From: Troy Mitchell <troy.mitchell@linux.spacemit.com>
To: Ze Huang <huang.ze@linux.dev>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@gentoo.org>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Philipp Zabel <p.zabel@pengutronix.de>
Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-riscv@lists.infradead.org, spacemit@lists.linux.dev,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
Troy Mitchell <troy.mitchell@linux.spacemit.com>
Subject: Re: [PATCH v8 0/2] Add SpacemiT K1 USB3.0 host controller support
Date: Mon, 13 Oct 2025 17:38:05 +0800 [thread overview]
Message-ID: <AB4F40590DDC4024+aOzIfRgZZpZc3HeH@kernel.org> (raw)
In-Reply-To: <20250913-dwc3_generic-v8-0-b50f81f05f95@linux.dev>
On Sat, Sep 13, 2025 at 12:53:46AM +0800, Ze Huang wrote:
> The USB 3.0 controller found in the SpacemiT K1 SoC[1] supports both USB3.0
> Host and USB2.0 Dual-Role Device (DRD).
>
> This controller is compatible with DesignWare Core USB 3 (DWC3) driver.
> However, constraints in the `snps,dwc3` bindings limit the ability to describe
> hardware-specific features in a clean and maintainable way. While
> `dwc3-of-simple` still serves as a glue layer for many platforms, it requires a
> split device tree node structure, which is less desirable in newer platforms.
>
> To promote a transition toward a flattened `dwc` node structure, this series
> introduces `dwc3-generic-plat`, building upon prior efforts that exposed the
> DWC3 core driver [2].
>
> The device tree support for SpacemiT K1 will be submitted separately when the
> associated PHY driver is ready.
>
> This series is based on 6.17-rc1 and has been tested on BananaPi development
> boards.
>
> Link: https://developer.spacemit.com/documentation?token=AjHDwrW78igAAEkiHracBI9HnTb [1]
> Link: https://lore.kernel.org/all/20250414-dwc3-refactor-v7-3-f015b358722d@oss.qualcomm.com [2]
>
> Signed-off-by: Ze Huang <huang.ze@linux.dev>
> ---
Tested-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Thanks,
Troy
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prev parent reply other threads:[~2025-10-13 9:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-12 16:53 [PATCH v8 0/2] Add SpacemiT K1 USB3.0 host controller support Ze Huang
2025-09-12 16:53 ` [PATCH v8 1/2] dt-bindings: usb: dwc3: add support for SpacemiT K1 Ze Huang
2025-09-12 16:53 ` [PATCH v8 2/2] usb: dwc3: add generic driver to support flattened Ze Huang
2025-10-13 9:38 ` Troy Mitchell [this message]
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