Re: [PATCH v3 0/8] Add SpacemiT K1 USB2.0 controllers support

From: Yixun Lan <dlan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Junzhong Pan <panjunzhong@linux.spacemit.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Xu Yang <xu.yang_2@nxp.com>,
	Peng Fan <peng.fan@nxp.com>, Peter Chen <peter.chen@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev,
	Conor Dooley <conor.dooley@microchip.com>,
	Ze Huang <huang.ze@linux.dev>,
	Troy Mitchell <troy.mitchell@linux.spacemit.com>
Subject: Re: [PATCH v3 0/8] Add SpacemiT K1 USB2.0 controllers support
Date: Mon, 28 Sep 2026 23:03:10 +0000	[thread overview]
Message-ID: <20260928230310-GKB2079@kernel.org> (raw)
In-Reply-To: <20260927-b4-spacemit-k1-usb2-v3-0-ce7095896039@linux.spacemit.com>

Hi Greg,

On 19:40 Sun 27 Sep     , Junzhong Pan wrote:
> The SpacemiT K1 SoC has two USB2.0 controllers, one has Dual-Role
> support, but the hardware has no internal OTG registers, the other is
> Host only. These controllers are compatible with Chipidea USB2 driver
> with some flags set and reset control support.
> 
> This series is based on 7.3-rc1 and has been tested on Banana Pi F3
> development board.
> 
> A self-powered USB device/hub is needed to test the host function of the
> dual-role controller on Banana Pi F3, a MINI-PCIe USB2.0 module (a
> cellular module e.g.) is needed to test the host only controller.
> 
> ---
> Changes in v3:
> - collect tags
> - merge the two dt-binding commits
> - use local variables when acquiring devm managed clock/reset
> - drop manual clk_disable_unprepare() from the remove path
> - enable related drivers as modules in defconfig
> - Link to v2: https://lore.kernel.org/r/20260908-b4-spacemit-k1-usb2-v2-0-f07342ffa051@linux.spacemit.com
> 
> Signed-off-by: Junzhong Pan <panjunzhong@linux.spacemit.com>
> 

> ---
> Junzhong Pan (8):
>       dt-bindings: usb: ci-hdrc-usb2: add spacemit,k1-usb2 compatible
>       usb: chipidea: usb2: use devm_clk_get_optional_enabled()
>       usb: chipidea: usb2: add optional reset support
>       usb: chipidea: usb2: add SpacemiT K1 support
>       riscv: dts: spacemit: add USB2.0 controller nodes for K1
>       riscv: dts: spacemit: enable USB2.0 controllers on BananaPi F3
>       riscv: dts: spacemit: enable USB2.0 controllers on OrangePi RV2
>       riscv: defconfig: enable ChipIdea USB controller support
> 
Any chance to queue these patches (1-4) for v7.4 cycle? Hope it not too late,
and then I will handle the rest part, thanks

-- 
Yixun Lan (dlan)