From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgeu2.qq.com (smtpbgeu2.qq.com [18.194.254.142]) (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 2C1852D2494; Wed, 29 Oct 2025 07:15:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.194.254.142 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761722122; cv=none; b=fIkD0RqsVc3hJAdUXBBGDOqajEp5iKy6puwMq9UHDJPP0L1yJrol7cN7VXg1CA8VTZzrNOeT25dMJDmTAms8JDb4glCFKPvBlUn9FvVg65zk6k7Hl+9n7bMeX4yU2SQX/62pHtrst0aUxdi6J0Mc4Fp23lcYOXVyJ018k2MwENY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761722122; c=relaxed/simple; bh=HysgThJSB58INGyifNQGXbmX0lFauL5Bf5bQD741kwA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=XLEZao4KubU1W3rEQhk2G8nbsX0n5EcBc6JU0wEkfIkhLRCbt/3+VTuAL8Ztq9ledn8dclwh5+yIJJqfIXHae9nu0HSw/a83afMRvCEEbXJGCE4o7hl9BoUhCAjS0k04yVnLU8gSZL3gV2v2+VYNKIRsZJSs0OqiwQFDQBs2+Yo= 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=Gr8HAweY; arc=none smtp.client-ip=18.194.254.142 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="Gr8HAweY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1761722114; bh=AFQcoHE/dlPx/r75ImuKZ7C8fGQ0d+TgBuYEF1fP98Q=; h=From:To:Subject:Date:Message-Id; b=Gr8HAweYSh+7YYl+B/CP+gHINHBZ5w7tjx2VK81UgqhPmkjsmmsNBUUwgdeOU34eg J10lNUyPlCbarh2EL9dsz4dKAYrTT5JIbeXTP80CkjqwdKhV37YCcYPcdReMRt0sB4 0cJTQRF1K2/uc+qZdPpkrhd4seSnNdK84mfsSlCc= 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: M7n9VusxZAlPpcFABy826l+dX5bFLJ2tIZv7iVoCvBAJ1p3Fgwi3uIxx im4SByYEFRLLPluWSL/QlOMIgXT/5ljbYud9zrvxMMTd1rpAdk4Wm8IOricFdz5rEfLcZa8 U6LcFsCcG/Xp+6D+AKMP0Gst6rDyWTs96zYRpSjrX4mkJ+v9RV5kR4hdm5BZwv/6MQZ+1TW RtLxuSMT3LK1up6jVBK6on+QYHTiD9zchZoV+F+VlFuqDDQA8/c3I8Lp3Fn1pP95UJN92nL FpCFGsJkR2NwW/TpP2Woz8fg+CToYOLkTYVBep6M3ncbwRKAJGbhieuCGOITRbOTmV1woXi 78YqCUNcsz20uF2dS+Sk9NEgOb7eNjBfhMBtKr1jCURGlwZw6KykhZLzjuTUe6aseG0HrsY mg5zEZWxjA+0yx+GDEvJtikncFq0T1lPh7P7bdOvEwhDWxkLlaOJaUlS6N5/X2LdP93icO8 87fBqu3xhVVRkR6ez0gvix14X9um4OJhSaR5xaqMKIdu0vJ8ty5EYyikCVK69G5DaOEOZNb /9bWI7rHosOhW/PHa38AJoPyL2MHy3UP8yxP3MgGwmSFBpi6cvHZdXx0FpDogOGaDzwc+wS 4K4WlxSdWIEjAJ6N3uM/+zQ+kv8K88OgjE4+gGZrEZt+DZaC4NFi2FcUJOinVQORRwSe09v RM+G5Yr0Bv5jA1k4dYhJ8g9yjQxFhYIiNVifFlc6lEt9lb2OPPegk5QS/RLbpboSV/Gd0HA jwMb5USDMXPmg9J4iMV8daZVsayS1zBgUvOqAc0/pNpy5/8SS49LACmJHOyCwqdOO0ZFsZO PqHsX6teCPcRK1yg3vaIQeotTTO8o4GDPq2Gt4bEz6BaZgYwGrGYf729ndr9bYU/pBTyDsn AI+pLzQkJmuoHqNwvgT2VPna+WOAxxwlsY/YOmm5jvQF2XWkx2bc2xaJbQwzKnxfPlUQMUp E6xbajQPIcYM7g0ThTM2DdrM2oToCXBT/SfNgkNRRZlTZ8Ak/ITfhWx1yOtISf61fsIDVQq 7KkafDJkG0WJwyOGc3n0HrwJf7iG795ZOZpecQpQ== X-QQ-XMRINFO: MPJ6Tf5t3I/ycC2BItcBVIA= 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; -- 2.49.0