From: "Rob Herring (Arm)" <robh@kernel.org>
To: Sebastian Reichel <sebastian.reichel@collabora.com>
Cc: Yubing Zhang <yubing.zhang@rock-chips.com>,
Heiko Stuebner <heiko@sntech.de>,
linux-arm-kernel@lists.infradead.org,
Neil Armstrong <neil.armstrong@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Alexey Charkov <alchark@gmail.com>,
linux-phy@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
Andy Yan <andy.yan@rock-chips.com>,
kernel@collabora.com, Krzysztof Kozlowski <krzk+dt@kernel.org>,
devicetree@vger.kernel.org,
Frank Wang <frank.wang@rock-chips.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Vinod Koul <vkoul@kernel.org>
Subject: Re: [PATCH v3 01/12] dt-bindings: phy: rockchip-usbdp: add improved ports scheme
Date: Mon, 23 Mar 2026 15:00:37 -0500 [thread overview]
Message-ID: <177429603690.1305360.6710008166136949728.robh@kernel.org> (raw)
In-Reply-To: <20260313-rockchip-usbdp-cleanup-v3-1-3e8fe89a35b5@collabora.com>
On Fri, 13 Mar 2026 18:57:10 +0100, Sebastian Reichel wrote:
> Currently the Rockchip USBDP PHY is missing a documented port scheme.
> Meanwhile upstream RK3588 DTS files are a bit messy and use different
> port schemes. The upstream USBDP PHY Linux kernel driver does not yet
> parse the ports at all and thus does not create any implicit ABI either.
>
> But with the current mess it is not possible to properly support USB-C
> DP AltMode. Thus this introduces a proper port scheme following roughly
> the ports design of the Qualcomm QMP USB4-USB3-DP PHY controller binding
> with a slight difference that there is an additional port for the
> USB-C SBU port as the Rockchip USB-DP PHY also contains the SBU mux.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> ---
> .../bindings/phy/phy-rockchip-usbdp.yaml | 23 ++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
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next prev parent reply other threads:[~2026-03-23 20:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-13 17:57 [PATCH v3 00/12] phy: rockchip: usbdp: Fixes, DP 1-lane support and cleanups Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 01/12] dt-bindings: phy: rockchip-usbdp: add improved ports scheme Sebastian Reichel
2026-03-23 20:00 ` Rob Herring (Arm) [this message]
2026-03-13 17:57 ` [PATCH v3 02/12] phy: rockchip: usbdp: Do not loose USB3 PHY status Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 03/12] phy: rockchip: usbdp: Keep clocks running on PHY re-init Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 04/12] phy: rockchip: usbdp: Amend SSC modulation deviation Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 05/12] phy: rockchip: usbdp: Fix LFPS detect threshold control Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 06/12] phy: rockchip: usbdp: Add missing mode_change update Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 07/12] phy: rockchip: usbdp: Support single-lane DP Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 08/12] phy: rockchip: usbdp: Rename DP lane functions Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 09/12] phy: rockchip: usbdp: Use FIELD_PREP_WM16_CONST Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 10/12] phy: rockchip: usbdp: Cleanup DP lane selection function Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 11/12] phy: rockchip: usbdp: Register DP aux bridge Sebastian Reichel
2026-03-13 17:57 ` [PATCH v3 12/12] phy: rockchip: usbdp: Drop DP HPD handling Sebastian Reichel
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