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From: Yixun Lan <dlan@kernel.org>
To: Hung-Chun Tseng <alan.tseng.cs@gmail.com>
Cc: Marek Vasut <marek.vasut+usb@mailbox.org>,
	Tom Rini <trini@konsulko.com>, Huan Zhou <pericycle.cc@gmail.com>,
	Eric Chung <eric.chung@riscstar.com>,
	Alexey Charkov <alchark@flipper.net>,
	Guodong Xu <docular.xu@gmail.com>,
	Raymond Mao <raymond.mao@riscstar.com>,
	Zixian Zeng <sycamoremoon376@gmail.com>,
	u-boot-spacemit@groups.io, u-boot@lists.u-boot-project.org
Subject: Re: [PATCH v2 0/2] usb: onboard-hub: VL817 support for SpacemiT K1 boards
Date: Fri, 13 Nov 2026 06:07:08 +0000	[thread overview]
Message-ID: <20261113060708-GKB62271@kernel.org> (raw)
In-Reply-To: <20261113031613.435429-1-alan.tseng.cs@gmail.com>

Hi Hung-Chun,

On 11:16 Fri 13 Nov     , Hung-Chun Tseng wrote:
> The Milk-V Jupiter and the Banana Pi BPI-F3 put a VIA Labs VL817 hub in
> front of all their USB ports. Its supply and reset are GPIOs, so
> `usb start` only finds the root hub until someone powers the hub by
> hand.
> 
> This adds the VL817 to the onboard hub driver and enables it for K1.
> 
> Tested on a Milk-V Jupiter, cold boot from SD: `usb start` finds both
> VL817 hubs and a USB 3 stick at 5 Gb/s, with no manual GPIO setup.
> That test capped DRAM at 4 GiB to avoid the K1 DRAM sizing bug, which
> is now fixed in main by commit e6308cc14 ("spacemit: k1: drop the CS1
> DRAM map on single-rank boards").
> 
> Changes in v2:
> - Rebased on main.
> - Added Zixian's Tested-by to 1/2.
> 
> v1: <20261026092432.769146-1-alan.tseng.cs@gmail.com>
> 
> Hung-Chun Tseng (2):
>   usb: onboard-hub: Add support for VIA Labs VL817
>   configs: spacemit_k1: Enable onboard USB hub support
> 
>  common/usb_onboard_hub.c      | 14 +++++++++++++-
>  configs/spacemit_k1_defconfig |  1 +
>  2 files changed, 14 insertions(+), 1 deletion(-)

The series looks good, with
Reviewed-by: Yixun Lan <dlan@kernel.org>

-- 
Yixun Lan (dlan)

      parent reply	other threads:[~2026-11-13  6:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-13  3:16 [PATCH v2 0/2] usb: onboard-hub: VL817 support for SpacemiT K1 boards Hung-Chun Tseng
2026-11-13  3:16 ` [PATCH v2 1/2] usb: onboard-hub: Add support for VIA Labs VL817 Hung-Chun Tseng
2026-11-13  3:45   ` Marek Vasut
2026-11-13  6:15   ` Yixun Lan
2026-11-13  3:16 ` [PATCH v2 2/2] configs: spacemit_k1: Enable onboard USB hub support Hung-Chun Tseng
2026-11-13  6:07 ` Yixun Lan [this message]

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