDBQW+8GFDx4O9TPgk5boUo1aMbHW64f2LJ2c/GO4U/k0tDnVhDkeELVyFpnzSI18BQlkTnp7Msw/qEQoCQn5JGE= 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=uC+yPWnK; arc=none smtp.client-ip=54.207.19.206 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="uC+yPWnK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1762858279; bh=OWq3Ijzm5puFxMiJhAvdmtx+0UY8U1fFY3/NshKxkPE=; h=From:To:Subject:Date:Message-Id; b=uC+yPWnKZW9+rbYbU3ipHGh/Njq7O/ScwKSkab5yta1/IMzIVq/O8Uw/mVvqyo1dq Pzn2t2/YV93iTYnkGCelJeC4+W74SU1VcM990uiZTV+Qy63mcyFlmp82RmGlu8dshB WT0hXgvMGFwtqVskJV6HhkX/HKl5EhdY6FruLc2Y= X-QQ-mid: zesmtpsz9t1762858274t6e3b4120 X-QQ-Originating-IP: 1slQcncYtee985S5MZrVUhNCU3D2mTKl7D9nmZmqz0Q= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 11 Nov 2025 18:51:11 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 7739212322103543834 From: Chaoyi Chen To: Heikki Krogerus , Greg Kroah-Hartman , Dmitry Baryshkov , Peter Chen , 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 v9 06/10] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge Date: Tue, 11 Nov 2025 18:50:36 +0800 Message-Id: <20251111105040.94-7-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251111105040.94-1-kernel@airkyi.com> References: <20251111105040.94-1-kernel@airkyi.com> X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:airkyi.com:qybglogicsvrgz:qybglogicsvrgz6b-0 X-QQ-XMAILINFO: N2xbKkhNGEXwG8tJCForXeMJ7E026c7rxK2mw8Lu3H8pBPgrW9SamnnM AkDfWtJkIl0aWDqIj7pNIzrOA4AxJPSqboQ4KY6YihT9fZ9Y3wYTQ6E6Cz+0RBaSkSh3MHw cVa6nhi+Xjr3/1WmCNqh0CAn8pahCZpU+kOluBPvn7gmlrcvXdZtTnwHu7Fy+m9ezqirV/x VpvgmZwzt8iltPvW8Jsg7xNiseye5PgQYLGvEsJbSt4K1XQSUq2LGZDr8ZwoeI/SN/sgJia prBKpGoSqquI+sFkofmMj+1Tcpzg/4zv7noQlpfucqJEi+Bo/dmKtwqgSsDeMAsMDcV2BR0 QxGdLGFphdPzQAu5c39Sv4NbN16f+6/t7EFvL5gMlklldBxeVcMKf2n8Pnm3ZsPlTuCtC3U r1kES/sbqNkVJ5YuXBDiOWNOwgu7Prelnc5Yq3T76UOBtnPvUcjiBS/azp2Gyio8vd+MYk2 KozXZQ8iZ7xQmknizCw04+weWDKJEfsnza88+Q9uK3zDfJG2iuvKhn93Xdo2gBa4EiEQZtg XIumDA0KdVVMBqbVqW4JtTePFlgrbb46eAxWpNJ28UMkXVILUvuj3boYQj7K7NcQLtRAnmS eRpFjsaojbLoFkiH61lUJDiqtnfWNZ9DhuNrkfV4Xazq8HKVXANaL3aQFiN/vHBUXMd3HWD XMCX6lBHE8t0CiZLlZGgTIOEZ0TiG5v9/QLTUVI+ALxoZSt5EQNzv7aG4kS2W4Wv51bPuQk cEJg4UyzJwA1x3q+7fdvABMgFWxHnm3KRC5QttdtcEEMZzgBMj6Z96TidyYOqTwqe0s4plD Ta47WGLmVBOtUc7XMtKU5ZAGp8ZfNrz1jvu89OteGhKGZ6m+MC3LcyYpWRsRjrmTs9twOEb Ydp/jUCH0ZtFQ26pCwiEvv7r1OeiFWrrOi9y9wmMlsovFKawKm9ZmgyPssWcXZjaxJnEgB6 ESiuqD8MjlFkVCEH3SwI5lUiIEtWVhBxbkaUinz572yA/RZhKYozvmw/bhicUD0IL9ipVrM 1YH0u+KOM46+BffQS6Kt5hwDl1puUA1SacAeR7dL+SKUKWk9Rt X-QQ-XMRINFO: NyFYKkN4Ny6FSmKK/uo/jdU= 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 --- (no changes since v7) 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; -- 2.51.1