From: Chaoyi Chen <kernel@airkyi•com>
To: Heikki Krogerus <heikki.krogerus@linux•intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation•org>,
Dmitry Baryshkov <dmitry.baryshkov@oss•qualcomm.com>,
Peter Chen <hzpeterchen@gmail•com>,
Luca Ceresoli <luca.ceresoli@bootlin•com>,
Rob Herring <robh@kernel•org>,
Krzysztof Kozlowski <krzk+dt@kernel•org>,
Conor Dooley <conor+dt@kernel•org>, Vinod Koul <vkoul@kernel•org>,
Kishon Vijay Abraham I <kishon@kernel•org>,
Heiko Stuebner <heiko@sntech•de>,
Sandy Huang <hjc@rock-chips•com>,
Andy Yan <andy.yan@rock-chips•com>,
Yubing Zhang <yubing.zhang@rock-chips•com>,
Frank Wang <frank.wang@rock-chips•com>,
Andrzej Hajda <andrzej.hajda@intel•com>,
Neil Armstrong <neil.armstrong@linaro•org>,
Robert Foss <rfoss@kernel•org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard•com>,
Jonas Karlman <jonas@kwiboo•se>,
Jernej Skrabec <jernej.skrabec@gmail•com>,
Maarten Lankhorst <maarten.lankhorst@linux•intel.com>,
Maxime Ripard <mripard@kernel•org>,
Thomas Zimmermann <tzimmermann@suse•de>,
David Airlie <airlied@gmail•com>, Simona Vetter <simona@ffwll•ch>,
Amit Sunil Dhamne <amitsd@google•com>,
Dragan Simic <dsimic@manjaro•org>,
Johan Jonker <jbx6244@gmail•com>,
Diederik de Haas <didi.debian@cknow•org>,
Peter Robinson <pbrobinson@gmail•com>,
Hugh Cole-Baker <sigmaris@gmail•com>
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,
Chaoyi Chen <chaoyi.chen@rock-chips•com>
Subject: [PATCH v15 5/9] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge
Date: Wed, 4 Mar 2026 17:41:48 +0800 [thread overview]
Message-ID: <20260304094152.92-6-kernel@airkyi.com> (raw)
In-Reply-To: <20260304094152.92-1-kernel@airkyi.com>
From: Chaoyi Chen <chaoyi.chen@rock-chips•com>
Using the DRM_AUX_BRIDGE helper to create the transparent DRM bridge
device.
Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips•com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro•org>
---
(no changes since v11)
Changes in v10:
- Use drm_aux_bridge_register_from_node() instead.
(no changes since v7)
Changes in v6:
- Fix depend in Kconfig.
---
drivers/phy/rockchip/Kconfig | 2 ++
drivers/phy/rockchip/phy-rockchip-typec.c | 5 +++++
2 files changed, 7 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..e31b778c3537 100644
--- a/drivers/phy/rockchip/phy-rockchip-typec.c
+++ b/drivers/phy/rockchip/phy-rockchip-typec.c
@@ -56,6 +56,7 @@
#include <linux/phy/phy.h>
#include <linux/usb/typec_dp.h>
#include <linux/usb/typec_mux.h>
+#include <drm/bridge/aux-bridge.h>
#define CMN_SSM_BANDGAP (0x21 << 2)
#define CMN_SSM_BIAS (0x22 << 2)
@@ -1312,6 +1313,10 @@ static int tcphy_setup_typec_mux(struct rockchip_typec_phy *tcphy)
if (!of_property_read_bool(np, "mode-switch"))
goto put_np;
+ ret = drm_aux_bridge_register_from_node(tcphy->dev, 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
next prev parent reply other threads:[~2026-03-04 9:44 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-04 9:41 [PATCH v15 0/9] Add Type-C DP support for RK3399 EVB IND board Chaoyi Chen
2026-03-04 9:41 ` [PATCH v15 1/9] drm/bridge: Implement generic USB Type-C DP HPD bridge Chaoyi Chen
2026-05-28 15:37 ` Nicolas Frattaroli
2026-05-29 1:18 ` Chaoyi Chen
2026-03-04 9:41 ` [PATCH v15 2/9] drm/bridge: aux: Add drm_aux_bridge_register_from_node() Chaoyi Chen
2026-05-28 15:46 ` Nicolas Frattaroli
2026-03-04 9:41 ` [PATCH v15 3/9] dt-bindings: phy: rockchip: rk3399-typec-phy: Support mode-switch Chaoyi Chen
2026-03-04 9:41 ` [PATCH v15 4/9] phy: rockchip: phy-rockchip-typec: Add typec_mux/typec_switch support Chaoyi Chen
2026-05-28 20:16 ` Nicolas Frattaroli
2026-05-29 8:13 ` Chaoyi Chen
2026-03-04 9:41 ` Chaoyi Chen [this message]
2026-03-04 9:41 ` [PATCH v15 6/9] drm/rockchip: cdn-dp: Support handle lane info without extcon Chaoyi Chen
2026-05-20 11:10 ` Heiko Stuebner
2026-03-04 9:41 ` [PATCH v15 7/9] drm/rockchip: cdn-dp: Add multiple bridges to support PHY port selection Chaoyi Chen
2026-05-20 11:12 ` Heiko Stuebner
2026-03-04 9:41 ` [PATCH v15 8/9] arm64: dts: rockchip: Add missing dp_out port for RK3399 CDN-DP Chaoyi Chen
2026-03-04 9:41 ` [PATCH v15 9/9] arm64: dts: rockchip: rk3399-evb-ind: Add support for DisplayPort Chaoyi Chen
2026-05-20 11:06 ` Heiko Stuebner
2026-05-19 13:43 ` [PATCH v15 0/9] Add Type-C DP support for RK3399 EVB IND board Heikki Krogerus
2026-05-20 1:13 ` Chaoyi Chen
2026-05-20 11:03 ` Heiko Stuebner
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